freebsd-dev/contrib/libgmp/mpf/set_si.c

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/* mpf_set_si() -- Assign a float from a signed int.
Copyright (C) 1993, 1994, 1995 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 Library General Public License as published by
the Free Software Foundation; either version 2 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 Library General Public
License for more details.
You should have received a copy of the GNU Library General Public License
along with the GNU MP Library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
MA 02111-1307, USA. */
#include "gmp.h"
#include "gmp-impl.h"
void
#if __STDC__
mpf_set_si (mpf_ptr x, long int val)
#else
mpf_set_si (x, val)
mpf_ptr x;
long int val;
#endif
{
if (val > 0)
{
x->_mp_d[0] = val;
x->_mp_size = 1;
x->_mp_exp = 1;
}
else if (val < 0)
{
x->_mp_d[0] = -val;
x->_mp_size = -1;
x->_mp_exp = 1;
}
else
{
x->_mp_size = 0;
x->_mp_exp = 0;
}
}