/* Test of rounding to nearest, breaking ties away from zero.
- 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
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. */
+ along with this program; if not, see <http://www.gnu.org/licenses/>. */
/* Written by Ben Pfaff <blp@gnu.org>, 2007.
Based heavily on Bruno Haible's test-truncl.c. */
#include <math.h>
+#include "signature.h"
+SIGNATURE_CHECK (roundl, long double, (long double));
+
#include <float.h>
-#include <stdio.h>
-#include <stdlib.h>
#include "fpucw.h"
#include "isnanl-nolibm.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)
-
-/* On HP-UX 10.20, negating 0.0L does not yield -0.0L.
- So we use minus_zero 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_zero (void)
-{
- return -LDBL_MIN * LDBL_MIN;
-}
-# define minus_zero compute_minus_zero ()
-#else
-long double minus_zero = -0.0L;
-#endif
+#include "macros.h"
int
main ()
/* Zero. */
ASSERT (roundl (0.0L) == 0.0L);
- ASSERT (roundl (minus_zero) == 0.0L);
+ ASSERT (roundl (minus_zerol) == 0.0L);
/* Positive numbers. */
ASSERT (roundl (0.3L) == 0.0L);
ASSERT (roundl (0.5L) == 1.0L);
ASSERT (roundl (-65536.001L) == -65536.0L);
ASSERT (roundl (-2.341e31L) == -2.341e31L);
/* Infinite numbers. */
- ASSERT (roundl (1.0 / 0.0L) == 1.0 / 0.0L);
- ASSERT (roundl (-1.0 / 0.0L) == -1.0 / 0.0L);
+ ASSERT (roundl (Infinityl ()) == Infinityl ());
+ ASSERT (roundl (- Infinityl ()) == - Infinityl ());
/* NaNs. */
ASSERT (isnanl (roundl (NaNl ())));