/* Test of splitting a 'long double' into fraction and mantissa.
- Copyright (C) 2007 Free Software Foundation, Inc.
+ Copyright (C) 2007-2011 Free Software Foundation, Inc.
- This program is free software; you can redistribute it and/or modify
+ 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
- the Free Software Foundation; either version 2, or (at your option)
- any later version.
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
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 Bruno Haible <bruno@clisp.org>, 2007. */
#include <math.h>
+#include "signature.h"
+SIGNATURE_CHECK (frexpl, long double, (long double, int *));
+
#include <float.h>
-#include <stdio.h>
-#include <stdlib.h>
#include "fpucw.h"
#include "isnanl-nolibm.h"
+#include "minus-zero.h"
+#include "nan.h"
+#include "macros.h"
-#define ASSERT(expr) \
- do \
- { \
- if (!(expr)) \
- { \
- fprintf (stderr, "%s:%d: assertion failed\n", __FILE__, __LINE__); \
- abort (); \
- } \
- } \
- while (0)
+/* Avoid some warnings from "gcc -Wshadow".
+ This file doesn't use the exp() function. */
+#undef exp
+#define exp exponent
/* On MIPS IRIX machines, LDBL_MIN_EXP is -1021, but the smallest reliable
exponent for 'long double' is -964. Similarly, on PowerPC machines,
{ /* NaN. */
int exp = -9999;
long double mantissa;
- x = 0.0L / 0.0L;
+ x = NaNl ();
mantissa = frexpl (x, &exp);
ASSERT (isnanl (mantissa));
}
{ /* Negative zero. */
int exp = -9999;
long double mantissa;
- x = -0.0L;
+ x = minus_zerol;
mantissa = frexpl (x, &exp);
ASSERT (exp == 0);
ASSERT (mantissa == x);