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✏️ copysign.decTest
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------------------------------------------------------------------------ -- 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
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