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

-- dqMinus.decTest -- decQuad 0-x                                     --

-- Copyright (c) IBM Corporation, 1981, 2008.  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: 2.58



-- All operands and results are decQuads.

extended:    1

clamp:       1

precision:   34

maxExponent: 6144

minExponent: -6143

rounding:    half_even



-- Sanity check

dqmns001 minus       +7.50  -> -7.50



-- Infinities

dqmns011 minus  Infinity    -> -Infinity

dqmns012 minus  -Infinity   -> Infinity



-- NaNs, 0 payload

dqmns021 minus         NaN  -> NaN

dqmns022 minus        -NaN  -> -NaN

dqmns023 minus        sNaN  -> NaN  Invalid_operation

dqmns024 minus       -sNaN  -> -NaN Invalid_operation



-- NaNs, non-0 payload

dqmns031 minus       NaN13  -> NaN13

dqmns032 minus      -NaN13  -> -NaN13

dqmns033 minus      sNaN13  -> NaN13   Invalid_operation

dqmns034 minus     -sNaN13  -> -NaN13  Invalid_operation

dqmns035 minus       NaN70  -> NaN70

dqmns036 minus      -NaN70  -> -NaN70

dqmns037 minus      sNaN101 -> NaN101  Invalid_operation

dqmns038 minus     -sNaN101 -> -NaN101 Invalid_operation



-- finites

dqmns101 minus          7   -> -7

dqmns102 minus         -7   -> 7

dqmns103 minus         75   -> -75

dqmns104 minus        -75   -> 75

dqmns105 minus       7.50   -> -7.50

dqmns106 minus      -7.50   -> 7.50

dqmns107 minus       7.500  -> -7.500

dqmns108 minus      -7.500  -> 7.500



-- zeros

dqmns111 minus          0   -> 0

dqmns112 minus         -0   -> 0

dqmns113 minus       0E+4   -> 0E+4

dqmns114 minus      -0E+4   -> 0E+4

dqmns115 minus     0.0000   -> 0.0000

dqmns116 minus    -0.0000   -> 0.0000

dqmns117 minus      0E-141  -> 0E-141

dqmns118 minus     -0E-141  -> 0E-141



-- full coefficients, alternating bits

dqmns121 minus   2682682682682682682682682682682682    -> -2682682682682682682682682682682682

dqmns122 minus  -2682682682682682682682682682682682    ->  2682682682682682682682682682682682

dqmns123 minus   1341341341341341341341341341341341    -> -1341341341341341341341341341341341

dqmns124 minus  -1341341341341341341341341341341341    ->  1341341341341341341341341341341341



-- Nmax, Nmin, Ntiny

dqmns131 minus  9.999999999999999999999999999999999E+6144   -> -9.999999999999999999999999999999999E+6144

dqmns132 minus  1E-6143                                     -> -1E-6143

dqmns133 minus  1.000000000000000000000000000000000E-6143   -> -1.000000000000000000000000000000000E-6143

dqmns134 minus  1E-6176                                     -> -1E-6176 Subnormal



dqmns135 minus  -1E-6176                                    ->  1E-6176 Subnormal

dqmns136 minus  -1.000000000000000000000000000000000E-6143  ->  1.000000000000000000000000000000000E-6143

dqmns137 minus  -1E-6143                                    ->  1E-6143

dqmns138 minus  -9.999999999999999999999999999999999E+6144  ->  9.999999999999999999999999999999999E+6144

