stk/Mp/gmp-1.3.2/mpz_iset_si.c

49 lines
1.3 KiB
C

/* mpz_init_set_si(val) -- Make a new multiple precision number with
value val.
Copyright (C) 1991 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 General Public License as published by
the Free Software Foundation; either version 2, 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with the GNU MP Library; see the file COPYING. If not, write to
the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
#include "gmp.h"
#include "gmp-impl.h"
void
#ifdef __STDC__
mpz_init_set_si (MP_INT *x, signed long int val)
#else
mpz_init_set_si (x, val)
MP_INT *x;
signed long int val;
#endif
{
x->alloc = 1;
x->d = (mp_ptr) (*_mp_allocate_func) (BYTES_PER_MP_LIMB * x->alloc);
if (val > 0)
{
x->d[0] = val;
x->size = 1;
}
else if (val < 0)
{
x->d[0] = -val;
x->size = -1;
}
else
x->size = 0;
}