X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=tests%2Ftest-isnan.c;h=cfdff84a2cc82b734c0c9191e24fe9d18e17b5fb;hb=bb09133116a45861827711f5e8faf2c82b98c552;hp=bb925cb1469995fe990c55751c21b34f2e7b2f68;hpb=ea0f5bf6444c14f97c069b5da723781ecb8a84aa;p=gnulib.git diff --git a/tests/test-isnan.c b/tests/test-isnan.c index bb925cb14..cfdff84a2 100644 --- a/tests/test-isnan.c +++ b/tests/test-isnan.c @@ -1,5 +1,5 @@ /* Test of isnand() substitute. - Copyright (C) 2007-2008 Free Software Foundation, Inc. + Copyright (C) 2007-2011 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 @@ -21,36 +21,18 @@ #include +/* isnan must be a macro. */ +#ifndef isnan +# error missing declaration +#endif + #include #include -#include -#include +#include "minus-zero.h" +#include "infinity.h" #include "nan.h" - -#define ASSERT(expr) \ - do \ - { \ - if (!(expr)) \ - { \ - fprintf (stderr, "%s:%d: assertion failed\n", __FILE__, __LINE__); \ - fflush (stderr); \ - abort (); \ - } \ - } \ - while (0) - -/* HP cc on HP-UX 10.20 has a bug with the constant expression -0.0f. - So we use -zero instead. */ -float zerof = 0.0f; - -/* HP cc on HP-UX 10.20 has a bug with the constant expression -0.0. - So we use -zero instead. */ -double zerod = 0.0; - -/* On HP-UX 10.20, negating 0.0L does not yield -0.0L. - So we use minus_zerol instead. */ -long double minus_zerol = -LDBL_MIN * LDBL_MIN; +#include "macros.h" static void test_float (void) @@ -63,10 +45,10 @@ test_float (void) ASSERT (!isnan (-2.718e30f)); ASSERT (!isnan (-2.718e-30f)); ASSERT (!isnan (0.0f)); - ASSERT (!isnan (-zerof)); + ASSERT (!isnan (minus_zerof)); /* Infinite values. */ - ASSERT (!isnan (1.0f / 0.0f)); - ASSERT (!isnan (-1.0f / 0.0f)); + ASSERT (!isnan (Infinityf ())); + ASSERT (!isnan (- Infinityf ())); /* Quiet NaN. */ ASSERT (isnan (NaNf ())); #if defined FLT_EXPBIT0_WORD && defined FLT_EXPBIT0_BIT @@ -103,10 +85,10 @@ test_double (void) ASSERT (!isnan (-2.718e30)); ASSERT (!isnan (-2.718e-30)); ASSERT (!isnan (0.0)); - ASSERT (!isnan (-zerod)); + ASSERT (!isnan (minus_zerod)); /* Infinite values. */ - ASSERT (!isnan (1.0 / 0.0)); - ASSERT (!isnan (-1.0 / 0.0)); + ASSERT (!isnan (Infinityd ())); + ASSERT (!isnan (- Infinityd ())); /* Quiet NaN. */ ASSERT (isnan (NaNd ())); #if defined DBL_EXPBIT0_WORD && defined DBL_EXPBIT0_BIT @@ -148,17 +130,17 @@ test_long_double (void) ASSERT (!isnan (0.0L)); ASSERT (!isnan (minus_zerol)); /* Infinite values. */ - ASSERT (!isnan (1.0L / 0.0L)); - ASSERT (!isnan (-1.0L / 0.0L)); + ASSERT (!isnan (Infinityl ())); + ASSERT (!isnan (- Infinityl ())); /* Quiet NaN. */ - ASSERT (isnan (0.0L / 0.0L)); + ASSERT (isnan (NaNl ())); #if defined LDBL_EXPBIT0_WORD && defined LDBL_EXPBIT0_BIT /* A bit pattern that is different from a Quiet NaN. With a bit of luck, it's a Signalling NaN. */ { memory_long_double m; - m.value = 0.0L / 0.0L; + m.value = NaNl (); # if LDBL_EXPBIT0_BIT > 0 m.word[LDBL_EXPBIT0_WORD] ^= (unsigned int) 1 << (LDBL_EXPBIT0_BIT - 1); # else