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/* mpf_set_d -- Assign a float from a double.
Copyright 1993-1996, 2001, 2003, 2004 Free Software Foundation, Inc.
This file is part of the GNU MP Library.
The GNU MP Library is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published
by the Free Software Foundation; either version 3 of the License, or (at
your option) any later version.
The GNU MP Library 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 Lesser General Public
License for more details.
You should have received a copy of the GNU Lesser General Public License
along with the GNU MP Library. If not, see https://www.gnu.org/licenses/. */
#include "config.h"
#if HAVE_FLOAT_H
#include <float.h> /* for DBL_MAX */
#endif
#include "gmp.h"
#include "gmp-impl.h"
void
mpf_set_d (mpf_ptr r, double d)
{
int negative;
DOUBLE_NAN_INF_ACTION (d,
__gmp_invalid_operation (),
__gmp_invalid_operation ());
if (UNLIKELY (d == 0))
{
SIZ(r) = 0;
EXP(r) = 0;
return;
}
negative = d < 0;
d = ABS (d);
SIZ(r) = negative ? -LIMBS_PER_DOUBLE : LIMBS_PER_DOUBLE;
EXP(r) = __gmp_extract_double (PTR(r), d);
}
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