|
1 ------------------------------------------------------------------------ |
|
2 -- ddNextMinus.decTest -- decDouble next that is less [754r nextdown] -- |
|
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 -- All operands and results are decDoubles. |
|
23 precision: 16 |
|
24 maxExponent: 384 |
|
25 minExponent: -383 |
|
26 extended: 1 |
|
27 clamp: 1 |
|
28 rounding: half_even |
|
29 |
|
30 ddnextm001 nextminus 0.9999999999999995 -> 0.9999999999999994 |
|
31 ddnextm002 nextminus 0.9999999999999996 -> 0.9999999999999995 |
|
32 ddnextm003 nextminus 0.9999999999999997 -> 0.9999999999999996 |
|
33 ddnextm004 nextminus 0.9999999999999998 -> 0.9999999999999997 |
|
34 ddnextm005 nextminus 0.9999999999999999 -> 0.9999999999999998 |
|
35 ddnextm006 nextminus 1.000000000000000 -> 0.9999999999999999 |
|
36 ddnextm007 nextminus 1.0 -> 0.9999999999999999 |
|
37 ddnextm008 nextminus 1 -> 0.9999999999999999 |
|
38 ddnextm009 nextminus 1.000000000000001 -> 1.000000000000000 |
|
39 ddnextm010 nextminus 1.000000000000002 -> 1.000000000000001 |
|
40 ddnextm011 nextminus 1.000000000000003 -> 1.000000000000002 |
|
41 ddnextm012 nextminus 1.000000000000004 -> 1.000000000000003 |
|
42 ddnextm013 nextminus 1.000000000000005 -> 1.000000000000004 |
|
43 ddnextm014 nextminus 1.000000000000006 -> 1.000000000000005 |
|
44 ddnextm015 nextminus 1.000000000000007 -> 1.000000000000006 |
|
45 ddnextm016 nextminus 1.000000000000008 -> 1.000000000000007 |
|
46 ddnextm017 nextminus 1.000000000000009 -> 1.000000000000008 |
|
47 ddnextm018 nextminus 1.000000000000010 -> 1.000000000000009 |
|
48 ddnextm019 nextminus 1.000000000000011 -> 1.000000000000010 |
|
49 ddnextm020 nextminus 1.000000000000012 -> 1.000000000000011 |
|
50 |
|
51 ddnextm021 nextminus -0.9999999999999995 -> -0.9999999999999996 |
|
52 ddnextm022 nextminus -0.9999999999999996 -> -0.9999999999999997 |
|
53 ddnextm023 nextminus -0.9999999999999997 -> -0.9999999999999998 |
|
54 ddnextm024 nextminus -0.9999999999999998 -> -0.9999999999999999 |
|
55 ddnextm025 nextminus -0.9999999999999999 -> -1.000000000000000 |
|
56 ddnextm026 nextminus -1.000000000000000 -> -1.000000000000001 |
|
57 ddnextm027 nextminus -1.0 -> -1.000000000000001 |
|
58 ddnextm028 nextminus -1 -> -1.000000000000001 |
|
59 ddnextm029 nextminus -1.000000000000001 -> -1.000000000000002 |
|
60 ddnextm030 nextminus -1.000000000000002 -> -1.000000000000003 |
|
61 ddnextm031 nextminus -1.000000000000003 -> -1.000000000000004 |
|
62 ddnextm032 nextminus -1.000000000000004 -> -1.000000000000005 |
|
63 ddnextm033 nextminus -1.000000000000005 -> -1.000000000000006 |
|
64 ddnextm034 nextminus -1.000000000000006 -> -1.000000000000007 |
|
65 ddnextm035 nextminus -1.000000000000007 -> -1.000000000000008 |
|
66 ddnextm036 nextminus -1.000000000000008 -> -1.000000000000009 |
|
67 ddnextm037 nextminus -1.000000000000009 -> -1.000000000000010 |
|
68 ddnextm038 nextminus -1.000000000000010 -> -1.000000000000011 |
|
69 ddnextm039 nextminus -1.000000000000011 -> -1.000000000000012 |
|
70 |
|
71 -- ultra-tiny inputs |
|
72 ddnextm062 nextminus 1E-398 -> 0E-398 |
|
73 ddnextm065 nextminus -1E-398 -> -2E-398 |
|
74 |
|
75 -- Zeros |
|
76 ddnextm100 nextminus -0 -> -1E-398 |
|
77 ddnextm101 nextminus 0 -> -1E-398 |
|
78 ddnextm102 nextminus 0.00 -> -1E-398 |
|
79 ddnextm103 nextminus -0.00 -> -1E-398 |
|
80 ddnextm104 nextminus 0E-300 -> -1E-398 |
|
81 ddnextm105 nextminus 0E+300 -> -1E-398 |
|
82 ddnextm106 nextminus 0E+30000 -> -1E-398 |
|
83 ddnextm107 nextminus -0E+30000 -> -1E-398 |
|
84 |
|
85 -- specials |
|
86 ddnextm150 nextminus Inf -> 9.999999999999999E+384 |
|
87 ddnextm151 nextminus -Inf -> -Infinity |
|
88 ddnextm152 nextminus NaN -> NaN |
|
89 ddnextm153 nextminus sNaN -> NaN Invalid_operation |
|
90 ddnextm154 nextminus NaN77 -> NaN77 |
|
91 ddnextm155 nextminus sNaN88 -> NaN88 Invalid_operation |
|
92 ddnextm156 nextminus -NaN -> -NaN |
|
93 ddnextm157 nextminus -sNaN -> -NaN Invalid_operation |
|
94 ddnextm158 nextminus -NaN77 -> -NaN77 |
|
95 ddnextm159 nextminus -sNaN88 -> -NaN88 Invalid_operation |
|
96 |
|
97 -- Nmax, Nmin, Ntiny, subnormals |
|
98 ddnextm170 nextminus 9.999999999999999E+384 -> 9.999999999999998E+384 |
|
99 ddnextm171 nextminus 9.999999999999998E+384 -> 9.999999999999997E+384 |
|
100 ddnextm172 nextminus 1E-383 -> 9.99999999999999E-384 |
|
101 ddnextm173 nextminus 1.000000000000000E-383 -> 9.99999999999999E-384 |
|
102 ddnextm174 nextminus 9E-398 -> 8E-398 |
|
103 ddnextm175 nextminus 9.9E-397 -> 9.8E-397 |
|
104 ddnextm176 nextminus 9.99999999999E-387 -> 9.99999999998E-387 |
|
105 ddnextm177 nextminus 9.99999999999999E-384 -> 9.99999999999998E-384 |
|
106 ddnextm178 nextminus 9.99999999999998E-384 -> 9.99999999999997E-384 |
|
107 ddnextm179 nextminus 9.99999999999997E-384 -> 9.99999999999996E-384 |
|
108 ddnextm180 nextminus 0E-398 -> -1E-398 |
|
109 ddnextm181 nextminus 1E-398 -> 0E-398 |
|
110 ddnextm182 nextminus 2E-398 -> 1E-398 |
|
111 |
|
112 ddnextm183 nextminus -0E-398 -> -1E-398 |
|
113 ddnextm184 nextminus -1E-398 -> -2E-398 |
|
114 ddnextm185 nextminus -2E-398 -> -3E-398 |
|
115 ddnextm186 nextminus -10E-398 -> -1.1E-397 |
|
116 ddnextm187 nextminus -100E-398 -> -1.01E-396 |
|
117 ddnextm188 nextminus -100000E-398 -> -1.00001E-393 |
|
118 ddnextm189 nextminus -1.00000000000E-383 -> -1.000000000000001E-383 |
|
119 ddnextm190 nextminus -1.000000000000000E-383 -> -1.000000000000001E-383 |
|
120 ddnextm191 nextminus -1E-383 -> -1.000000000000001E-383 |
|
121 ddnextm192 nextminus -9.999999999999998E+384 -> -9.999999999999999E+384 |
|
122 ddnextm193 nextminus -9.999999999999999E+384 -> -Infinity |
|
123 |
|
124 -- Null tests |
|
125 ddnextm900 nextminus # -> NaN Invalid_operation |
|
126 |