------------------------------------------------------------------------

-- ddMinus.decTest -- decDouble 0-x                                   --

-- Copyright (c) IBM Corporation, 1981, 2007.  All rights reserved.   --

------------------------------------------------------------------------

-- Please see the document "General Decimal Arithmetic Testcases"     --

-- at http://www2.hursley.ibm.com/decimal for the description of      --

-- these testcases.                                                   --

--                                                                    --

-- These testcases are experimental ('beta' versions), and they       --

-- may contain errors.  They are offered on an as-is basis.  In       --

-- particular, achieving the same results as the tests here is not    --

-- a guarantee that an implementation complies with any Standard      --

-- or specification.  The tests are not exhaustive.                   --

--                                                                    --

-- Please send comments, suggestions, and corrections to the author:  --

--   Mike Cowlishaw, IBM Fellow                                       --

--   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --

--   mfc@uk.ibm.com                                                   --

------------------------------------------------------------------------

version: 2.57

-- All operands and results are decDoubles.

precision:   16

maxExponent: 384

minExponent: -383

extended:    1

clamp:       1

rounding:    half_even

-- Sanity check

ddmns001 minus       +7.50  -> -7.50

-- Infinities

ddmns011 minus  Infinity    -> -Infinity

ddmns012 minus  -Infinity   -> Infinity

-- NaNs, 0 payload

ddmns021 minus         NaN  -> NaN

ddmns022 minus        -NaN  -> -NaN

ddmns023 minus        sNaN  -> NaN  Invalid_operation

ddmns024 minus       -sNaN  -> -NaN Invalid_operation

-- NaNs, non-0 payload

ddmns031 minus       NaN13  -> NaN13

ddmns032 minus      -NaN13  -> -NaN13

ddmns033 minus      sNaN13  -> NaN13   Invalid_operation

ddmns034 minus     -sNaN13  -> -NaN13  Invalid_operation

ddmns035 minus       NaN70  -> NaN70

ddmns036 minus      -NaN70  -> -NaN70

ddmns037 minus      sNaN101 -> NaN101  Invalid_operation

ddmns038 minus     -sNaN101 -> -NaN101 Invalid_operation

-- finites

ddmns101 minus          7   -> -7

ddmns102 minus         -7   -> 7

ddmns103 minus         75   -> -75

ddmns104 minus        -75   -> 75

ddmns105 minus       7.50   -> -7.50

ddmns106 minus      -7.50   -> 7.50

ddmns107 minus       7.500  -> -7.500

ddmns108 minus      -7.500  -> 7.500

-- zeros

ddmns111 minus          0   -> 0

ddmns112 minus         -0   -> 0

ddmns113 minus       0E+4   -> 0E+4

ddmns114 minus      -0E+4   -> 0E+4

ddmns115 minus     0.0000   -> 0.0000

ddmns116 minus    -0.0000   -> 0.0000

ddmns117 minus      0E-141  -> 0E-141

ddmns118 minus     -0E-141  -> 0E-141

-- full coefficients, alternating bits

ddmns121 minus  2682682682682682         -> -2682682682682682

ddmns122 minus  -2682682682682682        -> 2682682682682682

ddmns123 minus  1341341341341341         -> -1341341341341341

ddmns124 minus  -1341341341341341        -> 1341341341341341

-- Nmax, Nmin, Ntiny

ddmns131 minus  9.999999999999999E+384   -> -9.999999999999999E+384

ddmns132 minus  1E-383                   -> -1E-383

ddmns133 minus  1.000000000000000E-383   -> -1.000000000000000E-383

ddmns134 minus  1E-398                   -> -1E-398 Subnormal

ddmns135 minus  -1E-398                  -> 1E-398 Subnormal

ddmns136 minus  -1.000000000000000E-383  -> 1.000000000000000E-383

ddmns137 minus  -1E-383                  -> 1E-383

ddmns138 minus  -9.999999999999999E+384  -> 9.999999999999999E+384