/* Test of rounding towards zero.
- 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
#include <stdio.h>
#include <stdlib.h>
+#include "isnanf-nolibm.h"
+#include "nan.h"
+
#define ASSERT(expr) \
do \
{ \
if (!(expr)) \
{ \
fprintf (stderr, "%s:%d: assertion failed\n", __FILE__, __LINE__); \
+ fflush (stderr); \
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
+/* HP cc on HP-UX 10.20 has a bug with the constant expression -0.0f.
+ So we use -zero instead. */
+float zero = 0.0f;
int
main ()
{
/* Zero. */
ASSERT (truncf (0.0f) == 0.0f);
- ASSERT (truncf (-0.0f) == 0.0f);
+ ASSERT (truncf (-zero) == 0.0f);
/* Positive numbers. */
ASSERT (truncf (0.3f) == 0.0f);
ASSERT (truncf (0.7f) == 0.0f);
ASSERT (truncf (1.0f / 0.0f) == 1.0f / 0.0f);
ASSERT (truncf (-1.0f / 0.0f) == -1.0f / 0.0f);
/* NaNs. */
- ASSERT (isnan (truncf (NaN ())));
+ ASSERT (isnanf (truncf (NaNf ())));
return 0;
}