freebsd-dev/contrib/libgmp/mpz/set_si.c
markm 6ec01646dc Clean import of libgmp 2.0.2, with only the non-x86 bits removed.
BMakefiles and other bits will follow.

Requested by:	Andrey Chernov
Made world by:	Chuck Robey
1996-10-20 08:49:26 +00:00

49 lines
1.4 KiB
C

/* mpz_set_si(integer, val) -- Assign INTEGER with a small value VAL.
Copyright (C) 1991, 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__
mpz_set_si (mpz_ptr dest, signed long int val)
#else
mpz_set_si (dest, val)
mpz_ptr dest;
signed long int val;
#endif
{
/* We don't check if the allocation is enough, since the rest of the
package ensures it's at least 1, which is what we need here. */
if (val > 0)
{
dest->_mp_d[0] = val;
dest->_mp_size = 1;
}
else if (val < 0)
{
dest->_mp_d[0] = -val;
dest->_mp_size = -1;
}
else
dest->_mp_size = 0;
}