symbian-qemu-0.9.1-12/python-win32-2.6.1/lib/test/decimaltestdata/add.decTest
changeset 1 2fb8b9db1c86
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0:ffa851df0825 1:2fb8b9db1c86
       
     1 ------/cancell----------------------------------------------------------
       
     2 -- add.decTest -- decimal addition                                    --
       
     3 -- Copyright (c) IBM Corporation, 1981, 2008.  All rights reserved.   --
       
     4 ------------------------------------------------------------------------
       
     5 -- Please see the document "General Decimal Arithmetic Testcases"     --
       
     6 -- at http://www2.hursley.ibm.com/decimal for the description of      --
       
     7 -- these testcases.                                                   --
       
     8 --                                                                    --
       
     9 -- These testcases are experimental ('beta' versions), and they       --
       
    10 -- may contain errors.  They are offered on an as-is basis.  In       --
       
    11 -- particular, achieving the same results as the tests here is not    --
       
    12 -- a guarantee that an implementation complies with any Standard      --
       
    13 -- or specification.  The tests are not exhaustive.                   --
       
    14 --                                                                    --
       
    15 -- Please send comments, suggestions, and corrections to the author:  --
       
    16 --   Mike Cowlishaw, IBM Fellow                                       --
       
    17 --   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --
       
    18 --   mfc@uk.ibm.com                                                   --
       
    19 ------------------------------------------------------------------------
       
    20 version: 2.58
       
    21 
       
    22 precision:   9
       
    23 rounding:    half_up
       
    24 maxExponent: 384
       
    25 minexponent: -383
       
    26 extended:    1
       
    27 
       
    28 -- [first group are 'quick confidence check']
       
    29 addx001 add 1       1       ->  2
       
    30 addx002 add 2       3       ->  5
       
    31 addx003 add '5.75'  '3.3'   ->  9.05
       
    32 addx004 add '5'     '-3'    ->  2
       
    33 addx005 add '-5'    '-3'    ->  -8
       
    34 addx006 add '-7'    '2.5'   ->  -4.5
       
    35 addx007 add '0.7'   '0.3'   ->  1.0
       
    36 addx008 add '1.25'  '1.25'  ->  2.50
       
    37 addx009 add '1.23456789'  '1.00000000' -> '2.23456789'
       
    38 addx010 add '1.23456789'  '1.00000011' -> '2.23456800'
       
    39 
       
    40 addx011 add '0.4444444444'  '0.5555555555' -> '1.00000000' Inexact Rounded
       
    41 addx012 add '0.4444444440'  '0.5555555555' -> '1.00000000' Inexact Rounded
       
    42 addx013 add '0.4444444444'  '0.5555555550' -> '0.999999999' Inexact Rounded
       
    43 addx014 add '0.44444444449'    '0' -> '0.444444444' Inexact Rounded
       
    44 addx015 add '0.444444444499'   '0' -> '0.444444444' Inexact Rounded
       
    45 addx016 add '0.4444444444999'  '0' -> '0.444444444' Inexact Rounded
       
    46 addx017 add '0.4444444445000'  '0' -> '0.444444445' Inexact Rounded
       
    47 addx018 add '0.4444444445001'  '0' -> '0.444444445' Inexact Rounded
       
    48 addx019 add '0.444444444501'   '0' -> '0.444444445' Inexact Rounded
       
    49 addx020 add '0.44444444451'    '0' -> '0.444444445' Inexact Rounded
       
    50 
       
    51 addx021 add 0 1 -> 1
       
    52 addx022 add 1 1 -> 2
       
    53 addx023 add 2 1 -> 3
       
    54 addx024 add 3 1 -> 4
       
    55 addx025 add 4 1 -> 5
       
    56 addx026 add 5 1 -> 6
       
    57 addx027 add 6 1 -> 7
       
    58 addx028 add 7 1 -> 8
       
    59 addx029 add 8 1 -> 9
       
    60 addx030 add 9 1 -> 10
       
    61 
       
    62 -- some carrying effects
       
    63 addx031 add '0.9998'  '0.0000' -> '0.9998'
       
    64 addx032 add '0.9998'  '0.0001' -> '0.9999'
       
    65 addx033 add '0.9998'  '0.0002' -> '1.0000'
       
    66 addx034 add '0.9998'  '0.0003' -> '1.0001'
       
    67 
       
    68 addx035 add '70'  '10000e+9' -> '1.00000000E+13' Inexact Rounded
       
    69 addx036 add '700'  '10000e+9' -> '1.00000000E+13' Inexact Rounded
       
    70 addx037 add '7000'  '10000e+9' -> '1.00000000E+13' Inexact Rounded
       
    71 addx038 add '70000'  '10000e+9' -> '1.00000001E+13' Inexact Rounded
       
    72 addx039 add '700000'  '10000e+9' -> '1.00000007E+13' Rounded
       
    73 
       
    74 -- symmetry:
       
    75 addx040 add '10000e+9'  '70' -> '1.00000000E+13' Inexact Rounded
       
    76 addx041 add '10000e+9'  '700' -> '1.00000000E+13' Inexact Rounded
       
    77 addx042 add '10000e+9'  '7000' -> '1.00000000E+13' Inexact Rounded
       
    78 addx044 add '10000e+9'  '70000' -> '1.00000001E+13' Inexact Rounded
       
    79 addx045 add '10000e+9'  '700000' -> '1.00000007E+13' Rounded
       
    80 
       
    81 -- same, higher precision
       
    82 precision: 15
       
    83 addx046 add '10000e+9'  '7' -> '10000000000007'
       
    84 addx047 add '10000e+9'  '70' -> '10000000000070'
       
    85 addx048 add '10000e+9'  '700' -> '10000000000700'
       
    86 addx049 add '10000e+9'  '7000' -> '10000000007000'
       
    87 addx050 add '10000e+9'  '70000' -> '10000000070000'
       
    88 addx051 add '10000e+9'  '700000' -> '10000000700000'
       
    89 addx052 add '10000e+9'  '7000000' -> '10000007000000'
       
    90 
       
    91 -- examples from decarith
       
    92 addx053 add '12' '7.00' -> '19.00'
       
    93 addx054 add '1.3' '-1.07' -> '0.23'
       
    94 addx055 add '1.3' '-1.30' -> '0.00'
       
    95 addx056 add '1.3' '-2.07' -> '-0.77'
       
    96 addx057 add '1E+2' '1E+4' -> '1.01E+4'
       
    97 
       
    98 -- zero preservation
       
    99 precision: 6
       
   100 addx060 add '10000e+9'  '70000' -> '1.00000E+13' Inexact Rounded
       
   101 addx061 add 1 '0.0001' -> '1.0001'
       
   102 addx062 add 1 '0.00001' -> '1.00001'
       
   103 addx063 add 1 '0.000001' -> '1.00000' Inexact Rounded
       
   104 addx064 add 1 '0.0000001' -> '1.00000' Inexact Rounded
       
   105 addx065 add 1 '0.00000001' -> '1.00000' Inexact Rounded
       
   106 
       
   107 -- some funny zeros [in case of bad signum]
       
   108 addx070 add 1  0    -> 1
       
   109 addx071 add 1 0.    -> 1
       
   110 addx072 add 1  .0   -> 1.0
       
   111 addx073 add 1 0.0   -> 1.0
       
   112 addx074 add 1 0.00  -> 1.00
       
   113 addx075 add  0  1   -> 1
       
   114 addx076 add 0.  1   -> 1
       
   115 addx077 add  .0 1   -> 1.0
       
   116 addx078 add 0.0 1   -> 1.0
       
   117 addx079 add 0.00 1  -> 1.00
       
   118 
       
   119 precision: 9
       
   120 
       
   121 -- some carries
       
   122 addx080 add 999999998 1  -> 999999999
       
   123 addx081 add 999999999 1  -> 1.00000000E+9 Rounded
       
   124 addx082 add  99999999 1  -> 100000000
       
   125 addx083 add   9999999 1  -> 10000000
       
   126 addx084 add    999999 1  -> 1000000
       
   127 addx085 add     99999 1  -> 100000
       
   128 addx086 add      9999 1  -> 10000
       
   129 addx087 add       999 1  -> 1000
       
   130 addx088 add        99 1  -> 100
       
   131 addx089 add         9 1  -> 10
       
   132 
       
   133 
       
   134 -- more LHS swaps
       
   135 addx090 add '-56267E-10'   0 ->  '-0.0000056267'
       
   136 addx091 add '-56267E-6'    0 ->  '-0.056267'
       
   137 addx092 add '-56267E-5'    0 ->  '-0.56267'
       
   138 addx093 add '-56267E-4'    0 ->  '-5.6267'
       
   139 addx094 add '-56267E-3'    0 ->  '-56.267'
       
   140 addx095 add '-56267E-2'    0 ->  '-562.67'
       
   141 addx096 add '-56267E-1'    0 ->  '-5626.7'
       
   142 addx097 add '-56267E-0'    0 ->  '-56267'
       
   143 addx098 add '-5E-10'       0 ->  '-5E-10'
       
   144 addx099 add '-5E-7'        0 ->  '-5E-7'
       
   145 addx100 add '-5E-6'        0 ->  '-0.000005'
       
   146 addx101 add '-5E-5'        0 ->  '-0.00005'
       
   147 addx102 add '-5E-4'        0 ->  '-0.0005'
       
   148 addx103 add '-5E-1'        0 ->  '-0.5'
       
   149 addx104 add '-5E0'         0 ->  '-5'
       
   150 addx105 add '-5E1'         0 ->  '-50'
       
   151 addx106 add '-5E5'         0 ->  '-500000'
       
   152 addx107 add '-5E8'         0 ->  '-500000000'
       
   153 addx108 add '-5E9'         0 ->  '-5.00000000E+9'   Rounded
       
   154 addx109 add '-5E10'        0 ->  '-5.00000000E+10'  Rounded
       
   155 addx110 add '-5E11'        0 ->  '-5.00000000E+11'  Rounded
       
   156 addx111 add '-5E100'       0 ->  '-5.00000000E+100' Rounded
       
   157 
       
   158 -- more RHS swaps
       
   159 addx113 add 0  '-56267E-10' ->  '-0.0000056267'
       
   160 addx114 add 0  '-56267E-6'  ->  '-0.056267'
       
   161 addx116 add 0  '-56267E-5'  ->  '-0.56267'
       
   162 addx117 add 0  '-56267E-4'  ->  '-5.6267'
       
   163 addx119 add 0  '-56267E-3'  ->  '-56.267'
       
   164 addx120 add 0  '-56267E-2'  ->  '-562.67'
       
   165 addx121 add 0  '-56267E-1'  ->  '-5626.7'
       
   166 addx122 add 0  '-56267E-0'  ->  '-56267'
       
   167 addx123 add 0  '-5E-10'     ->  '-5E-10'
       
   168 addx124 add 0  '-5E-7'      ->  '-5E-7'
       
   169 addx125 add 0  '-5E-6'      ->  '-0.000005'
       
   170 addx126 add 0  '-5E-5'      ->  '-0.00005'
       
   171 addx127 add 0  '-5E-4'      ->  '-0.0005'
       
   172 addx128 add 0  '-5E-1'      ->  '-0.5'
       
   173 addx129 add 0  '-5E0'       ->  '-5'
       
   174 addx130 add 0  '-5E1'       ->  '-50'
       
   175 addx131 add 0  '-5E5'       ->  '-500000'
       
   176 addx132 add 0  '-5E8'       ->  '-500000000'
       
   177 addx133 add 0  '-5E9'       ->  '-5.00000000E+9'    Rounded
       
   178 addx134 add 0  '-5E10'      ->  '-5.00000000E+10'   Rounded
       
   179 addx135 add 0  '-5E11'      ->  '-5.00000000E+11'   Rounded
       
   180 addx136 add 0  '-5E100'     ->  '-5.00000000E+100'  Rounded
       
   181 
       
   182 -- related
       
   183 addx137 add  1  '0E-12'      ->  '1.00000000'  Rounded
       
   184 addx138 add -1  '0E-12'      ->  '-1.00000000' Rounded
       
   185 addx139 add '0E-12' 1        ->  '1.00000000'  Rounded
       
   186 addx140 add '0E-12' -1       ->  '-1.00000000' Rounded
       
   187 addx141 add 1E+4    0.0000   ->  '10000.0000'
       
   188 addx142 add 1E+4    0.00000  ->  '10000.0000'  Rounded
       
   189 addx143 add 0.000   1E+5     ->  '100000.000'
       
   190 addx144 add 0.0000  1E+5     ->  '100000.000'  Rounded
       
   191 
       
   192 -- [some of the next group are really constructor tests]
       
   193 addx146 add '00.0'  0       ->  '0.0'
       
   194 addx147 add '0.00'  0       ->  '0.00'
       
   195 addx148 add  0      '0.00'  ->  '0.00'
       
   196 addx149 add  0      '00.0'  ->  '0.0'
       
   197 addx150 add '00.0'  '0.00'  ->  '0.00'
       
   198 addx151 add '0.00'  '00.0'  ->  '0.00'
       
   199 addx152 add '3'     '.3'    ->  '3.3'
       
   200 addx153 add '3.'    '.3'    ->  '3.3'
       
   201 addx154 add '3.0'   '.3'    ->  '3.3'
       
   202 addx155 add '3.00'  '.3'    ->  '3.30'
       
   203 addx156 add '3'     '3'     ->  '6'
       
   204 addx157 add '3'     '+3'    ->  '6'
       
   205 addx158 add '3'     '-3'    ->  '0'
       
   206 addx159 add '0.3'   '-0.3'  ->  '0.0'
       
   207 addx160 add '0.03'  '-0.03' ->  '0.00'
       
   208 
       
   209 -- try borderline precision, with carries, etc.
       
   210 precision: 15
       
   211 addx161 add '1E+12' '-1'    -> '999999999999'
       
   212 addx162 add '1E+12'  '1.11' -> '1000000000001.11'
       
   213 addx163 add '1.11'  '1E+12' -> '1000000000001.11'
       
   214 addx164 add '-1'    '1E+12' -> '999999999999'
       
   215 addx165 add '7E+12' '-1'    -> '6999999999999'
       
   216 addx166 add '7E+12'  '1.11' -> '7000000000001.11'
       
   217 addx167 add '1.11'  '7E+12' -> '7000000000001.11'
       
   218 addx168 add '-1'    '7E+12' -> '6999999999999'
       
   219 
       
   220 --             123456789012345      123456789012345      1 23456789012345
       
   221 addx170 add '0.444444444444444'  '0.555555555555563' -> '1.00000000000001' Inexact Rounded
       
   222 addx171 add '0.444444444444444'  '0.555555555555562' -> '1.00000000000001' Inexact Rounded
       
   223 addx172 add '0.444444444444444'  '0.555555555555561' -> '1.00000000000001' Inexact Rounded
       
   224 addx173 add '0.444444444444444'  '0.555555555555560' -> '1.00000000000000' Inexact Rounded
       
   225 addx174 add '0.444444444444444'  '0.555555555555559' -> '1.00000000000000' Inexact Rounded
       
   226 addx175 add '0.444444444444444'  '0.555555555555558' -> '1.00000000000000' Inexact Rounded
       
   227 addx176 add '0.444444444444444'  '0.555555555555557' -> '1.00000000000000' Inexact Rounded
       
   228 addx177 add '0.444444444444444'  '0.555555555555556' -> '1.00000000000000' Rounded
       
   229 addx178 add '0.444444444444444'  '0.555555555555555' -> '0.999999999999999'
       
   230 addx179 add '0.444444444444444'  '0.555555555555554' -> '0.999999999999998'
       
   231 addx180 add '0.444444444444444'  '0.555555555555553' -> '0.999999999999997'
       
   232 addx181 add '0.444444444444444'  '0.555555555555552' -> '0.999999999999996'
       
   233 addx182 add '0.444444444444444'  '0.555555555555551' -> '0.999999999999995'
       
   234 addx183 add '0.444444444444444'  '0.555555555555550' -> '0.999999999999994'
       
   235 
       
   236 -- and some more, including residue effects and different roundings
       
   237 precision: 9
       
   238 rounding: half_up
       
   239 addx200 add '123456789' 0             -> '123456789'
       
   240 addx201 add '123456789' 0.000000001   -> '123456789' Inexact Rounded
       
   241 addx202 add '123456789' 0.000001      -> '123456789' Inexact Rounded
       
   242 addx203 add '123456789' 0.1           -> '123456789' Inexact Rounded
       
   243 addx204 add '123456789' 0.4           -> '123456789' Inexact Rounded
       
   244 addx205 add '123456789' 0.49          -> '123456789' Inexact Rounded
       
   245 addx206 add '123456789' 0.499999      -> '123456789' Inexact Rounded
       
   246 addx207 add '123456789' 0.499999999   -> '123456789' Inexact Rounded
       
   247 addx208 add '123456789' 0.5           -> '123456790' Inexact Rounded
       
   248 addx209 add '123456789' 0.500000001   -> '123456790' Inexact Rounded
       
   249 addx210 add '123456789' 0.500001      -> '123456790' Inexact Rounded
       
   250 addx211 add '123456789' 0.51          -> '123456790' Inexact Rounded
       
   251 addx212 add '123456789' 0.6           -> '123456790' Inexact Rounded
       
   252 addx213 add '123456789' 0.9           -> '123456790' Inexact Rounded
       
   253 addx214 add '123456789' 0.99999       -> '123456790' Inexact Rounded
       
   254 addx215 add '123456789' 0.999999999   -> '123456790' Inexact Rounded
       
   255 addx216 add '123456789' 1             -> '123456790'
       
   256 addx217 add '123456789' 1.000000001   -> '123456790' Inexact Rounded
       
   257 addx218 add '123456789' 1.00001       -> '123456790' Inexact Rounded
       
   258 addx219 add '123456789' 1.1           -> '123456790' Inexact Rounded
       
   259 
       
   260 rounding: half_even
       
   261 addx220 add '123456789' 0             -> '123456789'
       
   262 addx221 add '123456789' 0.000000001   -> '123456789' Inexact Rounded
       
   263 addx222 add '123456789' 0.000001      -> '123456789' Inexact Rounded
       
   264 addx223 add '123456789' 0.1           -> '123456789' Inexact Rounded
       
   265 addx224 add '123456789' 0.4           -> '123456789' Inexact Rounded
       
   266 addx225 add '123456789' 0.49          -> '123456789' Inexact Rounded
       
   267 addx226 add '123456789' 0.499999      -> '123456789' Inexact Rounded
       
   268 addx227 add '123456789' 0.499999999   -> '123456789' Inexact Rounded
       
   269 addx228 add '123456789' 0.5           -> '123456790' Inexact Rounded
       
   270 addx229 add '123456789' 0.500000001   -> '123456790' Inexact Rounded
       
   271 addx230 add '123456789' 0.500001      -> '123456790' Inexact Rounded
       
   272 addx231 add '123456789' 0.51          -> '123456790' Inexact Rounded
       
   273 addx232 add '123456789' 0.6           -> '123456790' Inexact Rounded
       
   274 addx233 add '123456789' 0.9           -> '123456790' Inexact Rounded
       
   275 addx234 add '123456789' 0.99999       -> '123456790' Inexact Rounded
       
   276 addx235 add '123456789' 0.999999999   -> '123456790' Inexact Rounded
       
   277 addx236 add '123456789' 1             -> '123456790'
       
   278 addx237 add '123456789' 1.00000001    -> '123456790' Inexact Rounded
       
   279 addx238 add '123456789' 1.00001       -> '123456790' Inexact Rounded
       
   280 addx239 add '123456789' 1.1           -> '123456790' Inexact Rounded
       
   281 -- critical few with even bottom digit...
       
   282 addx240 add '123456788' 0.499999999   -> '123456788' Inexact Rounded
       
   283 addx241 add '123456788' 0.5           -> '123456788' Inexact Rounded
       
   284 addx242 add '123456788' 0.500000001   -> '123456789' Inexact Rounded
       
   285 
       
   286 rounding: down
       
   287 addx250 add '123456789' 0             -> '123456789'
       
   288 addx251 add '123456789' 0.000000001   -> '123456789' Inexact Rounded
       
   289 addx252 add '123456789' 0.000001      -> '123456789' Inexact Rounded
       
   290 addx253 add '123456789' 0.1           -> '123456789' Inexact Rounded
       
   291 addx254 add '123456789' 0.4           -> '123456789' Inexact Rounded
       
   292 addx255 add '123456789' 0.49          -> '123456789' Inexact Rounded
       
   293 addx256 add '123456789' 0.499999      -> '123456789' Inexact Rounded
       
   294 addx257 add '123456789' 0.499999999   -> '123456789' Inexact Rounded
       
   295 addx258 add '123456789' 0.5           -> '123456789' Inexact Rounded
       
   296 addx259 add '123456789' 0.500000001   -> '123456789' Inexact Rounded
       
   297 addx260 add '123456789' 0.500001      -> '123456789' Inexact Rounded
       
   298 addx261 add '123456789' 0.51          -> '123456789' Inexact Rounded
       
   299 addx262 add '123456789' 0.6           -> '123456789' Inexact Rounded
       
   300 addx263 add '123456789' 0.9           -> '123456789' Inexact Rounded
       
   301 addx264 add '123456789' 0.99999       -> '123456789' Inexact Rounded
       
   302 addx265 add '123456789' 0.999999999   -> '123456789' Inexact Rounded
       
   303 addx266 add '123456789' 1             -> '123456790'
       
   304 addx267 add '123456789' 1.00000001    -> '123456790' Inexact Rounded
       
   305 addx268 add '123456789' 1.00001       -> '123456790' Inexact Rounded
       
   306 addx269 add '123456789' 1.1           -> '123456790' Inexact Rounded
       
   307 
       
   308 -- input preparation tests (operands should not be rounded)
       
   309 precision: 3
       
   310 rounding: half_up
       
   311 
       
   312 addx270 add '12345678900000'  9999999999999 ->  '2.23E+13' Inexact Rounded
       
   313 addx271 add  '9999999999999' 12345678900000 ->  '2.23E+13' Inexact Rounded
       
   314 
       
   315 addx272 add '12E+3'  '3444'   ->  '1.54E+4' Inexact Rounded
       
   316 addx273 add '12E+3'  '3446'   ->  '1.54E+4' Inexact Rounded
       
   317 addx274 add '12E+3'  '3449.9' ->  '1.54E+4' Inexact Rounded
       
   318 addx275 add '12E+3'  '3450.0' ->  '1.55E+4' Inexact Rounded
       
   319 addx276 add '12E+3'  '3450.1' ->  '1.55E+4' Inexact Rounded
       
   320 addx277 add '12E+3'  '3454'   ->  '1.55E+4' Inexact Rounded
       
   321 addx278 add '12E+3'  '3456'   ->  '1.55E+4' Inexact Rounded
       
   322 
       
   323 addx281 add '3444'   '12E+3'  ->  '1.54E+4' Inexact Rounded
       
   324 addx282 add '3446'   '12E+3'  ->  '1.54E+4' Inexact Rounded
       
   325 addx283 add '3449.9' '12E+3'  ->  '1.54E+4' Inexact Rounded
       
   326 addx284 add '3450.0' '12E+3'  ->  '1.55E+4' Inexact Rounded
       
   327 addx285 add '3450.1' '12E+3'  ->  '1.55E+4' Inexact Rounded
       
   328 addx286 add '3454'   '12E+3'  ->  '1.55E+4' Inexact Rounded
       
   329 addx287 add '3456'   '12E+3'  ->  '1.55E+4' Inexact Rounded
       
   330 
       
   331 rounding: half_down
       
   332 addx291 add '3444'   '12E+3'  ->  '1.54E+4' Inexact Rounded
       
   333 addx292 add '3446'   '12E+3'  ->  '1.54E+4' Inexact Rounded
       
   334 addx293 add '3449.9' '12E+3'  ->  '1.54E+4' Inexact Rounded
       
   335 addx294 add '3450.0' '12E+3'  ->  '1.54E+4' Inexact Rounded
       
   336 addx295 add '3450.1' '12E+3'  ->  '1.55E+4' Inexact Rounded
       
   337 addx296 add '3454'   '12E+3'  ->  '1.55E+4' Inexact Rounded
       
   338 addx297 add '3456'   '12E+3'  ->  '1.55E+4' Inexact Rounded
       
   339 
       
   340 -- 1 in last place tests
       
   341 rounding: half_up
       
   342 addx301 add  -1   1      ->   0
       
   343 addx302 add   0   1      ->   1
       
   344 addx303 add   1   1      ->   2
       
   345 addx304 add  12   1      ->  13
       
   346 addx305 add  98   1      ->  99
       
   347 addx306 add  99   1      -> 100
       
   348 addx307 add 100   1      -> 101
       
   349 addx308 add 101   1      -> 102
       
   350 addx309 add  -1  -1      ->  -2
       
   351 addx310 add   0  -1      ->  -1
       
   352 addx311 add   1  -1      ->   0
       
   353 addx312 add  12  -1      ->  11
       
   354 addx313 add  98  -1      ->  97
       
   355 addx314 add  99  -1      ->  98
       
   356 addx315 add 100  -1      ->  99
       
   357 addx316 add 101  -1      -> 100
       
   358 
       
   359 addx321 add -0.01  0.01    ->  0.00
       
   360 addx322 add  0.00  0.01    ->  0.01
       
   361 addx323 add  0.01  0.01    ->  0.02
       
   362 addx324 add  0.12  0.01    ->  0.13
       
   363 addx325 add  0.98  0.01    ->  0.99
       
   364 addx326 add  0.99  0.01    ->  1.00
       
   365 addx327 add  1.00  0.01    ->  1.01
       
   366 addx328 add  1.01  0.01    ->  1.02
       
   367 addx329 add -0.01 -0.01    -> -0.02
       
   368 addx330 add  0.00 -0.01    -> -0.01
       
   369 addx331 add  0.01 -0.01    ->  0.00
       
   370 addx332 add  0.12 -0.01    ->  0.11
       
   371 addx333 add  0.98 -0.01    ->  0.97
       
   372 addx334 add  0.99 -0.01    ->  0.98
       
   373 addx335 add  1.00 -0.01    ->  0.99
       
   374 addx336 add  1.01 -0.01    ->  1.00
       
   375 
       
   376 -- some more cases where adding 0 affects the coefficient
       
   377 precision: 9
       
   378 addx340 add 1E+3    0    ->         1000
       
   379 addx341 add 1E+8    0    ->    100000000
       
   380 addx342 add 1E+9    0    ->   1.00000000E+9   Rounded
       
   381 addx343 add 1E+10   0    ->   1.00000000E+10  Rounded
       
   382 -- which simply follow from these cases ...
       
   383 addx344 add 1E+3    1    ->         1001
       
   384 addx345 add 1E+8    1    ->    100000001
       
   385 addx346 add 1E+9    1    ->   1.00000000E+9   Inexact Rounded
       
   386 addx347 add 1E+10   1    ->   1.00000000E+10  Inexact Rounded
       
   387 addx348 add 1E+3    7    ->         1007
       
   388 addx349 add 1E+8    7    ->    100000007
       
   389 addx350 add 1E+9    7    ->   1.00000001E+9   Inexact Rounded
       
   390 addx351 add 1E+10   7    ->   1.00000000E+10  Inexact Rounded
       
   391 
       
   392 -- tryzeros cases
       
   393 precision:   7
       
   394 rounding:    half_up
       
   395 maxExponent: 92
       
   396 minexponent: -92
       
   397 addx361  add 0E+50 10000E+1  -> 1.0000E+5
       
   398 addx362  add 10000E+1 0E-50  -> 100000.0  Rounded
       
   399 addx363  add 10000E+1 10000E-50  -> 100000.0  Rounded Inexact
       
   400 addx364  add 9.999999E+92 -9.999999E+92 -> 0E+86
       
   401 
       
   402 -- a curiosity from JSR 13 testing
       
   403 rounding:    half_down
       
   404 precision:   10
       
   405 addx370 add 99999999 81512 -> 100081511
       
   406 precision:      6
       
   407 addx371 add 99999999 81512 -> 1.00082E+8 Rounded Inexact
       
   408 rounding:    half_up
       
   409 precision:   10
       
   410 addx372 add 99999999 81512 -> 100081511
       
   411 precision:      6
       
   412 addx373 add 99999999 81512 -> 1.00082E+8 Rounded Inexact
       
   413 rounding:    half_even
       
   414 precision:   10
       
   415 addx374 add 99999999 81512 -> 100081511
       
   416 precision:      6
       
   417 addx375 add 99999999 81512 -> 1.00082E+8 Rounded Inexact
       
   418 
       
   419 -- ulp replacement tests
       
   420 precision: 9
       
   421 maxexponent: 999999999
       
   422 minexponent: -999999999
       
   423 addx400 add   1   77e-7       ->  1.0000077
       
   424 addx401 add   1   77e-8       ->  1.00000077
       
   425 addx402 add   1   77e-9       ->  1.00000008 Inexact Rounded
       
   426 addx403 add   1   77e-10      ->  1.00000001 Inexact Rounded
       
   427 addx404 add   1   77e-11      ->  1.00000000 Inexact Rounded
       
   428 addx405 add   1   77e-12      ->  1.00000000 Inexact Rounded
       
   429 addx406 add   1   77e-999     ->  1.00000000 Inexact Rounded
       
   430 addx407 add   1   77e-9999999 ->  1.00000000 Inexact Rounded
       
   431 
       
   432 addx410 add  10   77e-7       ->  10.0000077
       
   433 addx411 add  10   77e-8       ->  10.0000008 Inexact Rounded
       
   434 addx412 add  10   77e-9       ->  10.0000001 Inexact Rounded
       
   435 addx413 add  10   77e-10      ->  10.0000000 Inexact Rounded
       
   436 addx414 add  10   77e-11      ->  10.0000000 Inexact Rounded
       
   437 addx415 add  10   77e-12      ->  10.0000000 Inexact Rounded
       
   438 addx416 add  10   77e-999     ->  10.0000000 Inexact Rounded
       
   439 addx417 add  10   77e-9999999 ->  10.0000000 Inexact Rounded
       
   440 
       
   441 addx420 add  77e-7        1   ->  1.0000077
       
   442 addx421 add  77e-8        1   ->  1.00000077
       
   443 addx422 add  77e-9        1   ->  1.00000008 Inexact Rounded
       
   444 addx423 add  77e-10       1   ->  1.00000001 Inexact Rounded
       
   445 addx424 add  77e-11       1   ->  1.00000000 Inexact Rounded
       
   446 addx425 add  77e-12       1   ->  1.00000000 Inexact Rounded
       
   447 addx426 add  77e-999      1   ->  1.00000000 Inexact Rounded
       
   448 addx427 add  77e-9999999  1   ->  1.00000000 Inexact Rounded
       
   449 
       
   450 addx430 add  77e-7       10   ->  10.0000077
       
   451 addx431 add  77e-8       10   ->  10.0000008 Inexact Rounded
       
   452 addx432 add  77e-9       10   ->  10.0000001 Inexact Rounded
       
   453 addx433 add  77e-10      10   ->  10.0000000 Inexact Rounded
       
   454 addx434 add  77e-11      10   ->  10.0000000 Inexact Rounded
       
   455 addx435 add  77e-12      10   ->  10.0000000 Inexact Rounded
       
   456 addx436 add  77e-999     10   ->  10.0000000 Inexact Rounded
       
   457 addx437 add  77e-9999999 10   ->  10.0000000 Inexact Rounded
       
   458 
       
   459 -- negative ulps
       
   460 addx440 add   1   -77e-7       ->  0.9999923
       
   461 addx441 add   1   -77e-8       ->  0.99999923
       
   462 addx442 add   1   -77e-9       ->  0.999999923
       
   463 addx443 add   1   -77e-10      ->  0.999999992 Inexact Rounded
       
   464 addx444 add   1   -77e-11      ->  0.999999999 Inexact Rounded
       
   465 addx445 add   1   -77e-12      ->  1.00000000 Inexact Rounded
       
   466 addx446 add   1   -77e-999     ->  1.00000000 Inexact Rounded
       
   467 addx447 add   1   -77e-9999999 ->  1.00000000 Inexact Rounded
       
   468 
       
   469 addx450 add  10   -77e-7       ->   9.9999923
       
   470 addx451 add  10   -77e-8       ->   9.99999923
       
   471 addx452 add  10   -77e-9       ->   9.99999992 Inexact Rounded
       
   472 addx453 add  10   -77e-10      ->   9.99999999 Inexact Rounded
       
   473 addx454 add  10   -77e-11      ->  10.0000000 Inexact Rounded
       
   474 addx455 add  10   -77e-12      ->  10.0000000 Inexact Rounded
       
   475 addx456 add  10   -77e-999     ->  10.0000000 Inexact Rounded
       
   476 addx457 add  10   -77e-9999999 ->  10.0000000 Inexact Rounded
       
   477 
       
   478 addx460 add  -77e-7        1   ->  0.9999923
       
   479 addx461 add  -77e-8        1   ->  0.99999923
       
   480 addx462 add  -77e-9        1   ->  0.999999923
       
   481 addx463 add  -77e-10       1   ->  0.999999992 Inexact Rounded
       
   482 addx464 add  -77e-11       1   ->  0.999999999 Inexact Rounded
       
   483 addx465 add  -77e-12       1   ->  1.00000000 Inexact Rounded
       
   484 addx466 add  -77e-999      1   ->  1.00000000 Inexact Rounded
       
   485 addx467 add  -77e-9999999  1   ->  1.00000000 Inexact Rounded
       
   486 
       
   487 addx470 add  -77e-7       10   ->   9.9999923
       
   488 addx471 add  -77e-8       10   ->   9.99999923
       
   489 addx472 add  -77e-9       10   ->   9.99999992 Inexact Rounded
       
   490 addx473 add  -77e-10      10   ->   9.99999999 Inexact Rounded
       
   491 addx474 add  -77e-11      10   ->  10.0000000 Inexact Rounded
       
   492 addx475 add  -77e-12      10   ->  10.0000000 Inexact Rounded
       
   493 addx476 add  -77e-999     10   ->  10.0000000 Inexact Rounded
       
   494 addx477 add  -77e-9999999 10   ->  10.0000000 Inexact Rounded
       
   495 
       
   496 -- negative ulps
       
   497 addx480 add  -1    77e-7       ->  -0.9999923
       
   498 addx481 add  -1    77e-8       ->  -0.99999923
       
   499 addx482 add  -1    77e-9       ->  -0.999999923
       
   500 addx483 add  -1    77e-10      ->  -0.999999992 Inexact Rounded
       
   501 addx484 add  -1    77e-11      ->  -0.999999999 Inexact Rounded
       
   502 addx485 add  -1    77e-12      ->  -1.00000000 Inexact Rounded
       
   503 addx486 add  -1    77e-999     ->  -1.00000000 Inexact Rounded
       
   504 addx487 add  -1    77e-9999999 ->  -1.00000000 Inexact Rounded
       
   505 
       
   506 addx490 add -10    77e-7       ->   -9.9999923
       
   507 addx491 add -10    77e-8       ->   -9.99999923
       
   508 addx492 add -10    77e-9       ->   -9.99999992 Inexact Rounded
       
   509 addx493 add -10    77e-10      ->   -9.99999999 Inexact Rounded
       
   510 addx494 add -10    77e-11      ->  -10.0000000 Inexact Rounded
       
   511 addx495 add -10    77e-12      ->  -10.0000000 Inexact Rounded
       
   512 addx496 add -10    77e-999     ->  -10.0000000 Inexact Rounded
       
   513 addx497 add -10    77e-9999999 ->  -10.0000000 Inexact Rounded
       
   514 
       
   515 addx500 add   77e-7       -1   ->  -0.9999923
       
   516 addx501 add   77e-8       -1   ->  -0.99999923
       
   517 addx502 add   77e-9       -1   ->  -0.999999923
       
   518 addx503 add   77e-10      -1   ->  -0.999999992 Inexact Rounded
       
   519 addx504 add   77e-11      -1   ->  -0.999999999 Inexact Rounded
       
   520 addx505 add   77e-12      -1   ->  -1.00000000 Inexact Rounded
       
   521 addx506 add   77e-999     -1   ->  -1.00000000 Inexact Rounded
       
   522 addx507 add   77e-9999999 -1   ->  -1.00000000 Inexact Rounded
       
   523 
       
   524 addx510 add   77e-7       -10  ->   -9.9999923
       
   525 addx511 add   77e-8       -10  ->   -9.99999923
       
   526 addx512 add   77e-9       -10  ->   -9.99999992 Inexact Rounded
       
   527 addx513 add   77e-10      -10  ->   -9.99999999 Inexact Rounded
       
   528 addx514 add   77e-11      -10  ->  -10.0000000 Inexact Rounded
       
   529 addx515 add   77e-12      -10  ->  -10.0000000 Inexact Rounded
       
   530 addx516 add   77e-999     -10  ->  -10.0000000 Inexact Rounded
       
   531 addx517 add   77e-9999999 -10  ->  -10.0000000 Inexact Rounded
       
   532 
       
   533 
       
   534 -- long operands
       
   535 maxexponent: 999
       
   536 minexponent: -999
       
   537 precision: 9
       
   538 addx521 add 12345678000 0 -> 1.23456780E+10 Rounded
       
   539 addx522 add 0 12345678000 -> 1.23456780E+10 Rounded
       
   540 addx523 add 1234567800  0 -> 1.23456780E+9 Rounded
       
   541 addx524 add 0 1234567800  -> 1.23456780E+9 Rounded
       
   542 addx525 add 1234567890  0 -> 1.23456789E+9 Rounded
       
   543 addx526 add 0 1234567890  -> 1.23456789E+9 Rounded
       
   544 addx527 add 1234567891  0 -> 1.23456789E+9 Inexact Rounded
       
   545 addx528 add 0 1234567891  -> 1.23456789E+9 Inexact Rounded
       
   546 addx529 add 12345678901 0 -> 1.23456789E+10 Inexact Rounded
       
   547 addx530 add 0 12345678901 -> 1.23456789E+10 Inexact Rounded
       
   548 addx531 add 1234567896  0 -> 1.23456790E+9 Inexact Rounded
       
   549 addx532 add 0 1234567896  -> 1.23456790E+9 Inexact Rounded
       
   550 
       
   551 precision: 15
       
   552 -- still checking
       
   553 addx541 add 12345678000 0 -> 12345678000
       
   554 addx542 add 0 12345678000 -> 12345678000
       
   555 addx543 add 1234567800  0 -> 1234567800
       
   556 addx544 add 0 1234567800  -> 1234567800
       
   557 addx545 add 1234567890  0 -> 1234567890
       
   558 addx546 add 0 1234567890  -> 1234567890
       
   559 addx547 add 1234567891  0 -> 1234567891
       
   560 addx548 add 0 1234567891  -> 1234567891
       
   561 addx549 add 12345678901 0 -> 12345678901
       
   562 addx550 add 0 12345678901 -> 12345678901
       
   563 addx551 add 1234567896  0 -> 1234567896
       
   564 addx552 add 0 1234567896  -> 1234567896
       
   565 
       
   566 -- verify a query
       
   567 precision:    16
       
   568 maxExponent: +394
       
   569 minExponent: -393
       
   570 rounding:     down
       
   571 addx561 add 1e-398 9.000000000000000E+384 -> 9.000000000000000E+384 Inexact Rounded
       
   572 addx562 add      0 9.000000000000000E+384 -> 9.000000000000000E+384 Rounded
       
   573 -- and using decimal64 bounds (see also ddadd.decTest)
       
   574 precision:    16
       
   575 maxExponent: +384
       
   576 minExponent: -383
       
   577 rounding:     down
       
   578 addx563 add 1e-388 9.000000000000000E+374 -> 9.000000000000000E+374 Inexact Rounded
       
   579 addx564 add      0 9.000000000000000E+374 -> 9.000000000000000E+374 Rounded
       
   580 
       
   581 
       
   582 -- some more residue effects with extreme rounding
       
   583 precision:   9
       
   584 rounding: half_up
       
   585 addx601 add 123456789  0.000001 -> 123456789 Inexact Rounded
       
   586 rounding: half_even
       
   587 addx602 add 123456789  0.000001 -> 123456789 Inexact Rounded
       
   588 rounding: half_down
       
   589 addx603 add 123456789  0.000001 -> 123456789 Inexact Rounded
       
   590 rounding: floor
       
   591 addx604 add 123456789  0.000001 -> 123456789 Inexact Rounded
       
   592 rounding: ceiling
       
   593 addx605 add 123456789  0.000001 -> 123456790 Inexact Rounded
       
   594 rounding: up
       
   595 addx606 add 123456789  0.000001 -> 123456790 Inexact Rounded
       
   596 rounding: down
       
   597 addx607 add 123456789  0.000001 -> 123456789 Inexact Rounded
       
   598 
       
   599 rounding: half_up
       
   600 addx611 add 123456789 -0.000001 -> 123456789 Inexact Rounded
       
   601 rounding: half_even
       
   602 addx612 add 123456789 -0.000001 -> 123456789 Inexact Rounded
       
   603 rounding: half_down
       
   604 addx613 add 123456789 -0.000001 -> 123456789 Inexact Rounded
       
   605 rounding: floor
       
   606 addx614 add 123456789 -0.000001 -> 123456788 Inexact Rounded
       
   607 rounding: ceiling
       
   608 addx615 add 123456789 -0.000001 -> 123456789 Inexact Rounded
       
   609 rounding: up
       
   610 addx616 add 123456789 -0.000001 -> 123456789 Inexact Rounded
       
   611 rounding: down
       
   612 addx617 add 123456789 -0.000001 -> 123456788 Inexact Rounded
       
   613 
       
   614 rounding: half_up
       
   615 addx621 add 123456789  0.499999 -> 123456789 Inexact Rounded
       
   616 rounding: half_even
       
   617 addx622 add 123456789  0.499999 -> 123456789 Inexact Rounded
       
   618 rounding: half_down
       
   619 addx623 add 123456789  0.499999 -> 123456789 Inexact Rounded
       
   620 rounding: floor
       
   621 addx624 add 123456789  0.499999 -> 123456789 Inexact Rounded
       
   622 rounding: ceiling
       
   623 addx625 add 123456789  0.499999 -> 123456790 Inexact Rounded
       
   624 rounding: up
       
   625 addx626 add 123456789  0.499999 -> 123456790 Inexact Rounded
       
   626 rounding: down
       
   627 addx627 add 123456789  0.499999 -> 123456789 Inexact Rounded
       
   628 
       
   629 rounding: half_up
       
   630 addx631 add 123456789 -0.499999 -> 123456789 Inexact Rounded
       
   631 rounding: half_even
       
   632 addx632 add 123456789 -0.499999 -> 123456789 Inexact Rounded
       
   633 rounding: half_down
       
   634 addx633 add 123456789 -0.499999 -> 123456789 Inexact Rounded
       
   635 rounding: floor
       
   636 addx634 add 123456789 -0.499999 -> 123456788 Inexact Rounded
       
   637 rounding: ceiling
       
   638 addx635 add 123456789 -0.499999 -> 123456789 Inexact Rounded
       
   639 rounding: up
       
   640 addx636 add 123456789 -0.499999 -> 123456789 Inexact Rounded
       
   641 rounding: down
       
   642 addx637 add 123456789 -0.499999 -> 123456788 Inexact Rounded
       
   643 
       
   644 rounding: half_up
       
   645 addx641 add 123456789  0.500001 -> 123456790 Inexact Rounded
       
   646 rounding: half_even
       
   647 addx642 add 123456789  0.500001 -> 123456790 Inexact Rounded
       
   648 rounding: half_down
       
   649 addx643 add 123456789  0.500001 -> 123456790 Inexact Rounded
       
   650 rounding: floor
       
   651 addx644 add 123456789  0.500001 -> 123456789 Inexact Rounded
       
   652 rounding: ceiling
       
   653 addx645 add 123456789  0.500001 -> 123456790 Inexact Rounded
       
   654 rounding: up
       
   655 addx646 add 123456789  0.500001 -> 123456790 Inexact Rounded
       
   656 rounding: down
       
   657 addx647 add 123456789  0.500001 -> 123456789 Inexact Rounded
       
   658 
       
   659 rounding: half_up
       
   660 addx651 add 123456789 -0.500001 -> 123456788 Inexact Rounded
       
   661 rounding: half_even
       
   662 addx652 add 123456789 -0.500001 -> 123456788 Inexact Rounded
       
   663 rounding: half_down
       
   664 addx653 add 123456789 -0.500001 -> 123456788 Inexact Rounded
       
   665 rounding: floor
       
   666 addx654 add 123456789 -0.500001 -> 123456788 Inexact Rounded
       
   667 rounding: ceiling
       
   668 addx655 add 123456789 -0.500001 -> 123456789 Inexact Rounded
       
   669 rounding: up
       
   670 addx656 add 123456789 -0.500001 -> 123456789 Inexact Rounded
       
   671 rounding: down
       
   672 addx657 add 123456789 -0.500001 -> 123456788 Inexact Rounded
       
   673 
       
   674 -- long operand triangle
       
   675 rounding: half_up
       
   676 precision:  37
       
   677 addx660 add 98471198160.56524417578665886060 -23994.14313393939743548945165462 -> 98471174166.42211023638922337114834538
       
   678 precision:  36
       
   679 addx661 add 98471198160.56524417578665886060 -23994.14313393939743548945165462 -> 98471174166.4221102363892233711483454  Inexact Rounded
       
   680 precision:  35
       
   681 addx662 add 98471198160.56524417578665886060 -23994.14313393939743548945165462 -> 98471174166.422110236389223371148345   Inexact Rounded
       
   682 precision:  34
       
   683 addx663 add 98471198160.56524417578665886060 -23994.14313393939743548945165462 -> 98471174166.42211023638922337114835    Inexact Rounded
       
   684 precision:  33
       
   685 addx664 add 98471198160.56524417578665886060 -23994.14313393939743548945165462 -> 98471174166.4221102363892233711483     Inexact Rounded
       
   686 precision:  32
       
   687 addx665 add 98471198160.56524417578665886060 -23994.14313393939743548945165462 -> 98471174166.422110236389223371148      Inexact Rounded
       
   688 precision:  31
       
   689 addx666 add 98471198160.56524417578665886060 -23994.14313393939743548945165462 -> 98471174166.42211023638922337115       Inexact Rounded
       
   690 precision:  30
       
   691 addx667 add 98471198160.56524417578665886060 -23994.14313393939743548945165462 -> 98471174166.4221102363892233711        Inexact Rounded
       
   692 precision:  29
       
   693 addx668 add 98471198160.56524417578665886060 -23994.14313393939743548945165462 -> 98471174166.422110236389223371         Inexact Rounded
       
   694 precision:  28
       
   695 addx669 add 98471198160.56524417578665886060 -23994.14313393939743548945165462 -> 98471174166.42211023638922337          Inexact Rounded
       
   696 precision:  27
       
   697 addx670 add 98471198160.56524417578665886060 -23994.14313393939743548945165462 -> 98471174166.4221102363892234           Inexact Rounded
       
   698 precision:  26
       
   699 addx671 add 98471198160.56524417578665886060 -23994.14313393939743548945165462 -> 98471174166.422110236389223            Inexact Rounded
       
   700 precision:  25
       
   701 addx672 add 98471198160.56524417578665886060 -23994.14313393939743548945165462 -> 98471174166.42211023638922             Inexact Rounded
       
   702 precision:  24
       
   703 addx673 add 98471198160.56524417578665886060 -23994.14313393939743548945165462 -> 98471174166.4221102363892              Inexact Rounded
       
   704 precision:  23
       
   705 addx674 add 98471198160.56524417578665886060 -23994.14313393939743548945165462 -> 98471174166.422110236389               Inexact Rounded
       
   706 precision:  22
       
   707 addx675 add 98471198160.56524417578665886060 -23994.14313393939743548945165462 -> 98471174166.42211023639                Inexact Rounded
       
   708 precision:  21
       
   709 addx676 add 98471198160.56524417578665886060 -23994.14313393939743548945165462 -> 98471174166.4221102364                 Inexact Rounded
       
   710 precision:  20
       
   711 addx677 add 98471198160.56524417578665886060 -23994.14313393939743548945165462 -> 98471174166.422110236                  Inexact Rounded
       
   712 precision:  19
       
   713 addx678 add 98471198160.56524417578665886060 -23994.14313393939743548945165462 -> 98471174166.42211024                   Inexact Rounded
       
   714 precision:  18
       
   715 addx679 add 98471198160.56524417578665886060 -23994.14313393939743548945165462 -> 98471174166.4221102                    Inexact Rounded
       
   716 precision:  17
       
   717 addx680 add 98471198160.56524417578665886060 -23994.14313393939743548945165462 -> 98471174166.422110                     Inexact Rounded
       
   718 precision:  16
       
   719 addx681 add 98471198160.56524417578665886060 -23994.14313393939743548945165462 -> 98471174166.42211                      Inexact Rounded
       
   720 precision:  15
       
   721 addx682 add 98471198160.56524417578665886060 -23994.14313393939743548945165462 -> 98471174166.4221                       Inexact Rounded
       
   722 precision:  14
       
   723 addx683 add 98471198160.56524417578665886060 -23994.14313393939743548945165462 -> 98471174166.422                        Inexact Rounded
       
   724 precision:  13
       
   725 addx684 add 98471198160.56524417578665886060 -23994.14313393939743548945165462 -> 98471174166.42                         Inexact Rounded
       
   726 precision:  12
       
   727 addx685 add 98471198160.56524417578665886060 -23994.14313393939743548945165462 -> 98471174166.4                          Inexact Rounded
       
   728 precision:  11
       
   729 addx686 add 98471198160.56524417578665886060 -23994.14313393939743548945165462 -> 98471174166                            Inexact Rounded
       
   730 precision:  10
       
   731 addx687 add 98471198160.56524417578665886060 -23994.14313393939743548945165462 -> 9.847117417E+10                        Inexact Rounded
       
   732 precision:   9
       
   733 addx688 add 98471198160.56524417578665886060 -23994.14313393939743548945165462 -> 9.84711742E+10                         Inexact Rounded
       
   734 precision:   8
       
   735 addx689 add 98471198160.56524417578665886060 -23994.14313393939743548945165462 -> 9.8471174E+10                          Inexact Rounded
       
   736 precision:   7
       
   737 addx690 add 98471198160.56524417578665886060 -23994.14313393939743548945165462 -> 9.847117E+10                          Inexact Rounded
       
   738 precision:   6
       
   739 addx691 add 98471198160.56524417578665886060 -23994.14313393939743548945165462 -> 9.84712E+10                          Inexact Rounded
       
   740 precision:   5
       
   741 addx692 add 98471198160.56524417578665886060 -23994.14313393939743548945165462 -> 9.8471E+10                          Inexact Rounded
       
   742 precision:   4
       
   743 addx693 add 98471198160.56524417578665886060 -23994.14313393939743548945165462 -> 9.847E+10                          Inexact Rounded
       
   744 precision:   3
       
   745 addx694 add 98471198160.56524417578665886060 -23994.14313393939743548945165462 -> 9.85E+10                          Inexact Rounded
       
   746 precision:   2
       
   747 addx695 add 98471198160.56524417578665886060 -23994.14313393939743548945165462 -> 9.8E+10                          Inexact Rounded
       
   748 precision:   1
       
   749 addx696 add 98471198160.56524417578665886060 -23994.14313393939743548945165462 -> 1E+11                          Inexact Rounded
       
   750 
       
   751 -- more zeros, etc.
       
   752 rounding: half_up
       
   753 precision:   9
       
   754 
       
   755 addx701 add 5.00 1.00E-3 -> 5.00100
       
   756 addx702 add 00.00 0.000  -> 0.000
       
   757 addx703 add 00.00 0E-3   -> 0.000
       
   758 addx704 add 0E-3  00.00  -> 0.000
       
   759 
       
   760 addx710 add 0E+3  00.00  -> 0.00
       
   761 addx711 add 0E+3  00.0   -> 0.0
       
   762 addx712 add 0E+3  00.    -> 0
       
   763 addx713 add 0E+3  00.E+1 -> 0E+1
       
   764 addx714 add 0E+3  00.E+2 -> 0E+2
       
   765 addx715 add 0E+3  00.E+3 -> 0E+3
       
   766 addx716 add 0E+3  00.E+4 -> 0E+3
       
   767 addx717 add 0E+3  00.E+5 -> 0E+3
       
   768 addx718 add 0E+3  -00.0   -> 0.0
       
   769 addx719 add 0E+3  -00.    -> 0
       
   770 addx731 add 0E+3  -00.E+1 -> 0E+1
       
   771 
       
   772 addx720 add 00.00  0E+3  -> 0.00
       
   773 addx721 add 00.0   0E+3  -> 0.0
       
   774 addx722 add 00.    0E+3  -> 0
       
   775 addx723 add 00.E+1 0E+3  -> 0E+1
       
   776 addx724 add 00.E+2 0E+3  -> 0E+2
       
   777 addx725 add 00.E+3 0E+3  -> 0E+3
       
   778 addx726 add 00.E+4 0E+3  -> 0E+3
       
   779 addx727 add 00.E+5 0E+3  -> 0E+3
       
   780 addx728 add -00.00 0E+3  -> 0.00
       
   781 addx729 add -00.0  0E+3  -> 0.0
       
   782 addx730 add -00.   0E+3  -> 0
       
   783 
       
   784 addx732 add  0     0     ->  0
       
   785 addx733 add  0    -0     ->  0
       
   786 addx734 add -0     0     ->  0
       
   787 addx735 add -0    -0     -> -0     -- IEEE 854 special case
       
   788 
       
   789 addx736 add  1    -1     ->  0
       
   790 addx737 add -1    -1     -> -2
       
   791 addx738 add  1     1     ->  2
       
   792 addx739 add -1     1     ->  0
       
   793 
       
   794 addx741 add  0    -1     -> -1
       
   795 addx742 add -0    -1     -> -1
       
   796 addx743 add  0     1     ->  1
       
   797 addx744 add -0     1     ->  1
       
   798 addx745 add -1     0     -> -1
       
   799 addx746 add -1    -0     -> -1
       
   800 addx747 add  1     0     ->  1
       
   801 addx748 add  1    -0     ->  1
       
   802 
       
   803 addx751 add  0.0  -1     -> -1.0
       
   804 addx752 add -0.0  -1     -> -1.0
       
   805 addx753 add  0.0   1     ->  1.0
       
   806 addx754 add -0.0   1     ->  1.0
       
   807 addx755 add -1.0   0     -> -1.0
       
   808 addx756 add -1.0  -0     -> -1.0
       
   809 addx757 add  1.0   0     ->  1.0
       
   810 addx758 add  1.0  -0     ->  1.0
       
   811 
       
   812 addx761 add  0    -1.0   -> -1.0
       
   813 addx762 add -0    -1.0   -> -1.0
       
   814 addx763 add  0     1.0   ->  1.0
       
   815 addx764 add -0     1.0   ->  1.0
       
   816 addx765 add -1     0.0   -> -1.0
       
   817 addx766 add -1    -0.0   -> -1.0
       
   818 addx767 add  1     0.0   ->  1.0
       
   819 addx768 add  1    -0.0   ->  1.0
       
   820 
       
   821 addx771 add  0.0  -1.0   -> -1.0
       
   822 addx772 add -0.0  -1.0   -> -1.0
       
   823 addx773 add  0.0   1.0   ->  1.0
       
   824 addx774 add -0.0   1.0   ->  1.0
       
   825 addx775 add -1.0   0.0   -> -1.0
       
   826 addx776 add -1.0  -0.0   -> -1.0
       
   827 addx777 add  1.0   0.0   ->  1.0
       
   828 addx778 add  1.0  -0.0   ->  1.0
       
   829 
       
   830 -- Specials
       
   831 addx780 add -Inf  -Inf   -> -Infinity
       
   832 addx781 add -Inf  -1000  -> -Infinity
       
   833 addx782 add -Inf  -1     -> -Infinity
       
   834 addx783 add -Inf  -0     -> -Infinity
       
   835 addx784 add -Inf   0     -> -Infinity
       
   836 addx785 add -Inf   1     -> -Infinity
       
   837 addx786 add -Inf   1000  -> -Infinity
       
   838 addx787 add -1000 -Inf   -> -Infinity
       
   839 addx788 add -Inf  -Inf   -> -Infinity
       
   840 addx789 add -1    -Inf   -> -Infinity
       
   841 addx790 add -0    -Inf   -> -Infinity
       
   842 addx791 add  0    -Inf   -> -Infinity
       
   843 addx792 add  1    -Inf   -> -Infinity
       
   844 addx793 add  1000 -Inf   -> -Infinity
       
   845 addx794 add  Inf  -Inf   ->  NaN  Invalid_operation
       
   846 
       
   847 addx800 add  Inf  -Inf   ->  NaN  Invalid_operation
       
   848 addx801 add  Inf  -1000  ->  Infinity
       
   849 addx802 add  Inf  -1     ->  Infinity
       
   850 addx803 add  Inf  -0     ->  Infinity
       
   851 addx804 add  Inf   0     ->  Infinity
       
   852 addx805 add  Inf   1     ->  Infinity
       
   853 addx806 add  Inf   1000  ->  Infinity
       
   854 addx807 add  Inf   Inf   ->  Infinity
       
   855 addx808 add -1000  Inf   ->  Infinity
       
   856 addx809 add -Inf   Inf   ->  NaN  Invalid_operation
       
   857 addx810 add -1     Inf   ->  Infinity
       
   858 addx811 add -0     Inf   ->  Infinity
       
   859 addx812 add  0     Inf   ->  Infinity
       
   860 addx813 add  1     Inf   ->  Infinity
       
   861 addx814 add  1000  Inf   ->  Infinity
       
   862 addx815 add  Inf   Inf   ->  Infinity
       
   863 
       
   864 addx821 add  NaN -Inf    ->  NaN
       
   865 addx822 add  NaN -1000   ->  NaN
       
   866 addx823 add  NaN -1      ->  NaN
       
   867 addx824 add  NaN -0      ->  NaN
       
   868 addx825 add  NaN  0      ->  NaN
       
   869 addx826 add  NaN  1      ->  NaN
       
   870 addx827 add  NaN  1000   ->  NaN
       
   871 addx828 add  NaN  Inf    ->  NaN
       
   872 addx829 add  NaN  NaN    ->  NaN
       
   873 addx830 add -Inf  NaN    ->  NaN
       
   874 addx831 add -1000 NaN    ->  NaN
       
   875 addx832 add -1    NaN    ->  NaN
       
   876 addx833 add -0    NaN    ->  NaN
       
   877 addx834 add  0    NaN    ->  NaN
       
   878 addx835 add  1    NaN    ->  NaN
       
   879 addx836 add  1000 NaN    ->  NaN
       
   880 addx837 add  Inf  NaN    ->  NaN
       
   881 
       
   882 addx841 add  sNaN -Inf   ->  NaN  Invalid_operation
       
   883 addx842 add  sNaN -1000  ->  NaN  Invalid_operation
       
   884 addx843 add  sNaN -1     ->  NaN  Invalid_operation
       
   885 addx844 add  sNaN -0     ->  NaN  Invalid_operation
       
   886 addx845 add  sNaN  0     ->  NaN  Invalid_operation
       
   887 addx846 add  sNaN  1     ->  NaN  Invalid_operation
       
   888 addx847 add  sNaN  1000  ->  NaN  Invalid_operation
       
   889 addx848 add  sNaN  NaN   ->  NaN  Invalid_operation
       
   890 addx849 add  sNaN sNaN   ->  NaN  Invalid_operation
       
   891 addx850 add  NaN  sNaN   ->  NaN  Invalid_operation
       
   892 addx851 add -Inf  sNaN   ->  NaN  Invalid_operation
       
   893 addx852 add -1000 sNaN   ->  NaN  Invalid_operation
       
   894 addx853 add -1    sNaN   ->  NaN  Invalid_operation
       
   895 addx854 add -0    sNaN   ->  NaN  Invalid_operation
       
   896 addx855 add  0    sNaN   ->  NaN  Invalid_operation
       
   897 addx856 add  1    sNaN   ->  NaN  Invalid_operation
       
   898 addx857 add  1000 sNaN   ->  NaN  Invalid_operation
       
   899 addx858 add  Inf  sNaN   ->  NaN  Invalid_operation
       
   900 addx859 add  NaN  sNaN   ->  NaN  Invalid_operation
       
   901 
       
   902 -- propagating NaNs
       
   903 addx861 add  NaN1   -Inf    ->  NaN1
       
   904 addx862 add +NaN2   -1000   ->  NaN2
       
   905 addx863 add  NaN3    1000   ->  NaN3
       
   906 addx864 add  NaN4    Inf    ->  NaN4
       
   907 addx865 add  NaN5   +NaN6   ->  NaN5
       
   908 addx866 add -Inf     NaN7   ->  NaN7
       
   909 addx867 add -1000    NaN8   ->  NaN8
       
   910 addx868 add  1000    NaN9   ->  NaN9
       
   911 addx869 add  Inf    +NaN10  ->  NaN10
       
   912 addx871 add  sNaN11  -Inf   ->  NaN11  Invalid_operation
       
   913 addx872 add  sNaN12  -1000  ->  NaN12  Invalid_operation
       
   914 addx873 add  sNaN13   1000  ->  NaN13  Invalid_operation
       
   915 addx874 add  sNaN14   NaN17 ->  NaN14  Invalid_operation
       
   916 addx875 add  sNaN15  sNaN18 ->  NaN15  Invalid_operation
       
   917 addx876 add  NaN16   sNaN19 ->  NaN19  Invalid_operation
       
   918 addx877 add -Inf    +sNaN20 ->  NaN20  Invalid_operation
       
   919 addx878 add -1000    sNaN21 ->  NaN21  Invalid_operation
       
   920 addx879 add  1000    sNaN22 ->  NaN22  Invalid_operation
       
   921 addx880 add  Inf     sNaN23 ->  NaN23  Invalid_operation
       
   922 addx881 add +NaN25  +sNaN24 ->  NaN24  Invalid_operation
       
   923 addx882 add -NaN26    NaN28 -> -NaN26
       
   924 addx883 add -sNaN27  sNaN29 -> -NaN27  Invalid_operation
       
   925 addx884 add  1000    -NaN30 -> -NaN30
       
   926 addx885 add  1000   -sNaN31 -> -NaN31  Invalid_operation
       
   927 
       
   928 -- overflow, underflow and subnormal tests
       
   929 maxexponent: 999999999
       
   930 minexponent: -999999999
       
   931 precision: 9
       
   932 addx890 add 1E+999999999     9E+999999999   -> Infinity Overflow Inexact Rounded
       
   933 addx891 add 9E+999999999     1E+999999999   -> Infinity Overflow Inexact Rounded
       
   934 addx892 add -1.1E-999999999  1E-999999999   -> -1E-1000000000    Subnormal
       
   935 addx893 add 1E-999999999    -1.1e-999999999 -> -1E-1000000000    Subnormal
       
   936 addx894 add -1.0001E-999999999  1E-999999999   -> -1E-1000000003 Subnormal
       
   937 addx895 add 1E-999999999    -1.0001e-999999999 -> -1E-1000000003 Subnormal
       
   938 addx896 add -1E+999999999   -9E+999999999   -> -Infinity Overflow Inexact Rounded
       
   939 addx897 add -9E+999999999   -1E+999999999   -> -Infinity Overflow Inexact Rounded
       
   940 addx898 add +1.1E-999999999 -1E-999999999   -> 1E-1000000000    Subnormal
       
   941 addx899 add -1E-999999999   +1.1e-999999999 -> 1E-1000000000    Subnormal
       
   942 addx900 add +1.0001E-999999999 -1E-999999999   -> 1E-1000000003 Subnormal
       
   943 addx901 add -1E-999999999   +1.0001e-999999999 -> 1E-1000000003 Subnormal
       
   944 addx902 add -1E+999999999   +9E+999999999   ->  8E+999999999
       
   945 addx903 add -9E+999999999   +1E+999999999   -> -8E+999999999
       
   946 
       
   947 precision: 3
       
   948 addx904 add      0 -9.999E+999999999   -> -Infinity Inexact Overflow Rounded
       
   949 addx905 add        -9.999E+999999999 0 -> -Infinity Inexact Overflow Rounded
       
   950 addx906 add      0  9.999E+999999999   ->  Infinity Inexact Overflow Rounded
       
   951 addx907 add         9.999E+999999999 0 ->  Infinity Inexact Overflow Rounded
       
   952 
       
   953 precision: 3
       
   954 maxexponent: 999
       
   955 minexponent: -999
       
   956 addx910 add  1.00E-999   0    ->   1.00E-999
       
   957 addx911 add  0.1E-999    0    ->   1E-1000   Subnormal
       
   958 addx912 add  0.10E-999   0    ->   1.0E-1000 Subnormal
       
   959 addx913 add  0.100E-999  0    ->   1.0E-1000 Subnormal Rounded
       
   960 addx914 add  0.01E-999   0    ->   1E-1001   Subnormal
       
   961 -- next is rounded to Nmin
       
   962 addx915 add  0.999E-999  0    ->   1.00E-999 Inexact Rounded Subnormal Underflow
       
   963 addx916 add  0.099E-999  0    ->   1.0E-1000 Inexact Rounded Subnormal Underflow
       
   964 addx917 add  0.009E-999  0    ->   1E-1001   Inexact Rounded Subnormal Underflow
       
   965 addx918 add  0.001E-999  0    ->   0E-1001   Inexact Rounded Subnormal Underflow Clamped
       
   966 addx919 add  0.0009E-999 0    ->   0E-1001   Inexact Rounded Subnormal Underflow Clamped
       
   967 addx920 add  0.0001E-999 0    ->   0E-1001   Inexact Rounded Subnormal Underflow Clamped
       
   968 
       
   969 addx930 add -1.00E-999   0    ->  -1.00E-999
       
   970 addx931 add -0.1E-999    0    ->  -1E-1000   Subnormal
       
   971 addx932 add -0.10E-999   0    ->  -1.0E-1000 Subnormal
       
   972 addx933 add -0.100E-999  0    ->  -1.0E-1000 Subnormal Rounded
       
   973 addx934 add -0.01E-999   0    ->  -1E-1001   Subnormal
       
   974 -- next is rounded to Nmin
       
   975 addx935 add -0.999E-999  0    ->  -1.00E-999 Inexact Rounded Subnormal Underflow
       
   976 addx936 add -0.099E-999  0    ->  -1.0E-1000 Inexact Rounded Subnormal Underflow
       
   977 addx937 add -0.009E-999  0    ->  -1E-1001   Inexact Rounded Subnormal Underflow
       
   978 addx938 add -0.001E-999  0    ->  -0E-1001   Inexact Rounded Subnormal Underflow Clamped
       
   979 addx939 add -0.0009E-999 0    ->  -0E-1001   Inexact Rounded Subnormal Underflow Clamped
       
   980 addx940 add -0.0001E-999 0    ->  -0E-1001   Inexact Rounded Subnormal Underflow Clamped
       
   981 
       
   982 -- some non-zero subnormal adds
       
   983 addx950 add  1.00E-999    0.1E-999  ->   1.10E-999
       
   984 addx951 add  0.1E-999     0.1E-999  ->   2E-1000    Subnormal
       
   985 addx952 add  0.10E-999    0.1E-999  ->   2.0E-1000  Subnormal
       
   986 addx953 add  0.100E-999   0.1E-999  ->   2.0E-1000  Subnormal Rounded
       
   987 addx954 add  0.01E-999    0.1E-999  ->   1.1E-1000  Subnormal
       
   988 addx955 add  0.999E-999   0.1E-999  ->   1.10E-999  Inexact Rounded
       
   989 addx956 add  0.099E-999   0.1E-999  ->   2.0E-1000  Inexact Rounded Subnormal Underflow
       
   990 addx957 add  0.009E-999   0.1E-999  ->   1.1E-1000  Inexact Rounded Subnormal Underflow
       
   991 addx958 add  0.001E-999   0.1E-999  ->   1.0E-1000  Inexact Rounded Subnormal Underflow
       
   992 addx959 add  0.0009E-999  0.1E-999  ->   1.0E-1000  Inexact Rounded Subnormal Underflow
       
   993 addx960 add  0.0001E-999  0.1E-999  ->   1.0E-1000  Inexact Rounded Subnormal Underflow
       
   994 -- negatives...
       
   995 addx961 add  1.00E-999   -0.1E-999  ->   9.0E-1000  Subnormal
       
   996 addx962 add  0.1E-999    -0.1E-999  ->   0E-1000
       
   997 addx963 add  0.10E-999   -0.1E-999  ->   0E-1001
       
   998 addx964 add  0.100E-999  -0.1E-999  ->   0E-1001    Clamped
       
   999 addx965 add  0.01E-999   -0.1E-999  ->   -9E-1001   Subnormal
       
  1000 addx966 add  0.999E-999  -0.1E-999  ->   9.0E-1000  Inexact Rounded Subnormal Underflow
       
  1001 addx967 add  0.099E-999  -0.1E-999  ->   -0E-1001   Inexact Rounded Subnormal Underflow Clamped
       
  1002 addx968 add  0.009E-999  -0.1E-999  ->   -9E-1001   Inexact Rounded Subnormal Underflow
       
  1003 addx969 add  0.001E-999  -0.1E-999  ->   -1.0E-1000 Inexact Rounded Subnormal Underflow
       
  1004 addx970 add  0.0009E-999 -0.1E-999  ->   -1.0E-1000 Inexact Rounded Subnormal Underflow
       
  1005 addx971 add  0.0001E-999 -0.1E-999  ->   -1.0E-1000 Inexact Rounded Subnormal Underflow
       
  1006 
       
  1007 -- some 'real' numbers
       
  1008 maxExponent: 384
       
  1009 minExponent: -383
       
  1010 precision: 8
       
  1011 addx566 add 99999061735E-394  0E-394 -> 9.999906E-384 Inexact Rounded Underflow Subnormal
       
  1012 precision: 7
       
  1013 addx567 add 99999061735E-394  0E-394 -> 9.99991E-384 Inexact Rounded Underflow Subnormal
       
  1014 precision: 6
       
  1015 addx568 add 99999061735E-394  0E-394 -> 9.9999E-384 Inexact Rounded Underflow Subnormal
       
  1016 
       
  1017 -- now the case where we can get underflow but the result is normal
       
  1018 -- [note this can't happen if the operands are also bounded, as we
       
  1019 -- cannot represent 1E-399, for example]
       
  1020 precision:   16
       
  1021 rounding:    half_up
       
  1022 maxExponent: 384
       
  1023 minExponent: -383
       
  1024 
       
  1025 addx571 add       1E-383       0  -> 1E-383
       
  1026 addx572 add       1E-384       0  -> 1E-384   Subnormal
       
  1027 addx573 add       1E-383  1E-384  -> 1.1E-383
       
  1028 addx574 subtract  1E-383  1E-384  ->   9E-384 Subnormal
       
  1029 
       
  1030 -- Here we explore the boundary of rounding a subnormal to Nmin
       
  1031 addx575 subtract  1E-383  1E-398  ->   9.99999999999999E-384  Subnormal
       
  1032 addx576 subtract  1E-383  1E-398  ->   9.99999999999999E-384  Subnormal
       
  1033 addx577 subtract  1E-383  1E-399  ->   1.000000000000000E-383 Underflow Inexact Subnormal Rounded
       
  1034 addx578 subtract  1E-383  1E-400  ->   1.000000000000000E-383 Underflow Inexact Subnormal Rounded
       
  1035 addx579 subtract  1E-383  1E-401  ->   1.000000000000000E-383 Underflow Inexact Subnormal Rounded
       
  1036 addx580 subtract  1E-383  1E-402  ->   1.000000000000000E-383 Underflow Inexact Subnormal Rounded
       
  1037 
       
  1038 -- check overflow edge case
       
  1039 precision:   7
       
  1040 rounding:    half_up
       
  1041 maxExponent: 96
       
  1042 minExponent: -95
       
  1043 addx972 apply   9.999999E+96         -> 9.999999E+96
       
  1044 addx973 add     9.999999E+96  1      -> 9.999999E+96 Inexact Rounded
       
  1045 addx974 add      9999999E+90  1      -> 9.999999E+96 Inexact Rounded
       
  1046 addx975 add      9999999E+90  1E+90  -> Infinity Overflow Inexact Rounded
       
  1047 addx976 add      9999999E+90  9E+89  -> Infinity Overflow Inexact Rounded
       
  1048 addx977 add      9999999E+90  8E+89  -> Infinity Overflow Inexact Rounded
       
  1049 addx978 add      9999999E+90  7E+89  -> Infinity Overflow Inexact Rounded
       
  1050 addx979 add      9999999E+90  6E+89  -> Infinity Overflow Inexact Rounded
       
  1051 addx980 add      9999999E+90  5E+89  -> Infinity Overflow Inexact Rounded
       
  1052 addx981 add      9999999E+90  4E+89  -> 9.999999E+96 Inexact Rounded
       
  1053 addx982 add      9999999E+90  3E+89  -> 9.999999E+96 Inexact Rounded
       
  1054 addx983 add      9999999E+90  2E+89  -> 9.999999E+96 Inexact Rounded
       
  1055 addx984 add      9999999E+90  1E+89  -> 9.999999E+96 Inexact Rounded
       
  1056 
       
  1057 addx985 apply  -9.999999E+96         -> -9.999999E+96
       
  1058 addx986 add    -9.999999E+96 -1      -> -9.999999E+96 Inexact Rounded
       
  1059 addx987 add     -9999999E+90 -1      -> -9.999999E+96 Inexact Rounded
       
  1060 addx988 add     -9999999E+90 -1E+90  -> -Infinity Overflow Inexact Rounded
       
  1061 addx989 add     -9999999E+90 -9E+89  -> -Infinity Overflow Inexact Rounded
       
  1062 addx990 add     -9999999E+90 -8E+89  -> -Infinity Overflow Inexact Rounded
       
  1063 addx991 add     -9999999E+90 -7E+89  -> -Infinity Overflow Inexact Rounded
       
  1064 addx992 add     -9999999E+90 -6E+89  -> -Infinity Overflow Inexact Rounded
       
  1065 addx993 add     -9999999E+90 -5E+89  -> -Infinity Overflow Inexact Rounded
       
  1066 addx994 add     -9999999E+90 -4E+89  -> -9.999999E+96 Inexact Rounded
       
  1067 addx995 add     -9999999E+90 -3E+89  -> -9.999999E+96 Inexact Rounded
       
  1068 addx996 add     -9999999E+90 -2E+89  -> -9.999999E+96 Inexact Rounded
       
  1069 addx997 add     -9999999E+90 -1E+89  -> -9.999999E+96 Inexact Rounded
       
  1070 
       
  1071 -- check for double-rounded subnormals
       
  1072 precision:   5
       
  1073 maxexponent: 79
       
  1074 minexponent: -79
       
  1075 -- Add: lhs and rhs 0
       
  1076 addx1001 add       1.52444E-80 0 -> 1.524E-80 Inexact Rounded Subnormal Underflow
       
  1077 addx1002 add       1.52445E-80 0 -> 1.524E-80 Inexact Rounded Subnormal Underflow
       
  1078 addx1003 add       1.52446E-80 0 -> 1.524E-80 Inexact Rounded Subnormal Underflow
       
  1079 addx1004 add       0 1.52444E-80 -> 1.524E-80 Inexact Rounded Subnormal Underflow
       
  1080 addx1005 add       0 1.52445E-80 -> 1.524E-80 Inexact Rounded Subnormal Underflow
       
  1081 addx1006 add       0 1.52446E-80 -> 1.524E-80 Inexact Rounded Subnormal Underflow
       
  1082 
       
  1083 -- Add: lhs >> rhs and vice versa
       
  1084 addx1011 add       1.52444E-80 1E-100 -> 1.524E-80 Inexact Rounded Subnormal Underflow
       
  1085 addx1012 add       1.52445E-80 1E-100 -> 1.524E-80 Inexact Rounded Subnormal Underflow
       
  1086 addx1013 add       1.52446E-80 1E-100 -> 1.524E-80 Inexact Rounded Subnormal Underflow
       
  1087 addx1014 add       1E-100 1.52444E-80 -> 1.524E-80 Inexact Rounded Subnormal Underflow
       
  1088 addx1015 add       1E-100 1.52445E-80 -> 1.524E-80 Inexact Rounded Subnormal Underflow
       
  1089 addx1016 add       1E-100 1.52446E-80 -> 1.524E-80 Inexact Rounded Subnormal Underflow
       
  1090 
       
  1091 -- Add: lhs + rhs addition carried out
       
  1092 addx1021 add       1.52443E-80 1.00001E-80  -> 2.524E-80 Inexact Rounded Subnormal Underflow
       
  1093 addx1022 add       1.52444E-80 1.00001E-80  -> 2.524E-80 Inexact Rounded Subnormal Underflow
       
  1094 addx1023 add       1.52445E-80 1.00001E-80  -> 2.524E-80 Inexact Rounded Subnormal Underflow
       
  1095 addx1024 add       1.00001E-80  1.52443E-80 -> 2.524E-80 Inexact Rounded Subnormal Underflow
       
  1096 addx1025 add       1.00001E-80  1.52444E-80 -> 2.524E-80 Inexact Rounded Subnormal Underflow
       
  1097 addx1026 add       1.00001E-80  1.52445E-80 -> 2.524E-80 Inexact Rounded Subnormal Underflow
       
  1098 
       
  1099 -- And for round down full and subnormal results
       
  1100 precision:    16
       
  1101 maxExponent: +384
       
  1102 minExponent: -383
       
  1103 rounding:     down
       
  1104 
       
  1105 addx1100 add 1e+2 -1e-383    -> 99.99999999999999 Rounded Inexact
       
  1106 addx1101 add 1e+1 -1e-383    -> 9.999999999999999  Rounded Inexact
       
  1107 addx1103 add   +1 -1e-383    -> 0.9999999999999999  Rounded Inexact
       
  1108 addx1104 add 1e-1 -1e-383    -> 0.09999999999999999  Rounded Inexact
       
  1109 addx1105 add 1e-2 -1e-383    -> 0.009999999999999999  Rounded Inexact
       
  1110 addx1106 add 1e-3 -1e-383    -> 0.0009999999999999999  Rounded Inexact
       
  1111 addx1107 add 1e-4 -1e-383    -> 0.00009999999999999999  Rounded Inexact
       
  1112 addx1108 add 1e-5 -1e-383    -> 0.000009999999999999999  Rounded Inexact
       
  1113 addx1109 add 1e-6 -1e-383    -> 9.999999999999999E-7  Rounded Inexact
       
  1114 
       
  1115 rounding:     ceiling
       
  1116 addx1110 add -1e+2 +1e-383   -> -99.99999999999999 Rounded Inexact
       
  1117 addx1111 add -1e+1 +1e-383   -> -9.999999999999999  Rounded Inexact
       
  1118 addx1113 add    -1 +1e-383   -> -0.9999999999999999  Rounded Inexact
       
  1119 addx1114 add -1e-1 +1e-383   -> -0.09999999999999999  Rounded Inexact
       
  1120 addx1115 add -1e-2 +1e-383   -> -0.009999999999999999  Rounded Inexact
       
  1121 addx1116 add -1e-3 +1e-383   -> -0.0009999999999999999  Rounded Inexact
       
  1122 addx1117 add -1e-4 +1e-383   -> -0.00009999999999999999  Rounded Inexact
       
  1123 addx1118 add -1e-5 +1e-383   -> -0.000009999999999999999  Rounded Inexact
       
  1124 addx1119 add -1e-6 +1e-383   -> -9.999999999999999E-7  Rounded Inexact
       
  1125 addx1120 add +1e-383 -1e+2   -> -99.99999999999999 Rounded Inexact
       
  1126 addx1121 add +1e-383 -1e+1   -> -9.999999999999999  Rounded Inexact
       
  1127 addx1123 add +1e-383    -1   -> -0.9999999999999999  Rounded Inexact
       
  1128 addx1124 add +1e-383 -1e-1   -> -0.09999999999999999  Rounded Inexact
       
  1129 addx1125 add +1e-383 -1e-2   -> -0.009999999999999999  Rounded Inexact
       
  1130 addx1126 add +1e-383 -1e-3   -> -0.0009999999999999999  Rounded Inexact
       
  1131 addx1127 add +1e-383 -1e-4   -> -0.00009999999999999999  Rounded Inexact
       
  1132 addx1128 add +1e-383 -1e-5   -> -0.000009999999999999999  Rounded Inexact
       
  1133 addx1129 add +1e-383 -1e-6   -> -9.999999999999999E-7  Rounded Inexact
       
  1134 
       
  1135 rounding:     down
       
  1136 precision:    7
       
  1137 maxExponent: +96
       
  1138 minExponent: -95
       
  1139 addx1130 add   1            -1e-200  -> 0.9999999  Rounded Inexact
       
  1140 -- subnormal boundary
       
  1141 addx1131 add   1.000000E-94  -1e-200  ->  9.999999E-95  Rounded Inexact
       
  1142 addx1132 add   1.000001E-95  -1e-200  ->  1.000000E-95  Rounded Inexact
       
  1143 addx1133 add   1.000000E-95  -1e-200  ->  9.99999E-96  Rounded Inexact Subnormal Underflow
       
  1144 addx1134 add   0.999999E-95  -1e-200  ->  9.99998E-96  Rounded Inexact Subnormal Underflow
       
  1145 addx1135 add   0.001000E-95  -1e-200  ->  9.99E-99  Rounded Inexact Subnormal Underflow
       
  1146 addx1136 add   0.000999E-95  -1e-200  ->  9.98E-99  Rounded Inexact Subnormal Underflow
       
  1147 addx1137 add   1.000000E-95  -1e-101  ->  9.99999E-96  Subnormal
       
  1148 addx1138 add      10000E-101 -1e-200  ->  9.999E-98  Subnormal Inexact Rounded Underflow
       
  1149 addx1139 add       1000E-101 -1e-200  ->  9.99E-99   Subnormal Inexact Rounded Underflow
       
  1150 addx1140 add        100E-101 -1e-200  ->  9.9E-100   Subnormal Inexact Rounded Underflow
       
  1151 addx1141 add         10E-101 -1e-200  ->  9E-101     Subnormal Inexact Rounded Underflow
       
  1152 addx1142 add          1E-101 -1e-200  ->  0E-101     Subnormal Inexact Rounded Underflow Clamped
       
  1153 addx1143 add          0E-101 -1e-200  -> -0E-101     Subnormal Inexact Rounded Underflow Clamped
       
  1154 addx1144 add          1E-102 -1e-200  ->  0E-101     Subnormal Inexact Rounded Underflow Clamped
       
  1155 
       
  1156 addx1151 add      10000E-102 -1e-200  ->  9.99E-99  Subnormal Inexact Rounded Underflow
       
  1157 addx1152 add       1000E-102 -1e-200  ->  9.9E-100  Subnormal Inexact Rounded Underflow
       
  1158 addx1153 add        100E-102 -1e-200  ->  9E-101   Subnormal Inexact Rounded Underflow
       
  1159 addx1154 add         10E-102 -1e-200  ->  0E-101     Subnormal Inexact Rounded Underflow Clamped
       
  1160 addx1155 add          1E-102 -1e-200  ->  0E-101     Subnormal Inexact Rounded Underflow Clamped
       
  1161 addx1156 add          0E-102 -1e-200  -> -0E-101     Subnormal Inexact Rounded Underflow Clamped
       
  1162 addx1157 add          1E-103 -1e-200  ->  0E-101     Subnormal Inexact Rounded Underflow Clamped
       
  1163 
       
  1164 addx1160 add        100E-105 -1e-101  -> -0E-101 Subnormal Inexact Rounded Underflow Clamped
       
  1165 addx1161 add        100E-105 -1e-201  ->  0E-101 Subnormal Inexact Rounded Underflow Clamped
       
  1166 
       
  1167 -- tests based on Gunnar Degnbol's edge case
       
  1168 precision:   15
       
  1169 rounding:    half_up
       
  1170 maxExponent: 384
       
  1171 minexponent: -383
       
  1172 
       
  1173 addx1200 add 1E15  -0.5                 ->  1.00000000000000E+15 Inexact Rounded
       
  1174 addx1201 add 1E15  -0.50                ->  1.00000000000000E+15 Inexact Rounded
       
  1175 addx1210 add 1E15  -0.51                ->  999999999999999      Inexact Rounded
       
  1176 addx1211 add 1E15  -0.501               ->  999999999999999      Inexact Rounded
       
  1177 addx1212 add 1E15  -0.5001              ->  999999999999999      Inexact Rounded
       
  1178 addx1213 add 1E15  -0.50001             ->  999999999999999      Inexact Rounded
       
  1179 addx1214 add 1E15  -0.500001            ->  999999999999999      Inexact Rounded
       
  1180 addx1215 add 1E15  -0.5000001           ->  999999999999999      Inexact Rounded
       
  1181 addx1216 add 1E15  -0.50000001          ->  999999999999999      Inexact Rounded
       
  1182 addx1217 add 1E15  -0.500000001         ->  999999999999999      Inexact Rounded
       
  1183 addx1218 add 1E15  -0.5000000001        ->  999999999999999      Inexact Rounded
       
  1184 addx1219 add 1E15  -0.50000000001       ->  999999999999999      Inexact Rounded
       
  1185 addx1220 add 1E15  -0.500000000001      ->  999999999999999      Inexact Rounded
       
  1186 addx1221 add 1E15  -0.5000000000001     ->  999999999999999      Inexact Rounded
       
  1187 addx1222 add 1E15  -0.50000000000001    ->  999999999999999      Inexact Rounded
       
  1188 addx1223 add 1E15  -0.500000000000001   ->  999999999999999      Inexact Rounded
       
  1189 addx1224 add 1E15  -0.5000000000000001  ->  999999999999999      Inexact Rounded
       
  1190 addx1225 add 1E15  -0.5000000000000000  ->  1.00000000000000E+15 Inexact Rounded
       
  1191 addx1230 add 1E15  -5000000.000000001   ->  999999995000000      Inexact Rounded
       
  1192 
       
  1193 precision:   16
       
  1194 
       
  1195 addx1300 add 1E16  -0.5                 ->  1.000000000000000E+16 Inexact Rounded
       
  1196 addx1310 add 1E16  -0.51                ->  9999999999999999      Inexact Rounded
       
  1197 addx1311 add 1E16  -0.501               ->  9999999999999999      Inexact Rounded
       
  1198 addx1312 add 1E16  -0.5001              ->  9999999999999999      Inexact Rounded
       
  1199 addx1313 add 1E16  -0.50001             ->  9999999999999999      Inexact Rounded
       
  1200 addx1314 add 1E16  -0.500001            ->  9999999999999999      Inexact Rounded
       
  1201 addx1315 add 1E16  -0.5000001           ->  9999999999999999      Inexact Rounded
       
  1202 addx1316 add 1E16  -0.50000001          ->  9999999999999999      Inexact Rounded
       
  1203 addx1317 add 1E16  -0.500000001         ->  9999999999999999      Inexact Rounded
       
  1204 addx1318 add 1E16  -0.5000000001        ->  9999999999999999      Inexact Rounded
       
  1205 addx1319 add 1E16  -0.50000000001       ->  9999999999999999      Inexact Rounded
       
  1206 addx1320 add 1E16  -0.500000000001      ->  9999999999999999      Inexact Rounded
       
  1207 addx1321 add 1E16  -0.5000000000001     ->  9999999999999999      Inexact Rounded
       
  1208 addx1322 add 1E16  -0.50000000000001    ->  9999999999999999      Inexact Rounded
       
  1209 addx1323 add 1E16  -0.500000000000001   ->  9999999999999999      Inexact Rounded
       
  1210 addx1324 add 1E16  -0.5000000000000001  ->  9999999999999999      Inexact Rounded
       
  1211 addx1325 add 1E16  -0.5000000000000000  ->  1.000000000000000E+16 Inexact Rounded
       
  1212 addx1326 add 1E16  -0.500000000000000   ->  1.000000000000000E+16 Inexact Rounded
       
  1213 addx1327 add 1E16  -0.50000000000000    ->  1.000000000000000E+16 Inexact Rounded
       
  1214 addx1328 add 1E16  -0.5000000000000     ->  1.000000000000000E+16 Inexact Rounded
       
  1215 addx1329 add 1E16  -0.500000000000      ->  1.000000000000000E+16 Inexact Rounded
       
  1216 addx1330 add 1E16  -0.50000000000       ->  1.000000000000000E+16 Inexact Rounded
       
  1217 addx1331 add 1E16  -0.5000000000        ->  1.000000000000000E+16 Inexact Rounded
       
  1218 addx1332 add 1E16  -0.500000000         ->  1.000000000000000E+16 Inexact Rounded
       
  1219 addx1333 add 1E16  -0.50000000          ->  1.000000000000000E+16 Inexact Rounded
       
  1220 addx1334 add 1E16  -0.5000000           ->  1.000000000000000E+16 Inexact Rounded
       
  1221 addx1335 add 1E16  -0.500000            ->  1.000000000000000E+16 Inexact Rounded
       
  1222 addx1336 add 1E16  -0.50000             ->  1.000000000000000E+16 Inexact Rounded
       
  1223 addx1337 add 1E16  -0.5000              ->  1.000000000000000E+16 Inexact Rounded
       
  1224 addx1338 add 1E16  -0.500               ->  1.000000000000000E+16 Inexact Rounded
       
  1225 addx1339 add 1E16  -0.50                ->  1.000000000000000E+16 Inexact Rounded
       
  1226 
       
  1227 addx1340 add 1E16  -5000000.000010001   ->  9999999995000000      Inexact Rounded
       
  1228 addx1341 add 1E16  -5000000.000000001   ->  9999999995000000      Inexact Rounded
       
  1229 
       
  1230 addx1349 add 9999999999999999 0.4                 ->  9999999999999999      Inexact Rounded
       
  1231 addx1350 add 9999999999999999 0.49                ->  9999999999999999      Inexact Rounded
       
  1232 addx1351 add 9999999999999999 0.499               ->  9999999999999999      Inexact Rounded
       
  1233 addx1352 add 9999999999999999 0.4999              ->  9999999999999999      Inexact Rounded
       
  1234 addx1353 add 9999999999999999 0.49999             ->  9999999999999999      Inexact Rounded
       
  1235 addx1354 add 9999999999999999 0.499999            ->  9999999999999999      Inexact Rounded
       
  1236 addx1355 add 9999999999999999 0.4999999           ->  9999999999999999      Inexact Rounded
       
  1237 addx1356 add 9999999999999999 0.49999999          ->  9999999999999999      Inexact Rounded
       
  1238 addx1357 add 9999999999999999 0.499999999         ->  9999999999999999      Inexact Rounded
       
  1239 addx1358 add 9999999999999999 0.4999999999        ->  9999999999999999      Inexact Rounded
       
  1240 addx1359 add 9999999999999999 0.49999999999       ->  9999999999999999      Inexact Rounded
       
  1241 addx1360 add 9999999999999999 0.499999999999      ->  9999999999999999      Inexact Rounded
       
  1242 addx1361 add 9999999999999999 0.4999999999999     ->  9999999999999999      Inexact Rounded
       
  1243 addx1362 add 9999999999999999 0.49999999999999    ->  9999999999999999      Inexact Rounded
       
  1244 addx1363 add 9999999999999999 0.499999999999999   ->  9999999999999999      Inexact Rounded
       
  1245 addx1364 add 9999999999999999 0.4999999999999999  ->  9999999999999999      Inexact Rounded
       
  1246 addx1365 add 9999999999999999 0.5000000000000000  ->  1.000000000000000E+16 Inexact Rounded
       
  1247 addx1367 add 9999999999999999 0.500000000000000   ->  1.000000000000000E+16 Inexact Rounded
       
  1248 addx1368 add 9999999999999999 0.50000000000000    ->  1.000000000000000E+16 Inexact Rounded
       
  1249 addx1369 add 9999999999999999 0.5000000000000     ->  1.000000000000000E+16 Inexact Rounded
       
  1250 addx1370 add 9999999999999999 0.500000000000      ->  1.000000000000000E+16 Inexact Rounded
       
  1251 addx1371 add 9999999999999999 0.50000000000       ->  1.000000000000000E+16 Inexact Rounded
       
  1252 addx1372 add 9999999999999999 0.5000000000        ->  1.000000000000000E+16 Inexact Rounded
       
  1253 addx1373 add 9999999999999999 0.500000000         ->  1.000000000000000E+16 Inexact Rounded
       
  1254 addx1374 add 9999999999999999 0.50000000          ->  1.000000000000000E+16 Inexact Rounded
       
  1255 addx1375 add 9999999999999999 0.5000000           ->  1.000000000000000E+16 Inexact Rounded
       
  1256 addx1376 add 9999999999999999 0.500000            ->  1.000000000000000E+16 Inexact Rounded
       
  1257 addx1377 add 9999999999999999 0.50000             ->  1.000000000000000E+16 Inexact Rounded
       
  1258 addx1378 add 9999999999999999 0.5000              ->  1.000000000000000E+16 Inexact Rounded
       
  1259 addx1379 add 9999999999999999 0.500               ->  1.000000000000000E+16 Inexact Rounded
       
  1260 addx1380 add 9999999999999999 0.50                ->  1.000000000000000E+16 Inexact Rounded
       
  1261 addx1381 add 9999999999999999 0.5                 ->  1.000000000000000E+16 Inexact Rounded
       
  1262 addx1382 add 9999999999999999 0.5000000000000001  ->  1.000000000000000E+16 Inexact Rounded
       
  1263 addx1383 add 9999999999999999 0.500000000000001   ->  1.000000000000000E+16 Inexact Rounded
       
  1264 addx1384 add 9999999999999999 0.50000000000001    ->  1.000000000000000E+16 Inexact Rounded
       
  1265 addx1385 add 9999999999999999 0.5000000000001     ->  1.000000000000000E+16 Inexact Rounded
       
  1266 addx1386 add 9999999999999999 0.500000000001      ->  1.000000000000000E+16 Inexact Rounded
       
  1267 addx1387 add 9999999999999999 0.50000000001       ->  1.000000000000000E+16 Inexact Rounded
       
  1268 addx1388 add 9999999999999999 0.5000000001        ->  1.000000000000000E+16 Inexact Rounded
       
  1269 addx1389 add 9999999999999999 0.500000001         ->  1.000000000000000E+16 Inexact Rounded
       
  1270 addx1390 add 9999999999999999 0.50000001          ->  1.000000000000000E+16 Inexact Rounded
       
  1271 addx1391 add 9999999999999999 0.5000001           ->  1.000000000000000E+16 Inexact Rounded
       
  1272 addx1392 add 9999999999999999 0.500001            ->  1.000000000000000E+16 Inexact Rounded
       
  1273 addx1393 add 9999999999999999 0.50001             ->  1.000000000000000E+16 Inexact Rounded
       
  1274 addx1394 add 9999999999999999 0.5001              ->  1.000000000000000E+16 Inexact Rounded
       
  1275 addx1395 add 9999999999999999 0.501               ->  1.000000000000000E+16 Inexact Rounded
       
  1276 addx1396 add 9999999999999999 0.51                ->  1.000000000000000E+16 Inexact Rounded
       
  1277 
       
  1278 -- More GD edge cases, where difference between the unadjusted
       
  1279 -- exponents is larger than the maximum precision and one side is 0
       
  1280 precision:   15
       
  1281 rounding:    half_up
       
  1282 maxExponent: 384
       
  1283 minexponent: -383
       
  1284 
       
  1285 addx1400 add  0 1.23456789012345     -> 1.23456789012345
       
  1286 addx1401 add  0 1.23456789012345E-1  -> 0.123456789012345
       
  1287 addx1402 add  0 1.23456789012345E-2  -> 0.0123456789012345
       
  1288 addx1403 add  0 1.23456789012345E-3  -> 0.00123456789012345
       
  1289 addx1404 add  0 1.23456789012345E-4  -> 0.000123456789012345
       
  1290 addx1405 add  0 1.23456789012345E-5  -> 0.0000123456789012345
       
  1291 addx1406 add  0 1.23456789012345E-6  -> 0.00000123456789012345
       
  1292 addx1407 add  0 1.23456789012345E-7  -> 1.23456789012345E-7
       
  1293 addx1408 add  0 1.23456789012345E-8  -> 1.23456789012345E-8
       
  1294 addx1409 add  0 1.23456789012345E-9  -> 1.23456789012345E-9
       
  1295 addx1410 add  0 1.23456789012345E-10 -> 1.23456789012345E-10
       
  1296 addx1411 add  0 1.23456789012345E-11 -> 1.23456789012345E-11
       
  1297 addx1412 add  0 1.23456789012345E-12 -> 1.23456789012345E-12
       
  1298 addx1413 add  0 1.23456789012345E-13 -> 1.23456789012345E-13
       
  1299 addx1414 add  0 1.23456789012345E-14 -> 1.23456789012345E-14
       
  1300 addx1415 add  0 1.23456789012345E-15 -> 1.23456789012345E-15
       
  1301 addx1416 add  0 1.23456789012345E-16 -> 1.23456789012345E-16
       
  1302 addx1417 add  0 1.23456789012345E-17 -> 1.23456789012345E-17
       
  1303 addx1418 add  0 1.23456789012345E-18 -> 1.23456789012345E-18
       
  1304 addx1419 add  0 1.23456789012345E-19 -> 1.23456789012345E-19
       
  1305 
       
  1306 -- same, precision 16..
       
  1307 precision:   16
       
  1308 addx1420 add  0 1.123456789012345     -> 1.123456789012345
       
  1309 addx1421 add  0 1.123456789012345E-1  -> 0.1123456789012345
       
  1310 addx1422 add  0 1.123456789012345E-2  -> 0.01123456789012345
       
  1311 addx1423 add  0 1.123456789012345E-3  -> 0.001123456789012345
       
  1312 addx1424 add  0 1.123456789012345E-4  -> 0.0001123456789012345
       
  1313 addx1425 add  0 1.123456789012345E-5  -> 0.00001123456789012345
       
  1314 addx1426 add  0 1.123456789012345E-6  -> 0.000001123456789012345
       
  1315 addx1427 add  0 1.123456789012345E-7  -> 1.123456789012345E-7
       
  1316 addx1428 add  0 1.123456789012345E-8  -> 1.123456789012345E-8
       
  1317 addx1429 add  0 1.123456789012345E-9  -> 1.123456789012345E-9
       
  1318 addx1430 add  0 1.123456789012345E-10 -> 1.123456789012345E-10
       
  1319 addx1431 add  0 1.123456789012345E-11 -> 1.123456789012345E-11
       
  1320 addx1432 add  0 1.123456789012345E-12 -> 1.123456789012345E-12
       
  1321 addx1433 add  0 1.123456789012345E-13 -> 1.123456789012345E-13
       
  1322 addx1434 add  0 1.123456789012345E-14 -> 1.123456789012345E-14
       
  1323 addx1435 add  0 1.123456789012345E-15 -> 1.123456789012345E-15
       
  1324 addx1436 add  0 1.123456789012345E-16 -> 1.123456789012345E-16
       
  1325 addx1437 add  0 1.123456789012345E-17 -> 1.123456789012345E-17
       
  1326 addx1438 add  0 1.123456789012345E-18 -> 1.123456789012345E-18
       
  1327 addx1439 add  0 1.123456789012345E-19 -> 1.123456789012345E-19
       
  1328 
       
  1329 -- same, reversed 0
       
  1330 addx1440 add 1.123456789012345     0 -> 1.123456789012345
       
  1331 addx1441 add 1.123456789012345E-1  0 -> 0.1123456789012345
       
  1332 addx1442 add 1.123456789012345E-2  0 -> 0.01123456789012345
       
  1333 addx1443 add 1.123456789012345E-3  0 -> 0.001123456789012345
       
  1334 addx1444 add 1.123456789012345E-4  0 -> 0.0001123456789012345
       
  1335 addx1445 add 1.123456789012345E-5  0 -> 0.00001123456789012345
       
  1336 addx1446 add 1.123456789012345E-6  0 -> 0.000001123456789012345
       
  1337 addx1447 add 1.123456789012345E-7  0 -> 1.123456789012345E-7
       
  1338 addx1448 add 1.123456789012345E-8  0 -> 1.123456789012345E-8
       
  1339 addx1449 add 1.123456789012345E-9  0 -> 1.123456789012345E-9
       
  1340 addx1450 add 1.123456789012345E-10 0 -> 1.123456789012345E-10
       
  1341 addx1451 add 1.123456789012345E-11 0 -> 1.123456789012345E-11
       
  1342 addx1452 add 1.123456789012345E-12 0 -> 1.123456789012345E-12
       
  1343 addx1453 add 1.123456789012345E-13 0 -> 1.123456789012345E-13
       
  1344 addx1454 add 1.123456789012345E-14 0 -> 1.123456789012345E-14
       
  1345 addx1455 add 1.123456789012345E-15 0 -> 1.123456789012345E-15
       
  1346 addx1456 add 1.123456789012345E-16 0 -> 1.123456789012345E-16
       
  1347 addx1457 add 1.123456789012345E-17 0 -> 1.123456789012345E-17
       
  1348 addx1458 add 1.123456789012345E-18 0 -> 1.123456789012345E-18
       
  1349 addx1459 add 1.123456789012345E-19 0 -> 1.123456789012345E-19
       
  1350 
       
  1351 -- same, Es on the 0
       
  1352 addx1460 add 1.123456789012345  0E-0   -> 1.123456789012345
       
  1353 addx1461 add 1.123456789012345  0E-1   -> 1.123456789012345
       
  1354 addx1462 add 1.123456789012345  0E-2   -> 1.123456789012345
       
  1355 addx1463 add 1.123456789012345  0E-3   -> 1.123456789012345
       
  1356 addx1464 add 1.123456789012345  0E-4   -> 1.123456789012345
       
  1357 addx1465 add 1.123456789012345  0E-5   -> 1.123456789012345
       
  1358 addx1466 add 1.123456789012345  0E-6   -> 1.123456789012345
       
  1359 addx1467 add 1.123456789012345  0E-7   -> 1.123456789012345
       
  1360 addx1468 add 1.123456789012345  0E-8   -> 1.123456789012345
       
  1361 addx1469 add 1.123456789012345  0E-9   -> 1.123456789012345
       
  1362 addx1470 add 1.123456789012345  0E-10  -> 1.123456789012345
       
  1363 addx1471 add 1.123456789012345  0E-11  -> 1.123456789012345
       
  1364 addx1472 add 1.123456789012345  0E-12  -> 1.123456789012345
       
  1365 addx1473 add 1.123456789012345  0E-13  -> 1.123456789012345
       
  1366 addx1474 add 1.123456789012345  0E-14  -> 1.123456789012345
       
  1367 addx1475 add 1.123456789012345  0E-15  -> 1.123456789012345
       
  1368 -- next four flag Rounded because the 0 extends the result
       
  1369 addx1476 add 1.123456789012345  0E-16  -> 1.123456789012345 Rounded
       
  1370 addx1477 add 1.123456789012345  0E-17  -> 1.123456789012345 Rounded
       
  1371 addx1478 add 1.123456789012345  0E-18  -> 1.123456789012345 Rounded
       
  1372 addx1479 add 1.123456789012345  0E-19  -> 1.123456789012345 Rounded
       
  1373 
       
  1374 -- sum of two opposite-sign operands is exactly 0 and floor => -0
       
  1375 precision:   16
       
  1376 maxExponent: 384
       
  1377 minexponent: -383
       
  1378 
       
  1379 rounding:    half_up
       
  1380 -- exact zeros from zeros
       
  1381 addx1500 add  0        0E-19  ->  0E-19
       
  1382 addx1501 add -0        0E-19  ->  0E-19
       
  1383 addx1502 add  0       -0E-19  ->  0E-19
       
  1384 addx1503 add -0       -0E-19  -> -0E-19
       
  1385 addx1504 add  0E-400   0E-19  ->  0E-398 Clamped
       
  1386 addx1505 add -0E-400   0E-19  ->  0E-398 Clamped
       
  1387 addx1506 add  0E-400  -0E-19  ->  0E-398 Clamped
       
  1388 addx1507 add -0E-400  -0E-19  -> -0E-398 Clamped
       
  1389 -- inexact zeros
       
  1390 addx1511 add  1E-401   1E-400 ->  0E-398 Subnormal Inexact Rounded Underflow Clamped
       
  1391 addx1512 add -1E-401   1E-400 ->  0E-398 Subnormal Inexact Rounded Underflow Clamped
       
  1392 addx1513 add  1E-401  -1E-400 -> -0E-398 Subnormal Inexact Rounded Underflow Clamped
       
  1393 addx1514 add -1E-401  -1E-400 -> -0E-398 Subnormal Inexact Rounded Underflow Clamped
       
  1394 -- some exact zeros from non-zeros
       
  1395 addx1515 add  1E-401   1E-401 ->  0E-398 Subnormal Inexact Rounded Underflow Clamped
       
  1396 addx1516 add -1E-401   1E-401 ->  0E-398 Clamped
       
  1397 addx1517 add  1E-401  -1E-401 ->  0E-398 Clamped
       
  1398 addx1518 add -1E-401  -1E-401 -> -0E-398 Subnormal Inexact Rounded Underflow Clamped
       
  1399 
       
  1400 rounding:    half_down
       
  1401 -- exact zeros from zeros
       
  1402 addx1520 add  0        0E-19  ->  0E-19
       
  1403 addx1521 add -0        0E-19  ->  0E-19
       
  1404 addx1522 add  0       -0E-19  ->  0E-19
       
  1405 addx1523 add -0       -0E-19  -> -0E-19
       
  1406 addx1524 add  0E-400   0E-19  ->  0E-398 Clamped
       
  1407 addx1525 add -0E-400   0E-19  ->  0E-398 Clamped
       
  1408 addx1526 add  0E-400  -0E-19  ->  0E-398 Clamped
       
  1409 addx1527 add -0E-400  -0E-19  -> -0E-398 Clamped
       
  1410 -- inexact zeros
       
  1411 addx1531 add  1E-401   1E-400 ->  0E-398 Subnormal Inexact Rounded Underflow Clamped
       
  1412 addx1532 add -1E-401   1E-400 ->  0E-398 Subnormal Inexact Rounded Underflow Clamped
       
  1413 addx1533 add  1E-401  -1E-400 -> -0E-398 Subnormal Inexact Rounded Underflow Clamped
       
  1414 addx1534 add -1E-401  -1E-400 -> -0E-398 Subnormal Inexact Rounded Underflow Clamped
       
  1415 -- some exact zeros from non-zeros
       
  1416 addx1535 add  1E-401   1E-401 ->  0E-398 Subnormal Inexact Rounded Underflow Clamped
       
  1417 addx1536 add -1E-401   1E-401 ->  0E-398 Clamped
       
  1418 addx1537 add  1E-401  -1E-401 ->  0E-398 Clamped
       
  1419 addx1538 add -1E-401  -1E-401 -> -0E-398 Subnormal Inexact Rounded Underflow Clamped
       
  1420 
       
  1421 rounding:    half_even
       
  1422 -- exact zeros from zeros
       
  1423 addx1540 add  0        0E-19  ->  0E-19
       
  1424 addx1541 add -0        0E-19  ->  0E-19
       
  1425 addx1542 add  0       -0E-19  ->  0E-19
       
  1426 addx1543 add -0       -0E-19  -> -0E-19
       
  1427 addx1544 add  0E-400   0E-19  ->  0E-398 Clamped
       
  1428 addx1545 add -0E-400   0E-19  ->  0E-398 Clamped
       
  1429 addx1546 add  0E-400  -0E-19  ->  0E-398 Clamped
       
  1430 addx1547 add -0E-400  -0E-19  -> -0E-398 Clamped
       
  1431 -- inexact zeros
       
  1432 addx1551 add  1E-401   1E-400 ->  0E-398 Subnormal Inexact Rounded Underflow Clamped
       
  1433 addx1552 add -1E-401   1E-400 ->  0E-398 Subnormal Inexact Rounded Underflow Clamped
       
  1434 addx1553 add  1E-401  -1E-400 -> -0E-398 Subnormal Inexact Rounded Underflow Clamped
       
  1435 addx1554 add -1E-401  -1E-400 -> -0E-398 Subnormal Inexact Rounded Underflow Clamped
       
  1436 -- some exact zeros from non-zeros
       
  1437 addx1555 add  1E-401   1E-401 ->  0E-398 Subnormal Inexact Rounded Underflow Clamped
       
  1438 addx1556 add -1E-401   1E-401 ->  0E-398 Clamped
       
  1439 addx1557 add  1E-401  -1E-401 ->  0E-398 Clamped
       
  1440 addx1558 add -1E-401  -1E-401 -> -0E-398 Subnormal Inexact Rounded Underflow Clamped
       
  1441 
       
  1442 rounding:    up
       
  1443 -- exact zeros from zeros
       
  1444 addx1560 add  0        0E-19  ->  0E-19
       
  1445 addx1561 add -0        0E-19  ->  0E-19
       
  1446 addx1562 add  0       -0E-19  ->  0E-19
       
  1447 addx1563 add -0       -0E-19  -> -0E-19
       
  1448 addx1564 add  0E-400   0E-19  ->  0E-398 Clamped
       
  1449 addx1565 add -0E-400   0E-19  ->  0E-398 Clamped
       
  1450 addx1566 add  0E-400  -0E-19  ->  0E-398 Clamped
       
  1451 addx1567 add -0E-400  -0E-19  -> -0E-398 Clamped
       
  1452 -- inexact zeros
       
  1453 addx1571 add  1E-401   1E-400 ->  1E-398 Subnormal Inexact Rounded Underflow
       
  1454 addx1572 add -1E-401   1E-400 ->  1E-398 Subnormal Inexact Rounded Underflow
       
  1455 addx1573 add  1E-401  -1E-400 -> -1E-398 Subnormal Inexact Rounded Underflow
       
  1456 addx1574 add -1E-401  -1E-400 -> -1E-398 Subnormal Inexact Rounded Underflow
       
  1457 -- some exact zeros from non-zeros
       
  1458 addx1575 add  1E-401   1E-401 ->  1E-398 Subnormal Inexact Rounded Underflow
       
  1459 addx1576 add -1E-401   1E-401 ->  0E-398 Clamped
       
  1460 addx1577 add  1E-401  -1E-401 ->  0E-398 Clamped
       
  1461 addx1578 add -1E-401  -1E-401 -> -1E-398 Subnormal Inexact Rounded Underflow
       
  1462 
       
  1463 rounding:    down
       
  1464 -- exact zeros from zeros
       
  1465 addx1580 add  0        0E-19  ->  0E-19
       
  1466 addx1581 add -0        0E-19  ->  0E-19
       
  1467 addx1582 add  0       -0E-19  ->  0E-19
       
  1468 addx1583 add -0       -0E-19  -> -0E-19
       
  1469 addx1584 add  0E-400   0E-19  ->  0E-398 Clamped
       
  1470 addx1585 add -0E-400   0E-19  ->  0E-398 Clamped
       
  1471 addx1586 add  0E-400  -0E-19  ->  0E-398 Clamped
       
  1472 addx1587 add -0E-400  -0E-19  -> -0E-398 Clamped
       
  1473 -- inexact zeros
       
  1474 addx1591 add  1E-401   1E-400 ->  0E-398 Subnormal Inexact Rounded Underflow Clamped
       
  1475 addx1592 add -1E-401   1E-400 ->  0E-398 Subnormal Inexact Rounded Underflow Clamped
       
  1476 addx1593 add  1E-401  -1E-400 -> -0E-398 Subnormal Inexact Rounded Underflow Clamped
       
  1477 addx1594 add -1E-401  -1E-400 -> -0E-398 Subnormal Inexact Rounded Underflow Clamped
       
  1478 -- some exact zeros from non-zeros
       
  1479 addx1595 add  1E-401   1E-401 ->  0E-398 Subnormal Inexact Rounded Underflow Clamped
       
  1480 addx1596 add -1E-401   1E-401 ->  0E-398 Clamped
       
  1481 addx1597 add  1E-401  -1E-401 ->  0E-398 Clamped
       
  1482 addx1598 add -1E-401  -1E-401 -> -0E-398 Subnormal Inexact Rounded Underflow Clamped
       
  1483 
       
  1484 rounding:    ceiling
       
  1485 -- exact zeros from zeros
       
  1486 addx1600 add  0        0E-19  ->  0E-19
       
  1487 addx1601 add -0        0E-19  ->  0E-19
       
  1488 addx1602 add  0       -0E-19  ->  0E-19
       
  1489 addx1603 add -0       -0E-19  -> -0E-19
       
  1490 addx1604 add  0E-400   0E-19  ->  0E-398 Clamped
       
  1491 addx1605 add -0E-400   0E-19  ->  0E-398 Clamped
       
  1492 addx1606 add  0E-400  -0E-19  ->  0E-398 Clamped
       
  1493 addx1607 add -0E-400  -0E-19  -> -0E-398 Clamped
       
  1494 -- inexact zeros
       
  1495 addx1611 add  1E-401   1E-400 ->  1E-398 Subnormal Inexact Rounded Underflow
       
  1496 addx1612 add -1E-401   1E-400 ->  1E-398 Subnormal Inexact Rounded Underflow
       
  1497 addx1613 add  1E-401  -1E-400 -> -0E-398 Subnormal Inexact Rounded Underflow Clamped
       
  1498 addx1614 add -1E-401  -1E-400 -> -0E-398 Subnormal Inexact Rounded Underflow Clamped
       
  1499 -- some exact zeros from non-zeros
       
  1500 addx1615 add  1E-401   1E-401 ->  1E-398 Subnormal Inexact Rounded Underflow
       
  1501 addx1616 add -1E-401   1E-401 ->  0E-398 Clamped
       
  1502 addx1617 add  1E-401  -1E-401 ->  0E-398 Clamped
       
  1503 addx1618 add -1E-401  -1E-401 -> -0E-398 Subnormal Inexact Rounded Underflow Clamped
       
  1504 
       
  1505 -- and the extra-special ugly case; unusual minuses marked by -- *
       
  1506 rounding:    floor
       
  1507 -- exact zeros from zeros
       
  1508 addx1620 add  0        0E-19  ->  0E-19
       
  1509 addx1621 add -0        0E-19  -> -0E-19           -- *
       
  1510 addx1622 add  0       -0E-19  -> -0E-19           -- *
       
  1511 addx1623 add -0       -0E-19  -> -0E-19
       
  1512 addx1624 add  0E-400   0E-19  ->  0E-398 Clamped
       
  1513 addx1625 add -0E-400   0E-19  -> -0E-398 Clamped  -- *
       
  1514 addx1626 add  0E-400  -0E-19  -> -0E-398 Clamped  -- *
       
  1515 addx1627 add -0E-400  -0E-19  -> -0E-398 Clamped
       
  1516 -- inexact zeros
       
  1517 addx1631 add  1E-401   1E-400 ->  0E-398 Subnormal Inexact Rounded Underflow Clamped
       
  1518 addx1632 add -1E-401   1E-400 ->  0E-398 Subnormal Inexact Rounded Underflow Clamped
       
  1519 addx1633 add  1E-401  -1E-400 -> -1E-398 Subnormal Inexact Rounded Underflow
       
  1520 addx1634 add -1E-401  -1E-400 -> -1E-398 Subnormal Inexact Rounded Underflow
       
  1521 -- some exact zeros from non-zeros
       
  1522 addx1635 add  1E-401   1E-401 ->  0E-398 Subnormal Inexact Rounded Underflow Clamped
       
  1523 addx1636 add -1E-401   1E-401 -> -0E-398 Clamped  -- *
       
  1524 addx1637 add  1E-401  -1E-401 -> -0E-398 Clamped  -- *
       
  1525 addx1638 add -1E-401  -1E-401 -> -1E-398 Subnormal Inexact Rounded Underflow
       
  1526 
       
  1527 -- BigDecimal problem testcases 2006.01.23
       
  1528 precision:   16
       
  1529 maxExponent: 384
       
  1530 minexponent: -383
       
  1531 
       
  1532 rounding:  down
       
  1533 precision: 7
       
  1534 addx1651 add  10001E+2  -2E+1 -> 1.00008E+6
       
  1535 precision: 6
       
  1536 addx1652 add  10001E+2  -2E+1 -> 1.00008E+6
       
  1537 precision: 5
       
  1538 addx1653 add  10001E+2  -2E+1 -> 1.0000E+6   Inexact Rounded
       
  1539 precision: 4
       
  1540 addx1654 add  10001E+2  -2E+1 -> 1.000E+6    Inexact Rounded
       
  1541 precision: 3
       
  1542 addx1655 add  10001E+2  -2E+1 -> 1.00E+6     Inexact Rounded
       
  1543 precision: 2
       
  1544 addx1656 add  10001E+2  -2E+1 -> 1.0E+6      Inexact Rounded
       
  1545 precision: 1
       
  1546 addx1657 add  10001E+2  -2E+1 -> 1E+6        Inexact Rounded
       
  1547 
       
  1548 rounding:  half_even
       
  1549 precision: 7
       
  1550 addx1661 add  10001E+2  -2E+1 -> 1.00008E+6
       
  1551 precision: 6
       
  1552 addx1662 add  10001E+2  -2E+1 -> 1.00008E+6
       
  1553 precision: 5
       
  1554 addx1663 add  10001E+2  -2E+1 -> 1.0001E+6   Inexact Rounded
       
  1555 precision: 4
       
  1556 addx1664 add  10001E+2  -2E+1 -> 1.000E+6    Inexact Rounded
       
  1557 precision: 3
       
  1558 addx1665 add  10001E+2  -2E+1 -> 1.00E+6     Inexact Rounded
       
  1559 precision: 2
       
  1560 addx1666 add  10001E+2  -2E+1 -> 1.0E+6      Inexact Rounded
       
  1561 precision: 1
       
  1562 addx1667 add  10001E+2  -2E+1 -> 1E+6        Inexact Rounded
       
  1563 
       
  1564 rounding:  up
       
  1565 precision: 7
       
  1566 addx1671 add  10001E+2  -2E+1 -> 1.00008E+6
       
  1567 precision: 6
       
  1568 addx1672 add  10001E+2  -2E+1 -> 1.00008E+6
       
  1569 precision: 5
       
  1570 addx1673 add  10001E+2  -2E+1 -> 1.0001E+6   Inexact Rounded
       
  1571 precision: 4
       
  1572 addx1674 add  10001E+2  -2E+1 -> 1.001E+6    Inexact Rounded
       
  1573 precision: 3
       
  1574 addx1675 add  10001E+2  -2E+1 -> 1.01E+6     Inexact Rounded
       
  1575 precision: 2
       
  1576 addx1676 add  10001E+2  -2E+1 -> 1.1E+6      Inexact Rounded
       
  1577 precision: 1
       
  1578 addx1677 add  10001E+2  -2E+1 -> 2E+6        Inexact Rounded
       
  1579 
       
  1580 precision:   34
       
  1581 rounding:    half_up
       
  1582 maxExponent: 6144
       
  1583 minExponent: -6143
       
  1584 -- Examples from SQL proposal (Krishna Kulkarni)
       
  1585 addx1701  add 130E-2    120E-2    -> 2.50
       
  1586 addx1702  add 130E-2    12E-1     -> 2.50
       
  1587 addx1703  add 130E-2    1E0       -> 2.30
       
  1588 addx1704  add 1E2       1E4       -> 1.01E+4
       
  1589 addx1705  subtract 130E-2  120E-2 -> 0.10
       
  1590 addx1706  subtract 130E-2  12E-1  -> 0.10
       
  1591 addx1707  subtract 130E-2  1E0    -> 0.30
       
  1592 addx1708  subtract 1E2     1E4    -> -9.9E+3
       
  1593 
       
  1594 ------------------------------------------------------------------------
       
  1595 -- Same as above, using decimal64 default parameters                  --
       
  1596 ------------------------------------------------------------------------
       
  1597 precision:   16
       
  1598 rounding:    half_even
       
  1599 maxExponent: 384
       
  1600 minexponent: -383
       
  1601 
       
  1602 -- [first group are 'quick confidence check']
       
  1603 addx6001 add 1       1       ->  2
       
  1604 addx6002 add 2       3       ->  5
       
  1605 addx6003 add '5.75'  '3.3'   ->  9.05
       
  1606 addx6004 add '5'     '-3'    ->  2
       
  1607 addx6005 add '-5'    '-3'    ->  -8
       
  1608 addx6006 add '-7'    '2.5'   ->  -4.5
       
  1609 addx6007 add '0.7'   '0.3'   ->  1.0
       
  1610 addx6008 add '1.25'  '1.25'  ->  2.50
       
  1611 addx6009 add '1.23456789'  '1.00000000' -> '2.23456789'
       
  1612 addx6010 add '1.23456789'  '1.00000011' -> '2.23456800'
       
  1613 
       
  1614 addx6011 add '0.44444444444444444'  '0.55555555555555555' -> '1.000000000000000' Inexact Rounded
       
  1615 addx6012 add '0.44444444444444440'  '0.55555555555555555' -> '1.000000000000000' Inexact Rounded
       
  1616 addx6013 add '0.44444444444444444'  '0.55555555555555550' -> '0.9999999999999999' Inexact Rounded
       
  1617 addx6014 add '0.444444444444444449'    '0' -> '0.4444444444444444' Inexact Rounded
       
  1618 addx6015 add '0.4444444444444444499'   '0' -> '0.4444444444444444' Inexact Rounded
       
  1619 addx6016 add '0.44444444444444444999'  '0' -> '0.4444444444444444' Inexact Rounded
       
  1620 addx6017 add '0.44444444444444445000'  '0' -> '0.4444444444444444' Inexact Rounded
       
  1621 addx6018 add '0.44444444444444445001'  '0' -> '0.4444444444444445' Inexact Rounded
       
  1622 addx6019 add '0.4444444444444444501'   '0' -> '0.4444444444444445' Inexact Rounded
       
  1623 addx6020 add '0.444444444444444451'    '0' -> '0.4444444444444445' Inexact Rounded
       
  1624 
       
  1625 addx6021 add 0 1 -> 1
       
  1626 addx6022 add 1 1 -> 2
       
  1627 addx6023 add 2 1 -> 3
       
  1628 addx6024 add 3 1 -> 4
       
  1629 addx6025 add 4 1 -> 5
       
  1630 addx6026 add 5 1 -> 6
       
  1631 addx6027 add 6 1 -> 7
       
  1632 addx6028 add 7 1 -> 8
       
  1633 addx6029 add 8 1 -> 9
       
  1634 addx6030 add 9 1 -> 10
       
  1635 
       
  1636 -- some carrying effects
       
  1637 addx6031 add '0.9998'  '0.0000' -> '0.9998'
       
  1638 addx6032 add '0.9998'  '0.0001' -> '0.9999'
       
  1639 addx6033 add '0.9998'  '0.0002' -> '1.0000'
       
  1640 addx6034 add '0.9998'  '0.0003' -> '1.0001'
       
  1641 
       
  1642 addx6035 add '70'      '10000e+16' -> '1.000000000000000E+20' Inexact Rounded
       
  1643 addx6036 add '700'     '10000e+16' -> '1.000000000000000E+20' Inexact Rounded
       
  1644 addx6037 add '7000'    '10000e+16' -> '1.000000000000000E+20' Inexact Rounded
       
  1645 addx6038 add '70000'   '10000e+16' -> '1.000000000000001E+20' Inexact Rounded
       
  1646 addx6039 add '700000'  '10000e+16' -> '1.000000000000007E+20' Rounded
       
  1647 
       
  1648 -- symmetry:
       
  1649 addx6040 add '10000e+16'  '70' -> '1.000000000000000E+20' Inexact Rounded
       
  1650 addx6041 add '10000e+16'  '700' -> '1.000000000000000E+20' Inexact Rounded
       
  1651 addx6042 add '10000e+16'  '7000' -> '1.000000000000000E+20' Inexact Rounded
       
  1652 addx6044 add '10000e+16'  '70000' -> '1.000000000000001E+20' Inexact Rounded
       
  1653 addx6045 add '10000e+16'  '700000' -> '1.000000000000007E+20' Rounded
       
  1654 
       
  1655 addx6046 add '10000e+9'  '7' -> '10000000000007'
       
  1656 addx6047 add '10000e+9'  '70' -> '10000000000070'
       
  1657 addx6048 add '10000e+9'  '700' -> '10000000000700'
       
  1658 addx6049 add '10000e+9'  '7000' -> '10000000007000'
       
  1659 addx6050 add '10000e+9'  '70000' -> '10000000070000'
       
  1660 addx6051 add '10000e+9'  '700000' -> '10000000700000'
       
  1661 
       
  1662 -- examples from decarith
       
  1663 addx6053 add '12' '7.00' -> '19.00'
       
  1664 addx6054 add '1.3' '-1.07' -> '0.23'
       
  1665 addx6055 add '1.3' '-1.30' -> '0.00'
       
  1666 addx6056 add '1.3' '-2.07' -> '-0.77'
       
  1667 addx6057 add '1E+2' '1E+4' -> '1.01E+4'
       
  1668 
       
  1669 -- from above
       
  1670 addx6060 add 1 '0.1' -> '1.1'
       
  1671 addx6061 add 1 '0.01' -> '1.01'
       
  1672 addx6062 add 1 '0.001' -> '1.001'
       
  1673 addx6063 add 1 '0.0001' -> '1.0001'
       
  1674 addx6064 add 1 '0.00001' -> '1.00001'
       
  1675 addx6065 add 1 '0.000001' -> '1.000001'
       
  1676 addx6066 add 1 '0.0000001' -> '1.0000001'
       
  1677 addx6067 add 1 '0.00000001' -> '1.00000001'
       
  1678 
       
  1679 -- cancellation to integer
       
  1680 addx6068 add 99999999999999123456789 -99999999999999E+9 -> 123456789
       
  1681 -- similar from FMA fun
       
  1682 addx6069 add "-1234567890123455.234567890123454" "1234567890123456" -> 0.765432109876546
       
  1683 
       
  1684 -- some funny zeros [in case of bad signum]
       
  1685 addx6070 add 1  0    -> 1
       
  1686 addx6071 add 1 0.    -> 1
       
  1687 addx6072 add 1  .0   -> 1.0
       
  1688 addx6073 add 1 0.0   -> 1.0
       
  1689 addx6074 add 1 0.00  -> 1.00
       
  1690 addx6075 add  0  1   -> 1
       
  1691 addx6076 add 0.  1   -> 1
       
  1692 addx6077 add  .0 1   -> 1.0
       
  1693 addx6078 add 0.0 1   -> 1.0
       
  1694 addx6079 add 0.00 1  -> 1.00
       
  1695 
       
  1696 -- some carries
       
  1697 addx6080 add 9999999999999998 1  -> 9999999999999999
       
  1698 addx6081 add 9999999999999999 1  -> 1.000000000000000E+16 Rounded
       
  1699 addx6082 add  999999999999999 1  -> 1000000000000000
       
  1700 addx6083 add    9999999999999 1  -> 10000000000000
       
  1701 addx6084 add      99999999999 1  -> 100000000000
       
  1702 addx6085 add        999999999 1  -> 1000000000
       
  1703 addx6086 add          9999999 1  -> 10000000
       
  1704 addx6087 add            99999 1  -> 100000
       
  1705 addx6088 add              999 1  -> 1000
       
  1706 addx6089 add                9 1  -> 10
       
  1707 
       
  1708 
       
  1709 -- more LHS swaps
       
  1710 addx6090 add '-56267E-10'   0 ->  '-0.0000056267'
       
  1711 addx6091 add '-56267E-6'    0 ->  '-0.056267'
       
  1712 addx6092 add '-56267E-5'    0 ->  '-0.56267'
       
  1713 addx6093 add '-56267E-4'    0 ->  '-5.6267'
       
  1714 addx6094 add '-56267E-3'    0 ->  '-56.267'
       
  1715 addx6095 add '-56267E-2'    0 ->  '-562.67'
       
  1716 addx6096 add '-56267E-1'    0 ->  '-5626.7'
       
  1717 addx6097 add '-56267E-0'    0 ->  '-56267'
       
  1718 addx6098 add '-5E-10'       0 ->  '-5E-10'
       
  1719 addx6099 add '-5E-7'        0 ->  '-5E-7'
       
  1720 addx6100 add '-5E-6'        0 ->  '-0.000005'
       
  1721 addx6101 add '-5E-5'        0 ->  '-0.00005'
       
  1722 addx6102 add '-5E-4'        0 ->  '-0.0005'
       
  1723 addx6103 add '-5E-1'        0 ->  '-0.5'
       
  1724 addx6104 add '-5E0'         0 ->  '-5'
       
  1725 addx6105 add '-5E1'         0 ->  '-50'
       
  1726 addx6106 add '-5E5'         0 ->  '-500000'
       
  1727 addx6107 add '-5E15'        0 ->  '-5000000000000000'
       
  1728 addx6108 add '-5E16'        0 ->  '-5.000000000000000E+16'   Rounded
       
  1729 addx6109 add '-5E17'        0 ->  '-5.000000000000000E+17'  Rounded
       
  1730 addx6110 add '-5E18'        0 ->  '-5.000000000000000E+18'  Rounded
       
  1731 addx6111 add '-5E100'       0 ->  '-5.000000000000000E+100' Rounded
       
  1732 
       
  1733 -- more RHS swaps
       
  1734 addx6113 add 0  '-56267E-10' ->  '-0.0000056267'
       
  1735 addx6114 add 0  '-56267E-6'  ->  '-0.056267'
       
  1736 addx6116 add 0  '-56267E-5'  ->  '-0.56267'
       
  1737 addx6117 add 0  '-56267E-4'  ->  '-5.6267'
       
  1738 addx6119 add 0  '-56267E-3'  ->  '-56.267'
       
  1739 addx6120 add 0  '-56267E-2'  ->  '-562.67'
       
  1740 addx6121 add 0  '-56267E-1'  ->  '-5626.7'
       
  1741 addx6122 add 0  '-56267E-0'  ->  '-56267'
       
  1742 addx6123 add 0  '-5E-10'     ->  '-5E-10'
       
  1743 addx6124 add 0  '-5E-7'      ->  '-5E-7'
       
  1744 addx6125 add 0  '-5E-6'      ->  '-0.000005'
       
  1745 addx6126 add 0  '-5E-5'      ->  '-0.00005'
       
  1746 addx6127 add 0  '-5E-4'      ->  '-0.0005'
       
  1747 addx6128 add 0  '-5E-1'      ->  '-0.5'
       
  1748 addx6129 add 0  '-5E0'       ->  '-5'
       
  1749 addx6130 add 0  '-5E1'       ->  '-50'
       
  1750 addx6131 add 0  '-5E5'       ->  '-500000'
       
  1751 addx6132 add 0  '-5E15'      ->  '-5000000000000000'
       
  1752 addx6133 add 0  '-5E16'      ->  '-5.000000000000000E+16'   Rounded
       
  1753 addx6134 add 0  '-5E17'      ->  '-5.000000000000000E+17'   Rounded
       
  1754 addx6135 add 0  '-5E18'      ->  '-5.000000000000000E+18'   Rounded
       
  1755 addx6136 add 0  '-5E100'     ->  '-5.000000000000000E+100'  Rounded
       
  1756 
       
  1757 -- related
       
  1758 addx6137 add  1  '0E-19'      ->  '1.000000000000000'  Rounded
       
  1759 addx6138 add -1  '0E-19'      ->  '-1.000000000000000' Rounded
       
  1760 addx6139 add '0E-19' 1        ->  '1.000000000000000'  Rounded
       
  1761 addx6140 add '0E-19' -1       ->  '-1.000000000000000' Rounded
       
  1762 addx6141 add 1E+11   0.0000   ->  '100000000000.0000'
       
  1763 addx6142 add 1E+11   0.00000  ->  '100000000000.0000'  Rounded
       
  1764 addx6143 add 0.000   1E+12    ->  '1000000000000.000'
       
  1765 addx6144 add 0.0000  1E+12    ->  '1000000000000.000'  Rounded
       
  1766 
       
  1767 -- [some of the next group are really constructor tests]
       
  1768 addx6146 add '00.0'  0       ->  '0.0'
       
  1769 addx6147 add '0.00'  0       ->  '0.00'
       
  1770 addx6148 add  0      '0.00'  ->  '0.00'
       
  1771 addx6149 add  0      '00.0'  ->  '0.0'
       
  1772 addx6150 add '00.0'  '0.00'  ->  '0.00'
       
  1773 addx6151 add '0.00'  '00.0'  ->  '0.00'
       
  1774 addx6152 add '3'     '.3'    ->  '3.3'
       
  1775 addx6153 add '3.'    '.3'    ->  '3.3'
       
  1776 addx6154 add '3.0'   '.3'    ->  '3.3'
       
  1777 addx6155 add '3.00'  '.3'    ->  '3.30'
       
  1778 addx6156 add '3'     '3'     ->  '6'
       
  1779 addx6157 add '3'     '+3'    ->  '6'
       
  1780 addx6158 add '3'     '-3'    ->  '0'
       
  1781 addx6159 add '0.3'   '-0.3'  ->  '0.0'
       
  1782 addx6160 add '0.03'  '-0.03' ->  '0.00'
       
  1783 
       
  1784 -- try borderline precision, with carries, etc.
       
  1785 addx6161 add '1E+13' '-1'    -> '9999999999999'
       
  1786 addx6162 add '1E+13'  '1.11' -> '10000000000001.11'
       
  1787 addx6163 add '1.11'  '1E+13' -> '10000000000001.11'
       
  1788 addx6164 add '-1'    '1E+13' -> '9999999999999'
       
  1789 addx6165 add '7E+13' '-1'    -> '69999999999999'
       
  1790 addx6166 add '7E+13'  '1.11' -> '70000000000001.11'
       
  1791 addx6167 add '1.11'  '7E+13' -> '70000000000001.11'
       
  1792 addx6168 add '-1'    '7E+13' -> '69999999999999'
       
  1793 
       
  1794 --             1234567890123456      1234567890123456      1 234567890123456
       
  1795 addx6170 add '0.4444444444444444'  '0.5555555555555563' -> '1.000000000000001' Inexact Rounded
       
  1796 addx6171 add '0.4444444444444444'  '0.5555555555555562' -> '1.000000000000001' Inexact Rounded
       
  1797 addx6172 add '0.4444444444444444'  '0.5555555555555561' -> '1.000000000000000' Inexact Rounded
       
  1798 addx6173 add '0.4444444444444444'  '0.5555555555555560' -> '1.000000000000000' Inexact Rounded
       
  1799 addx6174 add '0.4444444444444444'  '0.5555555555555559' -> '1.000000000000000' Inexact Rounded
       
  1800 addx6175 add '0.4444444444444444'  '0.5555555555555558' -> '1.000000000000000' Inexact Rounded
       
  1801 addx6176 add '0.4444444444444444'  '0.5555555555555557' -> '1.000000000000000' Inexact Rounded
       
  1802 addx6177 add '0.4444444444444444'  '0.5555555555555556' -> '1.000000000000000' Rounded
       
  1803 addx6178 add '0.4444444444444444'  '0.5555555555555555' -> '0.9999999999999999'
       
  1804 addx6179 add '0.4444444444444444'  '0.5555555555555554' -> '0.9999999999999998'
       
  1805 addx6180 add '0.4444444444444444'  '0.5555555555555553' -> '0.9999999999999997'
       
  1806 addx6181 add '0.4444444444444444'  '0.5555555555555552' -> '0.9999999999999996'
       
  1807 addx6182 add '0.4444444444444444'  '0.5555555555555551' -> '0.9999999999999995'
       
  1808 addx6183 add '0.4444444444444444'  '0.5555555555555550' -> '0.9999999999999994'
       
  1809 
       
  1810 -- and some more, including residue effects and different roundings
       
  1811 rounding: half_up
       
  1812 addx6200 add '6543210123456789' 0             -> '6543210123456789'
       
  1813 addx6201 add '6543210123456789' 0.000000001   -> '6543210123456789' Inexact Rounded
       
  1814 addx6202 add '6543210123456789' 0.000001      -> '6543210123456789' Inexact Rounded
       
  1815 addx6203 add '6543210123456789' 0.1           -> '6543210123456789' Inexact Rounded
       
  1816 addx6204 add '6543210123456789' 0.4           -> '6543210123456789' Inexact Rounded
       
  1817 addx6205 add '6543210123456789' 0.49          -> '6543210123456789' Inexact Rounded
       
  1818 addx6206 add '6543210123456789' 0.499999      -> '6543210123456789' Inexact Rounded
       
  1819 addx6207 add '6543210123456789' 0.499999999   -> '6543210123456789' Inexact Rounded
       
  1820 addx6208 add '6543210123456789' 0.5           -> '6543210123456790' Inexact Rounded
       
  1821 addx6209 add '6543210123456789' 0.500000001   -> '6543210123456790' Inexact Rounded
       
  1822 addx6210 add '6543210123456789' 0.500001      -> '6543210123456790' Inexact Rounded
       
  1823 addx6211 add '6543210123456789' 0.51          -> '6543210123456790' Inexact Rounded
       
  1824 addx6212 add '6543210123456789' 0.6           -> '6543210123456790' Inexact Rounded
       
  1825 addx6213 add '6543210123456789' 0.9           -> '6543210123456790' Inexact Rounded
       
  1826 addx6214 add '6543210123456789' 0.99999       -> '6543210123456790' Inexact Rounded
       
  1827 addx6215 add '6543210123456789' 0.999999999   -> '6543210123456790' Inexact Rounded
       
  1828 addx6216 add '6543210123456789' 1             -> '6543210123456790'
       
  1829 addx6217 add '6543210123456789' 1.000000001   -> '6543210123456790' Inexact Rounded
       
  1830 addx6218 add '6543210123456789' 1.00001       -> '6543210123456790' Inexact Rounded
       
  1831 addx6219 add '6543210123456789' 1.1           -> '6543210123456790' Inexact Rounded
       
  1832 
       
  1833 rounding: half_even
       
  1834 addx6220 add '6543210123456789' 0             -> '6543210123456789'
       
  1835 addx6221 add '6543210123456789' 0.000000001   -> '6543210123456789' Inexact Rounded
       
  1836 addx6222 add '6543210123456789' 0.000001      -> '6543210123456789' Inexact Rounded
       
  1837 addx6223 add '6543210123456789' 0.1           -> '6543210123456789' Inexact Rounded
       
  1838 addx6224 add '6543210123456789' 0.4           -> '6543210123456789' Inexact Rounded
       
  1839 addx6225 add '6543210123456789' 0.49          -> '6543210123456789' Inexact Rounded
       
  1840 addx6226 add '6543210123456789' 0.499999      -> '6543210123456789' Inexact Rounded
       
  1841 addx6227 add '6543210123456789' 0.499999999   -> '6543210123456789' Inexact Rounded
       
  1842 addx6228 add '6543210123456789' 0.5           -> '6543210123456790' Inexact Rounded
       
  1843 addx6229 add '6543210123456789' 0.500000001   -> '6543210123456790' Inexact Rounded
       
  1844 addx6230 add '6543210123456789' 0.500001      -> '6543210123456790' Inexact Rounded
       
  1845 addx6231 add '6543210123456789' 0.51          -> '6543210123456790' Inexact Rounded
       
  1846 addx6232 add '6543210123456789' 0.6           -> '6543210123456790' Inexact Rounded
       
  1847 addx6233 add '6543210123456789' 0.9           -> '6543210123456790' Inexact Rounded
       
  1848 addx6234 add '6543210123456789' 0.99999       -> '6543210123456790' Inexact Rounded
       
  1849 addx6235 add '6543210123456789' 0.999999999   -> '6543210123456790' Inexact Rounded
       
  1850 addx6236 add '6543210123456789' 1             -> '6543210123456790'
       
  1851 addx6237 add '6543210123456789' 1.00000001    -> '6543210123456790' Inexact Rounded
       
  1852 addx6238 add '6543210123456789' 1.00001       -> '6543210123456790' Inexact Rounded
       
  1853 addx6239 add '6543210123456789' 1.1           -> '6543210123456790' Inexact Rounded
       
  1854 -- critical few with even bottom digit...
       
  1855 addx6240 add '6543210123456788' 0.499999999   -> '6543210123456788' Inexact Rounded
       
  1856 addx6241 add '6543210123456788' 0.5           -> '6543210123456788' Inexact Rounded
       
  1857 addx6242 add '6543210123456788' 0.500000001   -> '6543210123456789' Inexact Rounded
       
  1858 
       
  1859 rounding: down
       
  1860 addx6250 add '6543210123456789' 0             -> '6543210123456789'
       
  1861 addx6251 add '6543210123456789' 0.000000001   -> '6543210123456789' Inexact Rounded
       
  1862 addx6252 add '6543210123456789' 0.000001      -> '6543210123456789' Inexact Rounded
       
  1863 addx6253 add '6543210123456789' 0.1           -> '6543210123456789' Inexact Rounded
       
  1864 addx6254 add '6543210123456789' 0.4           -> '6543210123456789' Inexact Rounded
       
  1865 addx6255 add '6543210123456789' 0.49          -> '6543210123456789' Inexact Rounded
       
  1866 addx6256 add '6543210123456789' 0.499999      -> '6543210123456789' Inexact Rounded
       
  1867 addx6257 add '6543210123456789' 0.499999999   -> '6543210123456789' Inexact Rounded
       
  1868 addx6258 add '6543210123456789' 0.5           -> '6543210123456789' Inexact Rounded
       
  1869 addx6259 add '6543210123456789' 0.500000001   -> '6543210123456789' Inexact Rounded
       
  1870 addx6260 add '6543210123456789' 0.500001      -> '6543210123456789' Inexact Rounded
       
  1871 addx6261 add '6543210123456789' 0.51          -> '6543210123456789' Inexact Rounded
       
  1872 addx6262 add '6543210123456789' 0.6           -> '6543210123456789' Inexact Rounded
       
  1873 addx6263 add '6543210123456789' 0.9           -> '6543210123456789' Inexact Rounded
       
  1874 addx6264 add '6543210123456789' 0.99999       -> '6543210123456789' Inexact Rounded
       
  1875 addx6265 add '6543210123456789' 0.999999999   -> '6543210123456789' Inexact Rounded
       
  1876 addx6266 add '6543210123456789' 1             -> '6543210123456790'
       
  1877 addx6267 add '6543210123456789' 1.00000001    -> '6543210123456790' Inexact Rounded
       
  1878 addx6268 add '6543210123456789' 1.00001       -> '6543210123456790' Inexact Rounded
       
  1879 addx6269 add '6543210123456789' 1.1           -> '6543210123456790' Inexact Rounded
       
  1880 
       
  1881 -- 1 in last place tests
       
  1882 rounding: half_even
       
  1883 addx6301 add  -1   1      ->   0
       
  1884 addx6302 add   0   1      ->   1
       
  1885 addx6303 add   1   1      ->   2
       
  1886 addx6304 add  12   1      ->  13
       
  1887 addx6305 add  98   1      ->  99
       
  1888 addx6306 add  99   1      -> 100
       
  1889 addx6307 add 100   1      -> 101
       
  1890 addx6308 add 101   1      -> 102
       
  1891 addx6309 add  -1  -1      ->  -2
       
  1892 addx6310 add   0  -1      ->  -1
       
  1893 addx6311 add   1  -1      ->   0
       
  1894 addx6312 add  12  -1      ->  11
       
  1895 addx6313 add  98  -1      ->  97
       
  1896 addx6314 add  99  -1      ->  98
       
  1897 addx6315 add 100  -1      ->  99
       
  1898 addx6316 add 101  -1      -> 100
       
  1899 
       
  1900 addx6321 add -0.01  0.01    ->  0.00
       
  1901 addx6322 add  0.00  0.01    ->  0.01
       
  1902 addx6323 add  0.01  0.01    ->  0.02
       
  1903 addx6324 add  0.12  0.01    ->  0.13
       
  1904 addx6325 add  0.98  0.01    ->  0.99
       
  1905 addx6326 add  0.99  0.01    ->  1.00
       
  1906 addx6327 add  1.00  0.01    ->  1.01
       
  1907 addx6328 add  1.01  0.01    ->  1.02
       
  1908 addx6329 add -0.01 -0.01    -> -0.02
       
  1909 addx6330 add  0.00 -0.01    -> -0.01
       
  1910 addx6331 add  0.01 -0.01    ->  0.00
       
  1911 addx6332 add  0.12 -0.01    ->  0.11
       
  1912 addx6333 add  0.98 -0.01    ->  0.97
       
  1913 addx6334 add  0.99 -0.01    ->  0.98
       
  1914 addx6335 add  1.00 -0.01    ->  0.99
       
  1915 addx6336 add  1.01 -0.01    ->  1.00
       
  1916 
       
  1917 -- some more cases where adding 0 affects the coefficient
       
  1918 addx6340 add 1E+3    0    ->         1000
       
  1919 addx6341 add 1E+15   0    ->    1000000000000000
       
  1920 addx6342 add 1E+16   0    ->   1.000000000000000E+16  Rounded
       
  1921 addx6343 add 1E+17   0    ->   1.000000000000000E+17  Rounded
       
  1922 -- which simply follow from these cases ...
       
  1923 addx6344 add 1E+3    1    ->         1001
       
  1924 addx6345 add 1E+15   1    ->    1000000000000001
       
  1925 addx6346 add 1E+16   1    ->   1.000000000000000E+16  Inexact Rounded
       
  1926 addx6347 add 1E+17   1    ->   1.000000000000000E+17  Inexact Rounded
       
  1927 addx6348 add 1E+3    7    ->         1007
       
  1928 addx6349 add 1E+15   7    ->    1000000000000007
       
  1929 addx6350 add 1E+16   7    ->   1.000000000000001E+16  Inexact Rounded
       
  1930 addx6351 add 1E+17   7    ->   1.000000000000000E+17  Inexact Rounded
       
  1931 
       
  1932 -- tryzeros cases
       
  1933 addx6361  add 0E+50 10000E+1  -> 1.0000E+5
       
  1934 addx6362  add 10000E+1 0E-50  -> 100000.0000000000  Rounded
       
  1935 addx6363  add 10000E+1 10000E-50  -> 100000.0000000000  Rounded Inexact
       
  1936 addx6364  add 12.34    0e-398  -> 12.34000000000000  Rounded
       
  1937 
       
  1938 -- ulp replacement tests
       
  1939 addx6400 add   1   77e-14      ->  1.00000000000077
       
  1940 addx6401 add   1   77e-15      ->  1.000000000000077
       
  1941 addx6402 add   1   77e-16      ->  1.000000000000008 Inexact Rounded
       
  1942 addx6403 add   1   77e-17      ->  1.000000000000001 Inexact Rounded
       
  1943 addx6404 add   1   77e-18      ->  1.000000000000000 Inexact Rounded
       
  1944 addx6405 add   1   77e-19      ->  1.000000000000000 Inexact Rounded
       
  1945 addx6406 add   1   77e-99      ->  1.000000000000000 Inexact Rounded
       
  1946 
       
  1947 addx6410 add  10   77e-14      ->  10.00000000000077
       
  1948 addx6411 add  10   77e-15      ->  10.00000000000008 Inexact Rounded
       
  1949 addx6412 add  10   77e-16      ->  10.00000000000001 Inexact Rounded
       
  1950 addx6413 add  10   77e-17      ->  10.00000000000000 Inexact Rounded
       
  1951 addx6414 add  10   77e-18      ->  10.00000000000000 Inexact Rounded
       
  1952 addx6415 add  10   77e-19      ->  10.00000000000000 Inexact Rounded
       
  1953 addx6416 add  10   77e-99      ->  10.00000000000000 Inexact Rounded
       
  1954 
       
  1955 addx6420 add  77e-14       1   ->  1.00000000000077
       
  1956 addx6421 add  77e-15       1   ->  1.000000000000077
       
  1957 addx6422 add  77e-16       1   ->  1.000000000000008 Inexact Rounded
       
  1958 addx6423 add  77e-17       1   ->  1.000000000000001 Inexact Rounded
       
  1959 addx6424 add  77e-18       1   ->  1.000000000000000 Inexact Rounded
       
  1960 addx6425 add  77e-19       1   ->  1.000000000000000 Inexact Rounded
       
  1961 addx6426 add  77e-99       1   ->  1.000000000000000 Inexact Rounded
       
  1962 
       
  1963 addx6430 add  77e-14      10   ->  10.00000000000077
       
  1964 addx6431 add  77e-15      10   ->  10.00000000000008 Inexact Rounded
       
  1965 addx6432 add  77e-16      10   ->  10.00000000000001 Inexact Rounded
       
  1966 addx6433 add  77e-17      10   ->  10.00000000000000 Inexact Rounded
       
  1967 addx6434 add  77e-18      10   ->  10.00000000000000 Inexact Rounded
       
  1968 addx6435 add  77e-19      10   ->  10.00000000000000 Inexact Rounded
       
  1969 addx6436 add  77e-99      10   ->  10.00000000000000 Inexact Rounded
       
  1970 
       
  1971 -- negative ulps
       
  1972 addx6440 add   1   -77e-14      ->  0.99999999999923
       
  1973 addx6441 add   1   -77e-15      ->  0.999999999999923
       
  1974 addx6442 add   1   -77e-16      ->  0.9999999999999923
       
  1975 addx6443 add   1   -77e-17      ->  0.9999999999999992 Inexact Rounded
       
  1976 addx6444 add   1   -77e-18      ->  0.9999999999999999 Inexact Rounded
       
  1977 addx6445 add   1   -77e-19      ->  1.000000000000000 Inexact Rounded
       
  1978 addx6446 add   1   -77e-99      ->  1.000000000000000 Inexact Rounded
       
  1979 
       
  1980 addx6450 add  10   -77e-14      ->   9.99999999999923
       
  1981 addx6451 add  10   -77e-15      ->   9.999999999999923
       
  1982 addx6452 add  10   -77e-16      ->   9.999999999999992 Inexact Rounded
       
  1983 addx6453 add  10   -77e-17      ->   9.999999999999999 Inexact Rounded
       
  1984 addx6454 add  10   -77e-18      ->  10.00000000000000 Inexact Rounded
       
  1985 addx6455 add  10   -77e-19      ->  10.00000000000000 Inexact Rounded
       
  1986 addx6456 add  10   -77e-99      ->  10.00000000000000 Inexact Rounded
       
  1987 
       
  1988 addx6460 add  -77e-14       1   ->  0.99999999999923
       
  1989 addx6461 add  -77e-15       1   ->  0.999999999999923
       
  1990 addx6462 add  -77e-16       1   ->  0.9999999999999923
       
  1991 addx6463 add  -77e-17       1   ->  0.9999999999999992 Inexact Rounded
       
  1992 addx6464 add  -77e-18       1   ->  0.9999999999999999 Inexact Rounded
       
  1993 addx6465 add  -77e-19       1   ->  1.000000000000000 Inexact Rounded
       
  1994 addx6466 add  -77e-99       1   ->  1.000000000000000 Inexact Rounded
       
  1995 
       
  1996 addx6470 add  -77e-14      10   ->   9.99999999999923
       
  1997 addx6471 add  -77e-15      10   ->   9.999999999999923
       
  1998 addx6472 add  -77e-16      10   ->   9.999999999999992 Inexact Rounded
       
  1999 addx6473 add  -77e-17      10   ->   9.999999999999999 Inexact Rounded
       
  2000 addx6474 add  -77e-18      10   ->  10.00000000000000 Inexact Rounded
       
  2001 addx6475 add  -77e-19      10   ->  10.00000000000000 Inexact Rounded
       
  2002 addx6476 add  -77e-99      10   ->  10.00000000000000 Inexact Rounded
       
  2003 
       
  2004 -- negative ulps
       
  2005 addx6480 add  -1    77e-14      ->  -0.99999999999923
       
  2006 addx6481 add  -1    77e-15      ->  -0.999999999999923
       
  2007 addx6482 add  -1    77e-16      ->  -0.9999999999999923
       
  2008 addx6483 add  -1    77e-17      ->  -0.9999999999999992 Inexact Rounded
       
  2009 addx6484 add  -1    77e-18      ->  -0.9999999999999999 Inexact Rounded
       
  2010 addx6485 add  -1    77e-19      ->  -1.000000000000000 Inexact Rounded
       
  2011 addx6486 add  -1    77e-99      ->  -1.000000000000000 Inexact Rounded
       
  2012 
       
  2013 addx6490 add -10    77e-14      ->   -9.99999999999923
       
  2014 addx6491 add -10    77e-15      ->   -9.999999999999923
       
  2015 addx6492 add -10    77e-16      ->   -9.999999999999992 Inexact Rounded
       
  2016 addx6493 add -10    77e-17      ->   -9.999999999999999 Inexact Rounded
       
  2017 addx6494 add -10    77e-18      ->  -10.00000000000000 Inexact Rounded
       
  2018 addx6495 add -10    77e-19      ->  -10.00000000000000 Inexact Rounded
       
  2019 addx6496 add -10    77e-99      ->  -10.00000000000000 Inexact Rounded
       
  2020 
       
  2021 addx6500 add   77e-14      -1   ->  -0.99999999999923
       
  2022 addx6501 add   77e-15      -1   ->  -0.999999999999923
       
  2023 addx6502 add   77e-16      -1   ->  -0.9999999999999923
       
  2024 addx6503 add   77e-17      -1   ->  -0.9999999999999992 Inexact Rounded
       
  2025 addx6504 add   77e-18      -1   ->  -0.9999999999999999 Inexact Rounded
       
  2026 addx6505 add   77e-19      -1   ->  -1.000000000000000 Inexact Rounded
       
  2027 addx6506 add   77e-99      -1   ->  -1.000000000000000 Inexact Rounded
       
  2028 
       
  2029 addx6510 add   77e-14      -10  ->   -9.99999999999923
       
  2030 addx6511 add   77e-15      -10  ->   -9.999999999999923
       
  2031 addx6512 add   77e-16      -10  ->   -9.999999999999992 Inexact Rounded
       
  2032 addx6513 add   77e-17      -10  ->   -9.999999999999999 Inexact Rounded
       
  2033 addx6514 add   77e-18      -10  ->  -10.00000000000000 Inexact Rounded
       
  2034 addx6515 add   77e-19      -10  ->  -10.00000000000000 Inexact Rounded
       
  2035 addx6516 add   77e-99      -10  ->  -10.00000000000000 Inexact Rounded
       
  2036 
       
  2037 
       
  2038 -- long operands
       
  2039 addx6521 add 101234562345678000 0 -> 1.012345623456780E+17 Rounded
       
  2040 addx6522 add 0 101234562345678000 -> 1.012345623456780E+17 Rounded
       
  2041 addx6523 add 10123456234567800  0 -> 1.012345623456780E+16 Rounded
       
  2042 addx6524 add 0 10123456234567800  -> 1.012345623456780E+16 Rounded
       
  2043 addx6525 add 10123456234567890  0 -> 1.012345623456789E+16 Rounded
       
  2044 addx6526 add 0 10123456234567890  -> 1.012345623456789E+16 Rounded
       
  2045 addx6527 add 10123456234567891  0 -> 1.012345623456789E+16 Inexact Rounded
       
  2046 addx6528 add 0 10123456234567891  -> 1.012345623456789E+16 Inexact Rounded
       
  2047 addx6529 add 101234562345678901 0 -> 1.012345623456789E+17 Inexact Rounded
       
  2048 addx6530 add 0 101234562345678901 -> 1.012345623456789E+17 Inexact Rounded
       
  2049 addx6531 add 10123456234567896  0 -> 1.012345623456790E+16 Inexact Rounded
       
  2050 addx6532 add 0 10123456234567896  -> 1.012345623456790E+16 Inexact Rounded
       
  2051 
       
  2052 -- verify a query
       
  2053 rounding:     down
       
  2054 addx6561 add 1e-398 9.000000000000000E+384 -> 9.000000000000000E+384 Inexact Rounded
       
  2055 addx6562 add      0 9.000000000000000E+384 -> 9.000000000000000E+384 Rounded
       
  2056 -- and using decimal64 bounds...
       
  2057 rounding:     down
       
  2058 addx6563 add 1e-388 9.000000000000000E+374 -> 9.000000000000000E+374 Inexact Rounded
       
  2059 addx6564 add      0 9.000000000000000E+374 -> 9.000000000000000E+374 Rounded
       
  2060 
       
  2061 -- more zeros, etc.
       
  2062 rounding: half_even
       
  2063 
       
  2064 addx6701 add 5.00 1.00E-3 -> 5.00100
       
  2065 addx6702 add 00.00 0.000  -> 0.000
       
  2066 addx6703 add 00.00 0E-3   -> 0.000
       
  2067 addx6704 add 0E-3  00.00  -> 0.000
       
  2068 
       
  2069 addx6710 add 0E+3  00.00  -> 0.00
       
  2070 addx6711 add 0E+3  00.0   -> 0.0
       
  2071 addx6712 add 0E+3  00.    -> 0
       
  2072 addx6713 add 0E+3  00.E+1 -> 0E+1
       
  2073 addx6714 add 0E+3  00.E+2 -> 0E+2
       
  2074 addx6715 add 0E+3  00.E+3 -> 0E+3
       
  2075 addx6716 add 0E+3  00.E+4 -> 0E+3
       
  2076 addx6717 add 0E+3  00.E+5 -> 0E+3
       
  2077 addx6718 add 0E+3  -00.0   -> 0.0
       
  2078 addx6719 add 0E+3  -00.    -> 0
       
  2079 addx6731 add 0E+3  -00.E+1 -> 0E+1
       
  2080 
       
  2081 addx6720 add 00.00  0E+3  -> 0.00
       
  2082 addx6721 add 00.0   0E+3  -> 0.0
       
  2083 addx6722 add 00.    0E+3  -> 0
       
  2084 addx6723 add 00.E+1 0E+3  -> 0E+1
       
  2085 addx6724 add 00.E+2 0E+3  -> 0E+2
       
  2086 addx6725 add 00.E+3 0E+3  -> 0E+3
       
  2087 addx6726 add 00.E+4 0E+3  -> 0E+3
       
  2088 addx6727 add 00.E+5 0E+3  -> 0E+3
       
  2089 addx6728 add -00.00 0E+3  -> 0.00
       
  2090 addx6729 add -00.0  0E+3  -> 0.0
       
  2091 addx6730 add -00.   0E+3  -> 0
       
  2092 
       
  2093 addx6732 add  0     0     ->  0
       
  2094 addx6733 add  0    -0     ->  0
       
  2095 addx6734 add -0     0     ->  0
       
  2096 addx6735 add -0    -0     -> -0     -- IEEE 854 special case
       
  2097 
       
  2098 addx6736 add  1    -1     ->  0
       
  2099 addx6737 add -1    -1     -> -2
       
  2100 addx6738 add  1     1     ->  2
       
  2101 addx6739 add -1     1     ->  0
       
  2102 
       
  2103 addx6741 add  0    -1     -> -1
       
  2104 addx6742 add -0    -1     -> -1
       
  2105 addx6743 add  0     1     ->  1
       
  2106 addx6744 add -0     1     ->  1
       
  2107 addx6745 add -1     0     -> -1
       
  2108 addx6746 add -1    -0     -> -1
       
  2109 addx6747 add  1     0     ->  1
       
  2110 addx6748 add  1    -0     ->  1
       
  2111 
       
  2112 addx6751 add  0.0  -1     -> -1.0
       
  2113 addx6752 add -0.0  -1     -> -1.0
       
  2114 addx6753 add  0.0   1     ->  1.0
       
  2115 addx6754 add -0.0   1     ->  1.0
       
  2116 addx6755 add -1.0   0     -> -1.0
       
  2117 addx6756 add -1.0  -0     -> -1.0
       
  2118 addx6757 add  1.0   0     ->  1.0
       
  2119 addx6758 add  1.0  -0     ->  1.0
       
  2120 
       
  2121 addx6761 add  0    -1.0   -> -1.0
       
  2122 addx6762 add -0    -1.0   -> -1.0
       
  2123 addx6763 add  0     1.0   ->  1.0
       
  2124 addx6764 add -0     1.0   ->  1.0
       
  2125 addx6765 add -1     0.0   -> -1.0
       
  2126 addx6766 add -1    -0.0   -> -1.0
       
  2127 addx6767 add  1     0.0   ->  1.0
       
  2128 addx6768 add  1    -0.0   ->  1.0
       
  2129 
       
  2130 addx6771 add  0.0  -1.0   -> -1.0
       
  2131 addx6772 add -0.0  -1.0   -> -1.0
       
  2132 addx6773 add  0.0   1.0   ->  1.0
       
  2133 addx6774 add -0.0   1.0   ->  1.0
       
  2134 addx6775 add -1.0   0.0   -> -1.0
       
  2135 addx6776 add -1.0  -0.0   -> -1.0
       
  2136 addx6777 add  1.0   0.0   ->  1.0
       
  2137 addx6778 add  1.0  -0.0   ->  1.0
       
  2138 
       
  2139 -- Specials
       
  2140 addx6780 add -Inf  -Inf   -> -Infinity
       
  2141 addx6781 add -Inf  -1000  -> -Infinity
       
  2142 addx6782 add -Inf  -1     -> -Infinity
       
  2143 addx6783 add -Inf  -0     -> -Infinity
       
  2144 addx6784 add -Inf   0     -> -Infinity
       
  2145 addx6785 add -Inf   1     -> -Infinity
       
  2146 addx6786 add -Inf   1000  -> -Infinity
       
  2147 addx6787 add -1000 -Inf   -> -Infinity
       
  2148 addx6788 add -Inf  -Inf   -> -Infinity
       
  2149 addx6789 add -1    -Inf   -> -Infinity
       
  2150 addx6790 add -0    -Inf   -> -Infinity
       
  2151 addx6791 add  0    -Inf   -> -Infinity
       
  2152 addx6792 add  1    -Inf   -> -Infinity
       
  2153 addx6793 add  1000 -Inf   -> -Infinity
       
  2154 addx6794 add  Inf  -Inf   ->  NaN  Invalid_operation
       
  2155 
       
  2156 addx6800 add  Inf  -Inf   ->  NaN  Invalid_operation
       
  2157 addx6801 add  Inf  -1000  ->  Infinity
       
  2158 addx6802 add  Inf  -1     ->  Infinity
       
  2159 addx6803 add  Inf  -0     ->  Infinity
       
  2160 addx6804 add  Inf   0     ->  Infinity
       
  2161 addx6805 add  Inf   1     ->  Infinity
       
  2162 addx6806 add  Inf   1000  ->  Infinity
       
  2163 addx6807 add  Inf   Inf   ->  Infinity
       
  2164 addx6808 add -1000  Inf   ->  Infinity
       
  2165 addx6809 add -Inf   Inf   ->  NaN  Invalid_operation
       
  2166 addx6810 add -1     Inf   ->  Infinity
       
  2167 addx6811 add -0     Inf   ->  Infinity
       
  2168 addx6812 add  0     Inf   ->  Infinity
       
  2169 addx6813 add  1     Inf   ->  Infinity
       
  2170 addx6814 add  1000  Inf   ->  Infinity
       
  2171 addx6815 add  Inf   Inf   ->  Infinity
       
  2172 
       
  2173 addx6821 add  NaN -Inf    ->  NaN
       
  2174 addx6822 add  NaN -1000   ->  NaN
       
  2175 addx6823 add  NaN -1      ->  NaN
       
  2176 addx6824 add  NaN -0      ->  NaN
       
  2177 addx6825 add  NaN  0      ->  NaN
       
  2178 addx6826 add  NaN  1      ->  NaN
       
  2179 addx6827 add  NaN  1000   ->  NaN
       
  2180 addx6828 add  NaN  Inf    ->  NaN
       
  2181 addx6829 add  NaN  NaN    ->  NaN
       
  2182 addx6830 add -Inf  NaN    ->  NaN
       
  2183 addx6831 add -1000 NaN    ->  NaN
       
  2184 addx6832 add -1    NaN    ->  NaN
       
  2185 addx6833 add -0    NaN    ->  NaN
       
  2186 addx6834 add  0    NaN    ->  NaN
       
  2187 addx6835 add  1    NaN    ->  NaN
       
  2188 addx6836 add  1000 NaN    ->  NaN
       
  2189 addx6837 add  Inf  NaN    ->  NaN
       
  2190 
       
  2191 addx6841 add  sNaN -Inf   ->  NaN  Invalid_operation
       
  2192 addx6842 add  sNaN -1000  ->  NaN  Invalid_operation
       
  2193 addx6843 add  sNaN -1     ->  NaN  Invalid_operation
       
  2194 addx6844 add  sNaN -0     ->  NaN  Invalid_operation
       
  2195 addx6845 add  sNaN  0     ->  NaN  Invalid_operation
       
  2196 addx6846 add  sNaN  1     ->  NaN  Invalid_operation
       
  2197 addx6847 add  sNaN  1000  ->  NaN  Invalid_operation
       
  2198 addx6848 add  sNaN  NaN   ->  NaN  Invalid_operation
       
  2199 addx6849 add  sNaN sNaN   ->  NaN  Invalid_operation
       
  2200 addx6850 add  NaN  sNaN   ->  NaN  Invalid_operation
       
  2201 addx6851 add -Inf  sNaN   ->  NaN  Invalid_operation
       
  2202 addx6852 add -1000 sNaN   ->  NaN  Invalid_operation
       
  2203 addx6853 add -1    sNaN   ->  NaN  Invalid_operation
       
  2204 addx6854 add -0    sNaN   ->  NaN  Invalid_operation
       
  2205 addx6855 add  0    sNaN   ->  NaN  Invalid_operation
       
  2206 addx6856 add  1    sNaN   ->  NaN  Invalid_operation
       
  2207 addx6857 add  1000 sNaN   ->  NaN  Invalid_operation
       
  2208 addx6858 add  Inf  sNaN   ->  NaN  Invalid_operation
       
  2209 addx6859 add  NaN  sNaN   ->  NaN  Invalid_operation
       
  2210 
       
  2211 -- propagating NaNs
       
  2212 addx6861 add  NaN1   -Inf    ->  NaN1
       
  2213 addx6862 add +NaN2   -1000   ->  NaN2
       
  2214 addx6863 add  NaN3    1000   ->  NaN3
       
  2215 addx6864 add  NaN4    Inf    ->  NaN4
       
  2216 addx6865 add  NaN5   +NaN6   ->  NaN5
       
  2217 addx6866 add -Inf     NaN7   ->  NaN7
       
  2218 addx6867 add -1000    NaN8   ->  NaN8
       
  2219 addx6868 add  1000    NaN9   ->  NaN9
       
  2220 addx6869 add  Inf    +NaN10  ->  NaN10
       
  2221 addx6871 add  sNaN11  -Inf   ->  NaN11  Invalid_operation
       
  2222 addx6872 add  sNaN12  -1000  ->  NaN12  Invalid_operation
       
  2223 addx6873 add  sNaN13   1000  ->  NaN13  Invalid_operation
       
  2224 addx6874 add  sNaN14   NaN17 ->  NaN14  Invalid_operation
       
  2225 addx6875 add  sNaN15  sNaN18 ->  NaN15  Invalid_operation
       
  2226 addx6876 add  NaN16   sNaN19 ->  NaN19  Invalid_operation
       
  2227 addx6877 add -Inf    +sNaN20 ->  NaN20  Invalid_operation
       
  2228 addx6878 add -1000    sNaN21 ->  NaN21  Invalid_operation
       
  2229 addx6879 add  1000    sNaN22 ->  NaN22  Invalid_operation
       
  2230 addx6880 add  Inf     sNaN23 ->  NaN23  Invalid_operation
       
  2231 addx6881 add +NaN25  +sNaN24 ->  NaN24  Invalid_operation
       
  2232 addx6882 add -NaN26    NaN28 -> -NaN26
       
  2233 addx6883 add -sNaN27  sNaN29 -> -NaN27  Invalid_operation
       
  2234 addx6884 add  1000    -NaN30 -> -NaN30
       
  2235 addx6885 add  1000   -sNaN31 -> -NaN31  Invalid_operation
       
  2236 
       
  2237 -- now the case where we can get underflow but the result is normal
       
  2238 -- [note this can't happen if the operands are also bounded, as we
       
  2239 -- cannot represent 1E-399, for example]
       
  2240 
       
  2241 addx6571 add       1E-383       0  -> 1E-383
       
  2242 addx6572 add       1E-384       0  -> 1E-384   Subnormal
       
  2243 addx6573 add       1E-383  1E-384  -> 1.1E-383
       
  2244 addx6574 subtract  1E-383  1E-384  ->   9E-384 Subnormal
       
  2245 
       
  2246 -- Here we explore the boundary of rounding a subnormal to Nmin
       
  2247 addx6575 subtract  1E-383  1E-398  ->   9.99999999999999E-384  Subnormal
       
  2248 addx6576 subtract  1E-383  1E-398  ->   9.99999999999999E-384  Subnormal
       
  2249 addx6577 subtract  1E-383  1E-399  ->   1.000000000000000E-383 Underflow Inexact Subnormal Rounded
       
  2250 addx6578 subtract  1E-383  1E-400  ->   1.000000000000000E-383 Underflow Inexact Subnormal Rounded
       
  2251 addx6579 subtract  1E-383  1E-401  ->   1.000000000000000E-383 Underflow Inexact Subnormal Rounded
       
  2252 addx6580 subtract  1E-383  1E-402  ->   1.000000000000000E-383 Underflow Inexact Subnormal Rounded
       
  2253 
       
  2254 -- check overflow edge case
       
  2255 --               1234567890123456
       
  2256 addx6972 apply   9.999999999999999E+384         -> 9.999999999999999E+384
       
  2257 addx6973 add     9.999999999999999E+384  1      -> 9.999999999999999E+384 Inexact Rounded
       
  2258 addx6974 add      9999999999999999E+369  1      -> 9.999999999999999E+384 Inexact Rounded
       
  2259 addx6975 add      9999999999999999E+369  1E+369  -> Infinity Overflow Inexact Rounded
       
  2260 addx6976 add      9999999999999999E+369  9E+368  -> Infinity Overflow Inexact Rounded
       
  2261 addx6977 add      9999999999999999E+369  8E+368  -> Infinity Overflow Inexact Rounded
       
  2262 addx6978 add      9999999999999999E+369  7E+368  -> Infinity Overflow Inexact Rounded
       
  2263 addx6979 add      9999999999999999E+369  6E+368  -> Infinity Overflow Inexact Rounded
       
  2264 addx6980 add      9999999999999999E+369  5E+368  -> Infinity Overflow Inexact Rounded
       
  2265 addx6981 add      9999999999999999E+369  4E+368  -> 9.999999999999999E+384 Inexact Rounded
       
  2266 addx6982 add      9999999999999999E+369  3E+368  -> 9.999999999999999E+384 Inexact Rounded
       
  2267 addx6983 add      9999999999999999E+369  2E+368  -> 9.999999999999999E+384 Inexact Rounded
       
  2268 addx6984 add      9999999999999999E+369  1E+368  -> 9.999999999999999E+384 Inexact Rounded
       
  2269 
       
  2270 addx6985 apply  -9.999999999999999E+384         -> -9.999999999999999E+384
       
  2271 addx6986 add    -9.999999999999999E+384 -1      -> -9.999999999999999E+384 Inexact Rounded
       
  2272 addx6987 add     -9999999999999999E+369 -1      -> -9.999999999999999E+384 Inexact Rounded
       
  2273 addx6988 add     -9999999999999999E+369 -1E+369  -> -Infinity Overflow Inexact Rounded
       
  2274 addx6989 add     -9999999999999999E+369 -9E+368  -> -Infinity Overflow Inexact Rounded
       
  2275 addx6990 add     -9999999999999999E+369 -8E+368  -> -Infinity Overflow Inexact Rounded
       
  2276 addx6991 add     -9999999999999999E+369 -7E+368  -> -Infinity Overflow Inexact Rounded
       
  2277 addx6992 add     -9999999999999999E+369 -6E+368  -> -Infinity Overflow Inexact Rounded
       
  2278 addx6993 add     -9999999999999999E+369 -5E+368  -> -Infinity Overflow Inexact Rounded
       
  2279 addx6994 add     -9999999999999999E+369 -4E+368  -> -9.999999999999999E+384 Inexact Rounded
       
  2280 addx6995 add     -9999999999999999E+369 -3E+368  -> -9.999999999999999E+384 Inexact Rounded
       
  2281 addx6996 add     -9999999999999999E+369 -2E+368  -> -9.999999999999999E+384 Inexact Rounded
       
  2282 addx6997 add     -9999999999999999E+369 -1E+368  -> -9.999999999999999E+384 Inexact Rounded
       
  2283 
       
  2284 -- And for round down full and subnormal results
       
  2285 rounding:     down
       
  2286 addx61100 add 1e+2 -1e-383    -> 99.99999999999999 Rounded Inexact
       
  2287 addx61101 add 1e+1 -1e-383    -> 9.999999999999999  Rounded Inexact
       
  2288 addx61103 add   +1 -1e-383    -> 0.9999999999999999  Rounded Inexact
       
  2289 addx61104 add 1e-1 -1e-383    -> 0.09999999999999999  Rounded Inexact
       
  2290 addx61105 add 1e-2 -1e-383    -> 0.009999999999999999  Rounded Inexact
       
  2291 addx61106 add 1e-3 -1e-383    -> 0.0009999999999999999  Rounded Inexact
       
  2292 addx61107 add 1e-4 -1e-383    -> 0.00009999999999999999  Rounded Inexact
       
  2293 addx61108 add 1e-5 -1e-383    -> 0.000009999999999999999  Rounded Inexact
       
  2294 addx61109 add 1e-6 -1e-383    -> 9.999999999999999E-7  Rounded Inexact
       
  2295 
       
  2296 rounding:     ceiling
       
  2297 addx61110 add -1e+2 +1e-383   -> -99.99999999999999 Rounded Inexact
       
  2298 addx61111 add -1e+1 +1e-383   -> -9.999999999999999  Rounded Inexact
       
  2299 addx61113 add    -1 +1e-383   -> -0.9999999999999999  Rounded Inexact
       
  2300 addx61114 add -1e-1 +1e-383   -> -0.09999999999999999  Rounded Inexact
       
  2301 addx61115 add -1e-2 +1e-383   -> -0.009999999999999999  Rounded Inexact
       
  2302 addx61116 add -1e-3 +1e-383   -> -0.0009999999999999999  Rounded Inexact
       
  2303 addx61117 add -1e-4 +1e-383   -> -0.00009999999999999999  Rounded Inexact
       
  2304 addx61118 add -1e-5 +1e-383   -> -0.000009999999999999999  Rounded Inexact
       
  2305 addx61119 add -1e-6 +1e-383   -> -9.999999999999999E-7  Rounded Inexact
       
  2306 
       
  2307 -- tests based on Gunnar Degnbol's edge case
       
  2308 rounding:     half_even
       
  2309 
       
  2310 addx61300 add 1E16  -0.5                 ->  1.000000000000000E+16 Inexact Rounded
       
  2311 addx61310 add 1E16  -0.51                ->  9999999999999999      Inexact Rounded
       
  2312 addx61311 add 1E16  -0.501               ->  9999999999999999      Inexact Rounded
       
  2313 addx61312 add 1E16  -0.5001              ->  9999999999999999      Inexact Rounded
       
  2314 addx61313 add 1E16  -0.50001             ->  9999999999999999      Inexact Rounded
       
  2315 addx61314 add 1E16  -0.500001            ->  9999999999999999      Inexact Rounded
       
  2316 addx61315 add 1E16  -0.5000001           ->  9999999999999999      Inexact Rounded
       
  2317 addx61316 add 1E16  -0.50000001          ->  9999999999999999      Inexact Rounded
       
  2318 addx61317 add 1E16  -0.500000001         ->  9999999999999999      Inexact Rounded
       
  2319 addx61318 add 1E16  -0.5000000001        ->  9999999999999999      Inexact Rounded
       
  2320 addx61319 add 1E16  -0.50000000001       ->  9999999999999999      Inexact Rounded
       
  2321 addx61320 add 1E16  -0.500000000001      ->  9999999999999999      Inexact Rounded
       
  2322 addx61321 add 1E16  -0.5000000000001     ->  9999999999999999      Inexact Rounded
       
  2323 addx61322 add 1E16  -0.50000000000001    ->  9999999999999999      Inexact Rounded
       
  2324 addx61323 add 1E16  -0.500000000000001   ->  9999999999999999      Inexact Rounded
       
  2325 addx61324 add 1E16  -0.5000000000000001  ->  9999999999999999      Inexact Rounded
       
  2326 addx61325 add 1E16  -0.5000000000000000  ->  1.000000000000000E+16 Inexact Rounded
       
  2327 addx61326 add 1E16  -0.500000000000000   ->  1.000000000000000E+16 Inexact Rounded
       
  2328 addx61327 add 1E16  -0.50000000000000    ->  1.000000000000000E+16 Inexact Rounded
       
  2329 addx61328 add 1E16  -0.5000000000000     ->  1.000000000000000E+16 Inexact Rounded
       
  2330 addx61329 add 1E16  -0.500000000000      ->  1.000000000000000E+16 Inexact Rounded
       
  2331 addx61330 add 1E16  -0.50000000000       ->  1.000000000000000E+16 Inexact Rounded
       
  2332 addx61331 add 1E16  -0.5000000000        ->  1.000000000000000E+16 Inexact Rounded
       
  2333 addx61332 add 1E16  -0.500000000         ->  1.000000000000000E+16 Inexact Rounded
       
  2334 addx61333 add 1E16  -0.50000000          ->  1.000000000000000E+16 Inexact Rounded
       
  2335 addx61334 add 1E16  -0.5000000           ->  1.000000000000000E+16 Inexact Rounded
       
  2336 addx61335 add 1E16  -0.500000            ->  1.000000000000000E+16 Inexact Rounded
       
  2337 addx61336 add 1E16  -0.50000             ->  1.000000000000000E+16 Inexact Rounded
       
  2338 addx61337 add 1E16  -0.5000              ->  1.000000000000000E+16 Inexact Rounded
       
  2339 addx61338 add 1E16  -0.500               ->  1.000000000000000E+16 Inexact Rounded
       
  2340 addx61339 add 1E16  -0.50                ->  1.000000000000000E+16 Inexact Rounded
       
  2341 
       
  2342 addx61340 add 1E16  -5000000.000010001   ->  9999999995000000      Inexact Rounded
       
  2343 addx61341 add 1E16  -5000000.000000001   ->  9999999995000000      Inexact Rounded
       
  2344 
       
  2345 addx61349 add 9999999999999999 0.4                 ->  9999999999999999      Inexact Rounded
       
  2346 addx61350 add 9999999999999999 0.49                ->  9999999999999999      Inexact Rounded
       
  2347 addx61351 add 9999999999999999 0.499               ->  9999999999999999      Inexact Rounded
       
  2348 addx61352 add 9999999999999999 0.4999              ->  9999999999999999      Inexact Rounded
       
  2349 addx61353 add 9999999999999999 0.49999             ->  9999999999999999      Inexact Rounded
       
  2350 addx61354 add 9999999999999999 0.499999            ->  9999999999999999      Inexact Rounded
       
  2351 addx61355 add 9999999999999999 0.4999999           ->  9999999999999999      Inexact Rounded
       
  2352 addx61356 add 9999999999999999 0.49999999          ->  9999999999999999      Inexact Rounded
       
  2353 addx61357 add 9999999999999999 0.499999999         ->  9999999999999999      Inexact Rounded
       
  2354 addx61358 add 9999999999999999 0.4999999999        ->  9999999999999999      Inexact Rounded
       
  2355 addx61359 add 9999999999999999 0.49999999999       ->  9999999999999999      Inexact Rounded
       
  2356 addx61360 add 9999999999999999 0.499999999999      ->  9999999999999999      Inexact Rounded
       
  2357 addx61361 add 9999999999999999 0.4999999999999     ->  9999999999999999      Inexact Rounded
       
  2358 addx61362 add 9999999999999999 0.49999999999999    ->  9999999999999999      Inexact Rounded
       
  2359 addx61363 add 9999999999999999 0.499999999999999   ->  9999999999999999      Inexact Rounded
       
  2360 addx61364 add 9999999999999999 0.4999999999999999  ->  9999999999999999      Inexact Rounded
       
  2361 addx61365 add 9999999999999999 0.5000000000000000  ->  1.000000000000000E+16 Inexact Rounded
       
  2362 addx61367 add 9999999999999999 0.500000000000000   ->  1.000000000000000E+16 Inexact Rounded
       
  2363 addx61368 add 9999999999999999 0.50000000000000    ->  1.000000000000000E+16 Inexact Rounded
       
  2364 addx61369 add 9999999999999999 0.5000000000000     ->  1.000000000000000E+16 Inexact Rounded
       
  2365 addx61370 add 9999999999999999 0.500000000000      ->  1.000000000000000E+16 Inexact Rounded
       
  2366 addx61371 add 9999999999999999 0.50000000000       ->  1.000000000000000E+16 Inexact Rounded
       
  2367 addx61372 add 9999999999999999 0.5000000000        ->  1.000000000000000E+16 Inexact Rounded
       
  2368 addx61373 add 9999999999999999 0.500000000         ->  1.000000000000000E+16 Inexact Rounded
       
  2369 addx61374 add 9999999999999999 0.50000000          ->  1.000000000000000E+16 Inexact Rounded
       
  2370 addx61375 add 9999999999999999 0.5000000           ->  1.000000000000000E+16 Inexact Rounded
       
  2371 addx61376 add 9999999999999999 0.500000            ->  1.000000000000000E+16 Inexact Rounded
       
  2372 addx61377 add 9999999999999999 0.50000             ->  1.000000000000000E+16 Inexact Rounded
       
  2373 addx61378 add 9999999999999999 0.5000              ->  1.000000000000000E+16 Inexact Rounded
       
  2374 addx61379 add 9999999999999999 0.500               ->  1.000000000000000E+16 Inexact Rounded
       
  2375 addx61380 add 9999999999999999 0.50                ->  1.000000000000000E+16 Inexact Rounded
       
  2376 addx61381 add 9999999999999999 0.5                 ->  1.000000000000000E+16 Inexact Rounded
       
  2377 addx61382 add 9999999999999999 0.5000000000000001  ->  1.000000000000000E+16 Inexact Rounded
       
  2378 addx61383 add 9999999999999999 0.500000000000001   ->  1.000000000000000E+16 Inexact Rounded
       
  2379 addx61384 add 9999999999999999 0.50000000000001    ->  1.000000000000000E+16 Inexact Rounded
       
  2380 addx61385 add 9999999999999999 0.5000000000001     ->  1.000000000000000E+16 Inexact Rounded
       
  2381 addx61386 add 9999999999999999 0.500000000001      ->  1.000000000000000E+16 Inexact Rounded
       
  2382 addx61387 add 9999999999999999 0.50000000001       ->  1.000000000000000E+16 Inexact Rounded
       
  2383 addx61388 add 9999999999999999 0.5000000001        ->  1.000000000000000E+16 Inexact Rounded
       
  2384 addx61389 add 9999999999999999 0.500000001         ->  1.000000000000000E+16 Inexact Rounded
       
  2385 addx61390 add 9999999999999999 0.50000001          ->  1.000000000000000E+16 Inexact Rounded
       
  2386 addx61391 add 9999999999999999 0.5000001           ->  1.000000000000000E+16 Inexact Rounded
       
  2387 addx61392 add 9999999999999999 0.500001            ->  1.000000000000000E+16 Inexact Rounded
       
  2388 addx61393 add 9999999999999999 0.50001             ->  1.000000000000000E+16 Inexact Rounded
       
  2389 addx61394 add 9999999999999999 0.5001              ->  1.000000000000000E+16 Inexact Rounded
       
  2390 addx61395 add 9999999999999999 0.501               ->  1.000000000000000E+16 Inexact Rounded
       
  2391 addx61396 add 9999999999999999 0.51                ->  1.000000000000000E+16 Inexact Rounded
       
  2392 
       
  2393 -- More GD edge cases, where difference between the unadjusted
       
  2394 -- exponents is larger than the maximum precision and one side is 0
       
  2395 addx61420 add  0 1.123456789012345     -> 1.123456789012345
       
  2396 addx61421 add  0 1.123456789012345E-1  -> 0.1123456789012345
       
  2397 addx61422 add  0 1.123456789012345E-2  -> 0.01123456789012345
       
  2398 addx61423 add  0 1.123456789012345E-3  -> 0.001123456789012345
       
  2399 addx61424 add  0 1.123456789012345E-4  -> 0.0001123456789012345
       
  2400 addx61425 add  0 1.123456789012345E-5  -> 0.00001123456789012345
       
  2401 addx61426 add  0 1.123456789012345E-6  -> 0.000001123456789012345
       
  2402 addx61427 add  0 1.123456789012345E-7  -> 1.123456789012345E-7
       
  2403 addx61428 add  0 1.123456789012345E-8  -> 1.123456789012345E-8
       
  2404 addx61429 add  0 1.123456789012345E-9  -> 1.123456789012345E-9
       
  2405 addx61430 add  0 1.123456789012345E-10 -> 1.123456789012345E-10
       
  2406 addx61431 add  0 1.123456789012345E-11 -> 1.123456789012345E-11
       
  2407 addx61432 add  0 1.123456789012345E-12 -> 1.123456789012345E-12
       
  2408 addx61433 add  0 1.123456789012345E-13 -> 1.123456789012345E-13
       
  2409 addx61434 add  0 1.123456789012345E-14 -> 1.123456789012345E-14
       
  2410 addx61435 add  0 1.123456789012345E-15 -> 1.123456789012345E-15
       
  2411 addx61436 add  0 1.123456789012345E-16 -> 1.123456789012345E-16
       
  2412 addx61437 add  0 1.123456789012345E-17 -> 1.123456789012345E-17
       
  2413 addx61438 add  0 1.123456789012345E-18 -> 1.123456789012345E-18
       
  2414 addx61439 add  0 1.123456789012345E-19 -> 1.123456789012345E-19
       
  2415 
       
  2416 -- same, reversed 0
       
  2417 addx61440 add 1.123456789012345     0 -> 1.123456789012345
       
  2418 addx61441 add 1.123456789012345E-1  0 -> 0.1123456789012345
       
  2419 addx61442 add 1.123456789012345E-2  0 -> 0.01123456789012345
       
  2420 addx61443 add 1.123456789012345E-3  0 -> 0.001123456789012345
       
  2421 addx61444 add 1.123456789012345E-4  0 -> 0.0001123456789012345
       
  2422 addx61445 add 1.123456789012345E-5  0 -> 0.00001123456789012345
       
  2423 addx61446 add 1.123456789012345E-6  0 -> 0.000001123456789012345
       
  2424 addx61447 add 1.123456789012345E-7  0 -> 1.123456789012345E-7
       
  2425 addx61448 add 1.123456789012345E-8  0 -> 1.123456789012345E-8
       
  2426 addx61449 add 1.123456789012345E-9  0 -> 1.123456789012345E-9
       
  2427 addx61450 add 1.123456789012345E-10 0 -> 1.123456789012345E-10
       
  2428 addx61451 add 1.123456789012345E-11 0 -> 1.123456789012345E-11
       
  2429 addx61452 add 1.123456789012345E-12 0 -> 1.123456789012345E-12
       
  2430 addx61453 add 1.123456789012345E-13 0 -> 1.123456789012345E-13
       
  2431 addx61454 add 1.123456789012345E-14 0 -> 1.123456789012345E-14
       
  2432 addx61455 add 1.123456789012345E-15 0 -> 1.123456789012345E-15
       
  2433 addx61456 add 1.123456789012345E-16 0 -> 1.123456789012345E-16
       
  2434 addx61457 add 1.123456789012345E-17 0 -> 1.123456789012345E-17
       
  2435 addx61458 add 1.123456789012345E-18 0 -> 1.123456789012345E-18
       
  2436 addx61459 add 1.123456789012345E-19 0 -> 1.123456789012345E-19
       
  2437 
       
  2438 -- same, Es on the 0
       
  2439 addx61460 add 1.123456789012345  0E-0   -> 1.123456789012345
       
  2440 addx61461 add 1.123456789012345  0E-1   -> 1.123456789012345
       
  2441 addx61462 add 1.123456789012345  0E-2   -> 1.123456789012345
       
  2442 addx61463 add 1.123456789012345  0E-3   -> 1.123456789012345
       
  2443 addx61464 add 1.123456789012345  0E-4   -> 1.123456789012345
       
  2444 addx61465 add 1.123456789012345  0E-5   -> 1.123456789012345
       
  2445 addx61466 add 1.123456789012345  0E-6   -> 1.123456789012345
       
  2446 addx61467 add 1.123456789012345  0E-7   -> 1.123456789012345
       
  2447 addx61468 add 1.123456789012345  0E-8   -> 1.123456789012345
       
  2448 addx61469 add 1.123456789012345  0E-9   -> 1.123456789012345
       
  2449 addx61470 add 1.123456789012345  0E-10  -> 1.123456789012345
       
  2450 addx61471 add 1.123456789012345  0E-11  -> 1.123456789012345
       
  2451 addx61472 add 1.123456789012345  0E-12  -> 1.123456789012345
       
  2452 addx61473 add 1.123456789012345  0E-13  -> 1.123456789012345
       
  2453 addx61474 add 1.123456789012345  0E-14  -> 1.123456789012345
       
  2454 addx61475 add 1.123456789012345  0E-15  -> 1.123456789012345
       
  2455 -- next four flag Rounded because the 0 extends the result
       
  2456 addx61476 add 1.123456789012345  0E-16  -> 1.123456789012345 Rounded
       
  2457 addx61477 add 1.123456789012345  0E-17  -> 1.123456789012345 Rounded
       
  2458 addx61478 add 1.123456789012345  0E-18  -> 1.123456789012345 Rounded
       
  2459 addx61479 add 1.123456789012345  0E-19  -> 1.123456789012345 Rounded
       
  2460 
       
  2461 -- sum of two opposite-sign operands is exactly 0 and floor => -0
       
  2462 rounding:    half_up
       
  2463 -- exact zeros from zeros
       
  2464 addx61500 add  0        0E-19  ->  0E-19
       
  2465 addx61501 add -0        0E-19  ->  0E-19
       
  2466 addx61502 add  0       -0E-19  ->  0E-19
       
  2467 addx61503 add -0       -0E-19  -> -0E-19
       
  2468 addx61504 add  0E-400   0E-19  ->  0E-398 Clamped
       
  2469 addx61505 add -0E-400   0E-19  ->  0E-398 Clamped
       
  2470 addx61506 add  0E-400  -0E-19  ->  0E-398 Clamped
       
  2471 addx61507 add -0E-400  -0E-19  -> -0E-398 Clamped
       
  2472 -- inexact zeros
       
  2473 addx61511 add  1E-401   1E-400 ->  0E-398 Subnormal Inexact Rounded Underflow Clamped
       
  2474 addx61512 add -1E-401   1E-400 ->  0E-398 Subnormal Inexact Rounded Underflow Clamped
       
  2475 addx61513 add  1E-401  -1E-400 -> -0E-398 Subnormal Inexact Rounded Underflow Clamped
       
  2476 addx61514 add -1E-401  -1E-400 -> -0E-398 Subnormal Inexact Rounded Underflow Clamped
       
  2477 -- some exact zeros from non-zeros
       
  2478 addx61515 add  1E-401   1E-401 ->  0E-398 Subnormal Inexact Rounded Underflow Clamped
       
  2479 addx61516 add -1E-401   1E-401 ->  0E-398 Clamped
       
  2480 addx61517 add  1E-401  -1E-401 ->  0E-398 Clamped
       
  2481 addx61518 add -1E-401  -1E-401 -> -0E-398 Subnormal Inexact Rounded Underflow Clamped
       
  2482 
       
  2483 rounding:    half_down
       
  2484 -- exact zeros from zeros
       
  2485 addx61520 add  0        0E-19  ->  0E-19
       
  2486 addx61521 add -0        0E-19  ->  0E-19
       
  2487 addx61522 add  0       -0E-19  ->  0E-19
       
  2488 addx61523 add -0       -0E-19  -> -0E-19
       
  2489 addx61524 add  0E-400   0E-19  ->  0E-398 Clamped
       
  2490 addx61525 add -0E-400   0E-19  ->  0E-398 Clamped
       
  2491 addx61526 add  0E-400  -0E-19  ->  0E-398 Clamped
       
  2492 addx61527 add -0E-400  -0E-19  -> -0E-398 Clamped
       
  2493 -- inexact zeros
       
  2494 addx61531 add  1E-401   1E-400 ->  0E-398 Subnormal Inexact Rounded Underflow Clamped
       
  2495 addx61532 add -1E-401   1E-400 ->  0E-398 Subnormal Inexact Rounded Underflow Clamped
       
  2496 addx61533 add  1E-401  -1E-400 -> -0E-398 Subnormal Inexact Rounded Underflow Clamped
       
  2497 addx61534 add -1E-401  -1E-400 -> -0E-398 Subnormal Inexact Rounded Underflow Clamped
       
  2498 -- some exact zeros from non-zeros
       
  2499 addx61535 add  1E-401   1E-401 ->  0E-398 Subnormal Inexact Rounded Underflow Clamped
       
  2500 addx61536 add -1E-401   1E-401 ->  0E-398 Clamped
       
  2501 addx61537 add  1E-401  -1E-401 ->  0E-398 Clamped
       
  2502 addx61538 add -1E-401  -1E-401 -> -0E-398 Subnormal Inexact Rounded Underflow Clamped
       
  2503 
       
  2504 rounding:    half_even
       
  2505 -- exact zeros from zeros
       
  2506 addx61540 add  0        0E-19  ->  0E-19
       
  2507 addx61541 add -0        0E-19  ->  0E-19
       
  2508 addx61542 add  0       -0E-19  ->  0E-19
       
  2509 addx61543 add -0       -0E-19  -> -0E-19
       
  2510 addx61544 add  0E-400   0E-19  ->  0E-398 Clamped
       
  2511 addx61545 add -0E-400   0E-19  ->  0E-398 Clamped
       
  2512 addx61546 add  0E-400  -0E-19  ->  0E-398 Clamped
       
  2513 addx61547 add -0E-400  -0E-19  -> -0E-398 Clamped
       
  2514 -- inexact zeros
       
  2515 addx61551 add  1E-401   1E-400 ->  0E-398 Subnormal Inexact Rounded Underflow Clamped
       
  2516 addx61552 add -1E-401   1E-400 ->  0E-398 Subnormal Inexact Rounded Underflow Clamped
       
  2517 addx61553 add  1E-401  -1E-400 -> -0E-398 Subnormal Inexact Rounded Underflow Clamped
       
  2518 addx61554 add -1E-401  -1E-400 -> -0E-398 Subnormal Inexact Rounded Underflow Clamped
       
  2519 -- some exact zeros from non-zeros
       
  2520 addx61555 add  1E-401   1E-401 ->  0E-398 Subnormal Inexact Rounded Underflow Clamped
       
  2521 addx61556 add -1E-401   1E-401 ->  0E-398 Clamped
       
  2522 addx61557 add  1E-401  -1E-401 ->  0E-398 Clamped
       
  2523 addx61558 add -1E-401  -1E-401 -> -0E-398 Subnormal Inexact Rounded Underflow Clamped
       
  2524 
       
  2525 rounding:    up
       
  2526 -- exact zeros from zeros
       
  2527 addx61560 add  0        0E-19  ->  0E-19
       
  2528 addx61561 add -0        0E-19  ->  0E-19
       
  2529 addx61562 add  0       -0E-19  ->  0E-19
       
  2530 addx61563 add -0       -0E-19  -> -0E-19
       
  2531 addx61564 add  0E-400   0E-19  ->  0E-398 Clamped
       
  2532 addx61565 add -0E-400   0E-19  ->  0E-398 Clamped
       
  2533 addx61566 add  0E-400  -0E-19  ->  0E-398 Clamped
       
  2534 addx61567 add -0E-400  -0E-19  -> -0E-398 Clamped
       
  2535 -- inexact zeros
       
  2536 addx61571 add  1E-401   1E-400 ->  1E-398 Subnormal Inexact Rounded Underflow
       
  2537 addx61572 add -1E-401   1E-400 ->  1E-398 Subnormal Inexact Rounded Underflow
       
  2538 addx61573 add  1E-401  -1E-400 -> -1E-398 Subnormal Inexact Rounded Underflow
       
  2539 addx61574 add -1E-401  -1E-400 -> -1E-398 Subnormal Inexact Rounded Underflow
       
  2540 -- some exact zeros from non-zeros
       
  2541 addx61575 add  1E-401   1E-401 ->  1E-398 Subnormal Inexact Rounded Underflow
       
  2542 addx61576 add -1E-401   1E-401 ->  0E-398 Clamped
       
  2543 addx61577 add  1E-401  -1E-401 ->  0E-398 Clamped
       
  2544 addx61578 add -1E-401  -1E-401 -> -1E-398 Subnormal Inexact Rounded Underflow
       
  2545 
       
  2546 rounding:    down
       
  2547 -- exact zeros from zeros
       
  2548 addx61580 add  0        0E-19  ->  0E-19
       
  2549 addx61581 add -0        0E-19  ->  0E-19
       
  2550 addx61582 add  0       -0E-19  ->  0E-19
       
  2551 addx61583 add -0       -0E-19  -> -0E-19
       
  2552 addx61584 add  0E-400   0E-19  ->  0E-398 Clamped
       
  2553 addx61585 add -0E-400   0E-19  ->  0E-398 Clamped
       
  2554 addx61586 add  0E-400  -0E-19  ->  0E-398 Clamped
       
  2555 addx61587 add -0E-400  -0E-19  -> -0E-398 Clamped
       
  2556 -- inexact zeros
       
  2557 addx61591 add  1E-401   1E-400 ->  0E-398 Subnormal Inexact Rounded Underflow Clamped
       
  2558 addx61592 add -1E-401   1E-400 ->  0E-398 Subnormal Inexact Rounded Underflow Clamped
       
  2559 addx61593 add  1E-401  -1E-400 -> -0E-398 Subnormal Inexact Rounded Underflow Clamped
       
  2560 addx61594 add -1E-401  -1E-400 -> -0E-398 Subnormal Inexact Rounded Underflow Clamped
       
  2561 -- some exact zeros from non-zeros
       
  2562 addx61595 add  1E-401   1E-401 ->  0E-398 Subnormal Inexact Rounded Underflow Clamped
       
  2563 addx61596 add -1E-401   1E-401 ->  0E-398 Clamped
       
  2564 addx61597 add  1E-401  -1E-401 ->  0E-398 Clamped
       
  2565 addx61598 add -1E-401  -1E-401 -> -0E-398 Subnormal Inexact Rounded Underflow Clamped
       
  2566 
       
  2567 rounding:    ceiling
       
  2568 -- exact zeros from zeros
       
  2569 addx61600 add  0        0E-19  ->  0E-19
       
  2570 addx61601 add -0        0E-19  ->  0E-19
       
  2571 addx61602 add  0       -0E-19  ->  0E-19
       
  2572 addx61603 add -0       -0E-19  -> -0E-19
       
  2573 addx61604 add  0E-400   0E-19  ->  0E-398 Clamped
       
  2574 addx61605 add -0E-400   0E-19  ->  0E-398 Clamped
       
  2575 addx61606 add  0E-400  -0E-19  ->  0E-398 Clamped
       
  2576 addx61607 add -0E-400  -0E-19  -> -0E-398 Clamped
       
  2577 -- inexact zeros
       
  2578 addx61611 add  1E-401   1E-400 ->  1E-398 Subnormal Inexact Rounded Underflow
       
  2579 addx61612 add -1E-401   1E-400 ->  1E-398 Subnormal Inexact Rounded Underflow
       
  2580 addx61613 add  1E-401  -1E-400 -> -0E-398 Subnormal Inexact Rounded Underflow Clamped
       
  2581 addx61614 add -1E-401  -1E-400 -> -0E-398 Subnormal Inexact Rounded Underflow Clamped
       
  2582 -- some exact zeros from non-zeros
       
  2583 addx61615 add  1E-401   1E-401 ->  1E-398 Subnormal Inexact Rounded Underflow
       
  2584 addx61616 add -1E-401   1E-401 ->  0E-398 Clamped
       
  2585 addx61617 add  1E-401  -1E-401 ->  0E-398 Clamped
       
  2586 addx61618 add -1E-401  -1E-401 -> -0E-398 Subnormal Inexact Rounded Underflow Clamped
       
  2587 
       
  2588 -- and the extra-special ugly case; unusual minuses marked by -- *
       
  2589 rounding:    floor
       
  2590 -- exact zeros from zeros
       
  2591 addx61620 add  0        0E-19  ->  0E-19
       
  2592 addx61621 add -0        0E-19  -> -0E-19           -- *
       
  2593 addx61622 add  0       -0E-19  -> -0E-19           -- *
       
  2594 addx61623 add -0       -0E-19  -> -0E-19
       
  2595 addx61624 add  0E-400   0E-19  ->  0E-398 Clamped
       
  2596 addx61625 add -0E-400   0E-19  -> -0E-398 Clamped  -- *
       
  2597 addx61626 add  0E-400  -0E-19  -> -0E-398 Clamped  -- *
       
  2598 addx61627 add -0E-400  -0E-19  -> -0E-398 Clamped
       
  2599 -- inexact zeros
       
  2600 addx61631 add  1E-401   1E-400 ->  0E-398 Subnormal Inexact Rounded Underflow Clamped
       
  2601 addx61632 add -1E-401   1E-400 ->  0E-398 Subnormal Inexact Rounded Underflow Clamped
       
  2602 addx61633 add  1E-401  -1E-400 -> -1E-398 Subnormal Inexact Rounded Underflow
       
  2603 addx61634 add -1E-401  -1E-400 -> -1E-398 Subnormal Inexact Rounded Underflow
       
  2604 -- some exact zeros from non-zeros
       
  2605 addx61635 add  1E-401   1E-401 ->  0E-398 Subnormal Inexact Rounded Underflow Clamped
       
  2606 addx61636 add -1E-401   1E-401 -> -0E-398 Clamped  -- *
       
  2607 addx61637 add  1E-401  -1E-401 -> -0E-398 Clamped  -- *
       
  2608 addx61638 add -1E-401  -1E-401 -> -1E-398 Subnormal Inexact Rounded Underflow
       
  2609 
       
  2610 -- Examples from SQL proposal (Krishna Kulkarni)
       
  2611 addx61701 add 130E-2    120E-2    -> 2.50
       
  2612 addx61702 add 130E-2    12E-1     -> 2.50
       
  2613 addx61703 add 130E-2    1E0       -> 2.30
       
  2614 addx61704 add 1E2       1E4       -> 1.01E+4
       
  2615 addx61705 subtract 130E-2  120E-2 -> 0.10
       
  2616 addx61706 subtract 130E-2  12E-1  -> 0.10
       
  2617 addx61707 subtract 130E-2  1E0    -> 0.30
       
  2618 addx61708 subtract 1E2     1E4    -> -9.9E+3
       
  2619 
       
  2620 -- Gappy coefficients; check residue handling even with full coefficient gap
       
  2621 rounding: half_even
       
  2622 
       
  2623 addx62001 add 1234567890123456 1      -> 1234567890123457
       
  2624 addx62002 add 1234567890123456 0.6    -> 1234567890123457  Inexact Rounded
       
  2625 addx62003 add 1234567890123456 0.06   -> 1234567890123456  Inexact Rounded
       
  2626 addx62004 add 1234567890123456 6E-3   -> 1234567890123456  Inexact Rounded
       
  2627 addx62005 add 1234567890123456 6E-4   -> 1234567890123456  Inexact Rounded
       
  2628 addx62006 add 1234567890123456 6E-5   -> 1234567890123456  Inexact Rounded
       
  2629 addx62007 add 1234567890123456 6E-6   -> 1234567890123456  Inexact Rounded
       
  2630 addx62008 add 1234567890123456 6E-7   -> 1234567890123456  Inexact Rounded
       
  2631 addx62009 add 1234567890123456 6E-8   -> 1234567890123456  Inexact Rounded
       
  2632 addx62010 add 1234567890123456 6E-9   -> 1234567890123456  Inexact Rounded
       
  2633 addx62011 add 1234567890123456 6E-10  -> 1234567890123456  Inexact Rounded
       
  2634 addx62012 add 1234567890123456 6E-11  -> 1234567890123456  Inexact Rounded
       
  2635 addx62013 add 1234567890123456 6E-12  -> 1234567890123456  Inexact Rounded
       
  2636 addx62014 add 1234567890123456 6E-13  -> 1234567890123456  Inexact Rounded
       
  2637 addx62015 add 1234567890123456 6E-14  -> 1234567890123456  Inexact Rounded
       
  2638 addx62016 add 1234567890123456 6E-15  -> 1234567890123456  Inexact Rounded
       
  2639 addx62017 add 1234567890123456 6E-16  -> 1234567890123456  Inexact Rounded
       
  2640 addx62018 add 1234567890123456 6E-17  -> 1234567890123456  Inexact Rounded
       
  2641 addx62019 add 1234567890123456 6E-18  -> 1234567890123456  Inexact Rounded
       
  2642 addx62020 add 1234567890123456 6E-19  -> 1234567890123456  Inexact Rounded
       
  2643 addx62021 add 1234567890123456 6E-20  -> 1234567890123456  Inexact Rounded
       
  2644 
       
  2645 -- widening second argument at gap
       
  2646 addx62030 add 12345678 1                       -> 12345679
       
  2647 addx62031 add 12345678 0.1                     -> 12345678.1
       
  2648 addx62032 add 12345678 0.12                    -> 12345678.12
       
  2649 addx62033 add 12345678 0.123                   -> 12345678.123
       
  2650 addx62034 add 12345678 0.1234                  -> 12345678.1234
       
  2651 addx62035 add 12345678 0.12345                 -> 12345678.12345
       
  2652 addx62036 add 12345678 0.123456                -> 12345678.123456
       
  2653 addx62037 add 12345678 0.1234567               -> 12345678.1234567
       
  2654 addx62038 add 12345678 0.12345678              -> 12345678.12345678
       
  2655 addx62039 add 12345678 0.123456789             -> 12345678.12345679 Inexact Rounded
       
  2656 addx62040 add 12345678 0.123456785             -> 12345678.12345678 Inexact Rounded
       
  2657 addx62041 add 12345678 0.1234567850            -> 12345678.12345678 Inexact Rounded
       
  2658 addx62042 add 12345678 0.1234567851            -> 12345678.12345679 Inexact Rounded
       
  2659 addx62043 add 12345678 0.12345678501           -> 12345678.12345679 Inexact Rounded
       
  2660 addx62044 add 12345678 0.123456785001          -> 12345678.12345679 Inexact Rounded
       
  2661 addx62045 add 12345678 0.1234567850001         -> 12345678.12345679 Inexact Rounded
       
  2662 addx62046 add 12345678 0.12345678500001        -> 12345678.12345679 Inexact Rounded
       
  2663 addx62047 add 12345678 0.123456785000001       -> 12345678.12345679 Inexact Rounded
       
  2664 addx62048 add 12345678 0.1234567850000001      -> 12345678.12345679 Inexact Rounded
       
  2665 addx62049 add 12345678 0.1234567850000000      -> 12345678.12345678 Inexact Rounded
       
  2666 --                               90123456
       
  2667 rounding: half_even
       
  2668 addx62050 add 12345678 0.0234567750000000      -> 12345678.02345678 Inexact Rounded
       
  2669 addx62051 add 12345678 0.0034567750000000      -> 12345678.00345678 Inexact Rounded
       
  2670 addx62052 add 12345678 0.0004567750000000      -> 12345678.00045678 Inexact Rounded
       
  2671 addx62053 add 12345678 0.0000567750000000      -> 12345678.00005678 Inexact Rounded
       
  2672 addx62054 add 12345678 0.0000067750000000      -> 12345678.00000678 Inexact Rounded
       
  2673 addx62055 add 12345678 0.0000007750000000      -> 12345678.00000078 Inexact Rounded
       
  2674 addx62056 add 12345678 0.0000000750000000      -> 12345678.00000008 Inexact Rounded
       
  2675 addx62057 add 12345678 0.0000000050000000      -> 12345678.00000000 Inexact Rounded
       
  2676 addx62060 add 12345678 0.0234567750000001      -> 12345678.02345678 Inexact Rounded
       
  2677 addx62061 add 12345678 0.0034567750000001      -> 12345678.00345678 Inexact Rounded
       
  2678 addx62062 add 12345678 0.0004567750000001      -> 12345678.00045678 Inexact Rounded
       
  2679 addx62063 add 12345678 0.0000567750000001      -> 12345678.00005678 Inexact Rounded
       
  2680 addx62064 add 12345678 0.0000067750000001      -> 12345678.00000678 Inexact Rounded
       
  2681 addx62065 add 12345678 0.0000007750000001      -> 12345678.00000078 Inexact Rounded
       
  2682 addx62066 add 12345678 0.0000000750000001      -> 12345678.00000008 Inexact Rounded
       
  2683 addx62067 add 12345678 0.0000000050000001      -> 12345678.00000001 Inexact Rounded
       
  2684 -- far-out residues (full coefficient gap is 16+15 digits)
       
  2685 rounding: up
       
  2686 addx62070 add 12345678 1E-8                    -> 12345678.00000001
       
  2687 addx62071 add 12345678 1E-9                    -> 12345678.00000001 Inexact Rounded
       
  2688 addx62072 add 12345678 1E-10                   -> 12345678.00000001 Inexact Rounded
       
  2689 addx62073 add 12345678 1E-11                   -> 12345678.00000001 Inexact Rounded
       
  2690 addx62074 add 12345678 1E-12                   -> 12345678.00000001 Inexact Rounded
       
  2691 addx62075 add 12345678 1E-13                   -> 12345678.00000001 Inexact Rounded
       
  2692 addx62076 add 12345678 1E-14                   -> 12345678.00000001 Inexact Rounded
       
  2693 addx62077 add 12345678 1E-15                   -> 12345678.00000001 Inexact Rounded
       
  2694 addx62078 add 12345678 1E-16                   -> 12345678.00000001 Inexact Rounded
       
  2695 addx62079 add 12345678 1E-17                   -> 12345678.00000001 Inexact Rounded
       
  2696 addx62080 add 12345678 1E-18                   -> 12345678.00000001 Inexact Rounded
       
  2697 addx62081 add 12345678 1E-19                   -> 12345678.00000001 Inexact Rounded
       
  2698 addx62082 add 12345678 1E-20                   -> 12345678.00000001 Inexact Rounded
       
  2699 addx62083 add 12345678 1E-25                   -> 12345678.00000001 Inexact Rounded
       
  2700 addx62084 add 12345678 1E-30                   -> 12345678.00000001 Inexact Rounded
       
  2701 addx62085 add 12345678 1E-31                   -> 12345678.00000001 Inexact Rounded
       
  2702 addx62086 add 12345678 1E-32                   -> 12345678.00000001 Inexact Rounded
       
  2703 addx62087 add 12345678 1E-33                   -> 12345678.00000001 Inexact Rounded
       
  2704 addx62088 add 12345678 1E-34                   -> 12345678.00000001 Inexact Rounded
       
  2705 addx62089 add 12345678 1E-35                   -> 12345678.00000001 Inexact Rounded
       
  2706 
       
  2707 -- payload decapitate
       
  2708 precision: 5
       
  2709 addx62100 add      11  sNaN123456789 ->  NaN56789  Invalid_operation
       
  2710 addx62101 add     -11 -sNaN123456789 -> -NaN56789  Invalid_operation
       
  2711 addx62102 add      11   NaN123456789 ->  NaN56789
       
  2712 addx62103 add     -11  -NaN123456789 -> -NaN56789
       
  2713 
       
  2714 -- Null tests
       
  2715 addx9990 add 10  # -> NaN Invalid_operation
       
  2716 addx9991 add  # 10 -> NaN Invalid_operation