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✏️ dqMinus.decTest
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------------------------------------------------------------------------ -- 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: 2.59 -- 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
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