/usr/lib/python3.4/test/decimaltestdata/ddCopyNegate.decTest is in libpython3.4-testsuite 3.4.2-1.
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-- ddCopyNegate.decTest -- quiet decDouble copy and negate --
-- 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 decDoubles.
precision: 16
maxExponent: 384
minExponent: -383
extended: 1
clamp: 1
rounding: half_even
-- Sanity check
ddcpn001 copynegate +7.50 -> -7.50
-- Infinities
ddcpn011 copynegate Infinity -> -Infinity
ddcpn012 copynegate -Infinity -> Infinity
-- NaNs, 0 payload
ddcpn021 copynegate NaN -> -NaN
ddcpn022 copynegate -NaN -> NaN
ddcpn023 copynegate sNaN -> -sNaN
ddcpn024 copynegate -sNaN -> sNaN
-- NaNs, non-0 payload
ddcpn031 copynegate NaN13 -> -NaN13
ddcpn032 copynegate -NaN13 -> NaN13
ddcpn033 copynegate sNaN13 -> -sNaN13
ddcpn034 copynegate -sNaN13 -> sNaN13
ddcpn035 copynegate NaN70 -> -NaN70
ddcpn036 copynegate -NaN70 -> NaN70
ddcpn037 copynegate sNaN101 -> -sNaN101
ddcpn038 copynegate -sNaN101 -> sNaN101
-- finites
ddcpn101 copynegate 7 -> -7
ddcpn102 copynegate -7 -> 7
ddcpn103 copynegate 75 -> -75
ddcpn104 copynegate -75 -> 75
ddcpn105 copynegate 7.50 -> -7.50
ddcpn106 copynegate -7.50 -> 7.50
ddcpn107 copynegate 7.500 -> -7.500
ddcpn108 copynegate -7.500 -> 7.500
-- zeros
ddcpn111 copynegate 0 -> -0
ddcpn112 copynegate -0 -> 0
ddcpn113 copynegate 0E+4 -> -0E+4
ddcpn114 copynegate -0E+4 -> 0E+4
ddcpn115 copynegate 0.0000 -> -0.0000
ddcpn116 copynegate -0.0000 -> 0.0000
ddcpn117 copynegate 0E-141 -> -0E-141
ddcpn118 copynegate -0E-141 -> 0E-141
-- full coefficients, alternating bits
ddcpn121 copynegate 2682682682682682 -> -2682682682682682
ddcpn122 copynegate -2682682682682682 -> 2682682682682682
ddcpn123 copynegate 1341341341341341 -> -1341341341341341
ddcpn124 copynegate -1341341341341341 -> 1341341341341341
-- Nmax, Nmin, Ntiny
ddcpn131 copynegate 9.999999999999999E+384 -> -9.999999999999999E+384
ddcpn132 copynegate 1E-383 -> -1E-383
ddcpn133 copynegate 1.000000000000000E-383 -> -1.000000000000000E-383
ddcpn134 copynegate 1E-398 -> -1E-398
ddcpn135 copynegate -1E-398 -> 1E-398
ddcpn136 copynegate -1.000000000000000E-383 -> 1.000000000000000E-383
ddcpn137 copynegate -1E-383 -> 1E-383
ddcpn138 copynegate -9.999999999999999E+384 -> 9.999999999999999E+384
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