X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=tests%2Ftest-isnanf.c;h=bf51f3c4d50878feef670d17186a134bed3a47f2;hb=23eecb48e39afd0d267d64d40ba6bf97aa865e13;hp=428c2377299bc093e65ca6cf15ceaf23c56bc08c;hpb=75d146361fe980e1e1bbb9639edc6fbed5345e82;p=gnulib.git diff --git a/tests/test-isnanf.c b/tests/test-isnanf.c index 428c23772..bf51f3c4d 100644 --- a/tests/test-isnanf.c +++ b/tests/test-isnanf.c @@ -1,10 +1,10 @@ /* Test of isnanf() substitute. - Copyright (C) 2007 Free Software Foundation, Inc. + Copyright (C) 2007-2013 Free Software Foundation, Inc. - This program is free software; you can redistribute it and/or modify + This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of @@ -12,77 +12,10 @@ GNU General Public License for more details. You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software Foundation, - Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ - -/* Written by Bruno Haible , 2007. */ + along with this program. If not, see . */ #include -#include "isnanf.h" - -#include -#include -#include - -#define ASSERT(expr) \ - do \ - { \ - if (!(expr)) \ - { \ - fprintf (stderr, "%s:%d: assertion failed\n", __FILE__, __LINE__); \ - abort (); \ - } \ - } \ - while (0) - -/* The Compaq (ex-DEC) C 6.4 compiler chokes on the expression 0.0 / 0.0. */ -#ifdef __DECC -static float -NaN () -{ - static float zero = 0.0f; - return zero / zero; -} -#else -# define NaN() (0.0f / 0.0f) -#endif +#include -int -main () -{ - /* Finite values. */ - ASSERT (!isnanf (3.141f)); - ASSERT (!isnanf (3.141e30f)); - ASSERT (!isnanf (3.141e-30f)); - ASSERT (!isnanf (-2.718f)); - ASSERT (!isnanf (-2.718e30f)); - ASSERT (!isnanf (-2.718e-30f)); - /* Infinite values. */ - ASSERT (!isnanf (1.0f / 0.0f)); - ASSERT (!isnanf (-1.0f / 0.0f)); - /* Quiet NaN. */ - ASSERT (isnanf (NaN ())); -#if defined FLT_EXPBIT0_WORD && defined FLT_EXPBIT0_BIT - /* Signalling NaN. */ - { - #define NWORDS \ - ((sizeof (float) + sizeof (unsigned int) - 1) / sizeof (unsigned int)) - typedef union { float value; unsigned int word[NWORDS]; } memory_float; - memory_float m; - m.value = NaN (); -# if FLT_EXPBIT0_BIT > 0 - m.word[FLT_EXPBIT0_WORD] ^= (unsigned int) 1 << (FLT_EXPBIT0_BIT - 1); -# else - m.word[FLT_EXPBIT0_WORD + (FLT_EXPBIT0_WORD < NWORDS / 2 ? 1 : - 1)] - ^= (unsigned int) 1 << (sizeof (unsigned int) * CHAR_BIT - 1); -# endif - if (FLT_EXPBIT0_WORD < NWORDS / 2) - m.word[FLT_EXPBIT0_WORD + 1] |= (unsigned int) 1 << FLT_EXPBIT0_BIT; - else - m.word[0] |= (unsigned int) 1; - ASSERT (isnanf (m.value)); - } -#endif - return 0; -} +#include "test-isnanf.h"