X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=tests%2Ftest-isnanf.c;h=a6065202388e47a2b8a95a83b073f5afb1854fff;hb=80b8978ab152f43a94ac95c89c15b847a3ad2850;hp=c433089900ca1ca5af60470442f86ad5786a8c62;hpb=6e2c5ce9d2220c2be7d35a0be15e9e6827305476;p=gnulib.git diff --git a/tests/test-isnanf.c b/tests/test-isnanf.c index c43308990..a60652023 100644 --- a/tests/test-isnanf.c +++ b/tests/test-isnanf.c @@ -1,5 +1,5 @@ /* Test of isnanf() substitute. - Copyright (C) 2007 Free Software Foundation, Inc. + Copyright (C) 2007-2008 Free Software Foundation, Inc. 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 @@ -14,76 +14,8 @@ You should have received a copy of the GNU General Public License along with this program. If not, see . */ -/* Written by Bruno Haible , 2007. */ - #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 - -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)); - ASSERT (!isnanf (0.0f)); - ASSERT (!isnanf (-0.0f)); - /* 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"