2007-09-13 15:13:15 -03:00
|
|
|
------------------------------------------------------------------------
|
|
|
|
|
-- dqMinus.decTest -- decQuad 0-x --
|
2008-07-27 03:39:07 -03:00
|
|
|
-- Copyright (c) IBM Corporation, 1981, 2008. All rights reserved. --
|
2007-09-13 15:13:15 -03:00
|
|
|
------------------------------------------------------------------------
|
|
|
|
|
-- 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 --
|
|
|
|
|
------------------------------------------------------------------------
|
2009-10-08 13:28:39 -03:00
|
|
|
version: 2.59
|
2007-09-13 15:13:15 -03:00
|
|
|
|
|
|
|
|
-- 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
|
