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/* Test of splitting a 'long double' into fraction and mantissa.
Copyright (C) 2007-2024 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
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
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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, see <https://www.gnu.org/licenses/>. */
/* Written by Bruno Haible <bruno@clisp.org>, 2007. */
#include <config.h>
#include <math.h>
#include "signature.h"
SIGNATURE_CHECK (frexpl, long double, (long double, int *));
#include <float.h>
#include "fpucw.h"
#include "isnanl-nolibm.h"
#include "minus-zero.h"
#include "infinity.h"
#include "nan.h"
#include "macros.h"
/* Avoid some warnings from "gcc -Wshadow".
This file doesn't use the exp() function. */
#undef exp
#define exp exponent
#undef INFINITY
#undef NAN
#define DOUBLE long double
#define VOLATILE
#define ISNAN isnanl
#define INFINITY Infinityl ()
#define NAN NaNl ()
#define L_(literal) literal##L
#define MINUS_ZERO minus_zerol
#define MAX_EXP LDBL_MAX_EXP
#define MIN_EXP LDBL_MIN_EXP
/* On MIPS IRIX machines, LDBL_MIN_EXP is -1021, but the smallest reliable
exponent for 'long double' is -964. Similarly, on PowerPC machines,
LDBL_MIN_EXP is -1021, but the smallest reliable exponent for 'long double'
is -968. For exponents below that, the precision may be truncated to the
precision used for 'double'. */
#ifdef __sgi
# define MIN_NORMAL_EXP (LDBL_MIN_EXP + 57)
#elif defined __ppc || defined __ppc__ || defined __powerpc || defined __powerpc__
# define MIN_NORMAL_EXP (LDBL_MIN_EXP + 53)
#else
# define MIN_NORMAL_EXP LDBL_MIN_EXP
#endif
#define FREXP frexpl
#define RANDOM randoml
#include "test-frexp.h"
int
main ()
{
DECL_LONG_DOUBLE_ROUNDING
BEGIN_LONG_DOUBLE_ROUNDING ();
test_function ();
return 0;
}
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