/* Test of isnand() substitute.
- Copyright (C) 2007-2009 Free Software Foundation, Inc.
+ Copyright (C) 2007-2013 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
#include <math.h>
+/* isnan must be a macro. */
+#ifndef isnan
+# error missing declaration
+#endif
+
#include <float.h>
#include <limits.h>
-#include <stdio.h>
-#include <stdlib.h>
+#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.
- IRIX cc can't put -0.0L into .data, but can compute at runtime.
- Note that the expression -LDBL_MIN * LDBL_MIN does not work on other
- platforms, such as when cross-compiling to PowerPC on MacOS X 10.5. */
-#if defined __hpux || defined __sgi
-static long double
-compute_minus_zerol (void)
-{
- return -LDBL_MIN * LDBL_MIN;
-}
-# define minus_zerol compute_minus_zerol ()
-#else
-long double minus_zerol = -0.0L;
-#endif
+#include "macros.h"
static void
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
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
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
}
#endif
-#if ((defined __ia64 && LDBL_MANT_DIG == 64) || (defined __x86_64__ || defined __amd64__) || (defined __i386 || defined __i386__ || defined _I386 || defined _M_IX86 || defined _X86_))
+#if ((defined __ia64 && LDBL_MANT_DIG == 64) || (defined __x86_64__ || defined __amd64__) || (defined __i386 || defined __i386__ || defined _I386 || defined _M_IX86 || defined _X86_)) && !HAVE_SAME_LONG_DOUBLE_AS_DOUBLE
/* Representation of an 80-bit 'long double' as an initializer for a sequence
of 'unsigned int' words. */
# ifdef WORDS_BIGENDIAN