mirror of https://github.com/python/cpython
89 lines
3.8 KiB
Plaintext
89 lines
3.8 KiB
Plaintext
------------------------------------------------------------------------
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-- ddCopyNegate.decTest -- quiet decDouble copy and negate --
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-- Copyright (c) IBM Corporation, 1981, 2007. All rights reserved. --
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------------------------------------------------------------------------
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-- Please see the document "General Decimal Arithmetic Testcases" --
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-- at http://www2.hursley.ibm.com/decimal for the description of --
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-- these testcases. --
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-- --
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-- These testcases are experimental ('beta' versions), and they --
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-- may contain errors. They are offered on an as-is basis. In --
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-- particular, achieving the same results as the tests here is not --
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-- a guarantee that an implementation complies with any Standard --
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-- or specification. The tests are not exhaustive. --
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-- --
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-- Please send comments, suggestions, and corrections to the author: --
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-- Mike Cowlishaw, IBM Fellow --
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-- IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK --
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-- mfc@uk.ibm.com --
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------------------------------------------------------------------------
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version: 2.56
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-- All operands and results are decDoubles.
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precision: 16
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maxExponent: 384
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minExponent: -383
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extended: 1
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clamp: 1
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rounding: half_even
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-- Sanity check
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ddcpn001 copynegate +7.50 -> -7.50
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-- Infinities
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ddcpn011 copynegate Infinity -> -Infinity
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ddcpn012 copynegate -Infinity -> Infinity
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-- NaNs, 0 payload
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ddcpn021 copynegate NaN -> -NaN
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ddcpn022 copynegate -NaN -> NaN
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ddcpn023 copynegate sNaN -> -sNaN
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ddcpn024 copynegate -sNaN -> sNaN
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-- NaNs, non-0 payload
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ddcpn031 copynegate NaN13 -> -NaN13
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ddcpn032 copynegate -NaN13 -> NaN13
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ddcpn033 copynegate sNaN13 -> -sNaN13
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ddcpn034 copynegate -sNaN13 -> sNaN13
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ddcpn035 copynegate NaN70 -> -NaN70
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ddcpn036 copynegate -NaN70 -> NaN70
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ddcpn037 copynegate sNaN101 -> -sNaN101
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ddcpn038 copynegate -sNaN101 -> sNaN101
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-- finites
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ddcpn101 copynegate 7 -> -7
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ddcpn102 copynegate -7 -> 7
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ddcpn103 copynegate 75 -> -75
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ddcpn104 copynegate -75 -> 75
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ddcpn105 copynegate 7.50 -> -7.50
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ddcpn106 copynegate -7.50 -> 7.50
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ddcpn107 copynegate 7.500 -> -7.500
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ddcpn108 copynegate -7.500 -> 7.500
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-- zeros
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ddcpn111 copynegate 0 -> -0
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ddcpn112 copynegate -0 -> 0
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ddcpn113 copynegate 0E+4 -> -0E+4
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ddcpn114 copynegate -0E+4 -> 0E+4
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ddcpn115 copynegate 0.0000 -> -0.0000
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ddcpn116 copynegate -0.0000 -> 0.0000
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ddcpn117 copynegate 0E-141 -> -0E-141
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ddcpn118 copynegate -0E-141 -> 0E-141
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-- full coefficients, alternating bits
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ddcpn121 copynegate 2682682682682682 -> -2682682682682682
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ddcpn122 copynegate -2682682682682682 -> 2682682682682682
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ddcpn123 copynegate 1341341341341341 -> -1341341341341341
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ddcpn124 copynegate -1341341341341341 -> 1341341341341341
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-- Nmax, Nmin, Ntiny
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ddcpn131 copynegate 9.999999999999999E+384 -> -9.999999999999999E+384
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ddcpn132 copynegate 1E-383 -> -1E-383
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ddcpn133 copynegate 1.000000000000000E-383 -> -1.000000000000000E-383
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ddcpn134 copynegate 1E-398 -> -1E-398
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ddcpn135 copynegate -1E-398 -> 1E-398
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ddcpn136 copynegate -1.000000000000000E-383 -> 1.000000000000000E-383
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ddcpn137 copynegate -1E-383 -> 1E-383
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ddcpn138 copynegate -9.999999999999999E+384 -> 9.999999999999999E+384
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