mirrors/cpython
0
0
Fork 0
mirror of https://github.com/python/cpython.git synced 2024-12-24 01:05:10 +08:00
Code Issues Packages Projects Releases Wiki Activity
86eeeb4259
cpython/Lib/test/decimaltestdata/copysign.decTest

178 lines
7.2 KiB
Plaintext
Raw Blame History

------------------------------------------------------------------------
-- copysign.decTest -- quiet copy with sign from rhs --
-- 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
extended: 1
precision: 9
rounding: half_up
maxExponent: 999
minExponent: -999
-- Sanity check, and examples from decArith
cpsx001 copysign +7.50 11 -> 7.50
cpsx002 copysign '1.50' '7.33' -> 1.50
cpsx003 copysign '-1.50' '7.33' -> 1.50
cpsx004 copysign '1.50' '-7.33' -> -1.50
cpsx005 copysign '-1.50' '-7.33' -> -1.50
-- Infinities
cpsx011 copysign Infinity 11 -> Infinity
cpsx012 copysign -Infinity 11 -> Infinity
-- NaNs, 0 payload
cpsx021 copysign NaN 11 -> NaN
cpsx022 copysign -NaN 11 -> NaN
cpsx023 copysign sNaN 11 -> sNaN
cpsx024 copysign -sNaN 11 -> sNaN
-- NaNs, non-0 payload
cpsx031 copysign NaN10 11 -> NaN10
cpsx032 copysign -NaN10 11 -> NaN10
cpsx033 copysign sNaN10 11 -> sNaN10
cpsx034 copysign -sNaN10 11 -> sNaN10
cpsx035 copysign NaN7 11 -> NaN7
cpsx036 copysign -NaN7 11 -> NaN7
cpsx037 copysign sNaN101 11 -> sNaN101
cpsx038 copysign -sNaN101 11 -> sNaN101
-- finites
cpsx101 copysign 7 11 -> 7
cpsx102 copysign -7 11 -> 7
cpsx103 copysign 75 11 -> 75
cpsx104 copysign -75 11 -> 75
cpsx105 copysign 7.50 11 -> 7.50
cpsx106 copysign -7.50 11 -> 7.50
cpsx107 copysign 7.500 11 -> 7.500
cpsx108 copysign -7.500 11 -> 7.500
-- zeros
cpsx111 copysign 0 11 -> 0
cpsx112 copysign -0 11 -> 0
cpsx113 copysign 0E+4 11 -> 0E+4
cpsx114 copysign -0E+4 11 -> 0E+4
cpsx115 copysign 0.0000 11 -> 0.0000
cpsx116 copysign -0.0000 11 -> 0.0000
cpsx117 copysign 0E-141 11 -> 0E-141
cpsx118 copysign -0E-141 11 -> 0E-141
-- full coefficients, alternating bits
cpsx121 copysign 268268268 11 -> 268268268
cpsx122 copysign -268268268 11 -> 268268268
cpsx123 copysign 134134134 11 -> 134134134
cpsx124 copysign -134134134 11 -> 134134134
-- Nmax, Nmin, Ntiny
cpsx131 copysign 9.99999999E+999 11 -> 9.99999999E+999
cpsx132 copysign 1E-999 11 -> 1E-999
cpsx133 copysign 1.00000000E-999 11 -> 1.00000000E-999
cpsx134 copysign 1E-1007 11 -> 1E-1007
cpsx135 copysign -1E-1007 11 -> 1E-1007
cpsx136 copysign -1.00000000E-999 11 -> 1.00000000E-999
cpsx137 copysign -1E-999 11 -> 1E-999
cpsx138 copysign -9.99999999E+999 11 -> 9.99999999E+999
-- repeat with negative RHS
-- Infinities
cpsx211 copysign Infinity -34 -> -Infinity
cpsx212 copysign -Infinity -34 -> -Infinity
-- NaNs, 0 payload
cpsx221 copysign NaN -34 -> -NaN
cpsx222 copysign -NaN -34 -> -NaN
cpsx223 copysign sNaN -34 -> -sNaN
cpsx224 copysign -sNaN -34 -> -sNaN
-- NaNs, non-0 payload
cpsx231 copysign NaN10 -34 -> -NaN10
cpsx232 copysign -NaN10 -34 -> -NaN10
cpsx233 copysign sNaN10 -34 -> -sNaN10
cpsx234 copysign -sNaN10 -34 -> -sNaN10
cpsx235 copysign NaN7 -34 -> -NaN7
cpsx236 copysign -NaN7 -34 -> -NaN7
cpsx237 copysign sNaN101 -34 -> -sNaN101
cpsx238 copysign -sNaN101 -34 -> -sNaN101
-- finites
cpsx301 copysign 7 -34 -> -7
cpsx302 copysign -7 -34 -> -7
cpsx303 copysign 75 -34 -> -75
cpsx304 copysign -75 -34 -> -75
cpsx305 copysign 7.50 -34 -> -7.50
cpsx306 copysign -7.50 -34 -> -7.50
cpsx307 copysign 7.500 -34 -> -7.500
cpsx308 copysign -7.500 -34 -> -7.500
-- zeros
cpsx311 copysign 0 -34 -> -0
cpsx312 copysign -0 -34 -> -0
cpsx313 copysign 0E+4 -34 -> -0E+4
cpsx314 copysign -0E+4 -34 -> -0E+4
cpsx315 copysign 0.0000 -34 -> -0.0000
cpsx316 copysign -0.0000 -34 -> -0.0000
cpsx317 copysign 0E-141 -34 -> -0E-141
cpsx318 copysign -0E-141 -34 -> -0E-141
-- full coefficients, alternating bits
cpsx321 copysign 268268268 -18 -> -268268268
cpsx322 copysign -268268268 -18 -> -268268268
cpsx323 copysign 134134134 -18 -> -134134134
cpsx324 copysign -134134134 -18 -> -134134134
-- Nmax, Nmin, Ntiny
cpsx331 copysign 9.99999999E+999 -18 -> -9.99999999E+999
cpsx332 copysign 1E-999 -18 -> -1E-999
cpsx333 copysign 1.00000000E-999 -18 -> -1.00000000E-999
cpsx334 copysign 1E-1007 -18 -> -1E-1007
cpsx335 copysign -1E-1007 -18 -> -1E-1007
cpsx336 copysign -1.00000000E-999 -18 -> -1.00000000E-999
cpsx337 copysign -1E-999 -18 -> -1E-999
cpsx338 copysign -9.99999999E+999 -18 -> -9.99999999E+999
-- Other kinds of RHS
cpsx401 copysign 701 -34 -> -701
cpsx402 copysign -720 -34 -> -720
cpsx403 copysign 701 -0 -> -701
cpsx404 copysign -720 -0 -> -720
cpsx405 copysign 701 +0 -> 701
cpsx406 copysign -720 +0 -> 720
cpsx407 copysign 701 +34 -> 701
cpsx408 copysign -720 +34 -> 720
cpsx413 copysign 701 -Inf -> -701
cpsx414 copysign -720 -Inf -> -720
cpsx415 copysign 701 +Inf -> 701
cpsx416 copysign -720 +Inf -> 720
cpsx420 copysign 701 -NaN -> -701
cpsx421 copysign -720 -NaN -> -720
cpsx422 copysign 701 +NaN -> 701
cpsx423 copysign -720 +NaN -> 720
cpsx425 copysign -720 +NaN8 -> 720
cpsx426 copysign 701 -sNaN -> -701
cpsx427 copysign -720 -sNaN -> -720
cpsx428 copysign 701 +sNaN -> 701
cpsx429 copysign -720 +sNaN -> 720
cpsx430 copysign -720 +sNaN3 -> 720
Reference in New Issue View Git Blame Copy Permalink