stk/Mp/gmp-1.3.2/itom.c

54 lines
1.3 KiB
C

/* itom -- BSD compatible allocate and initiate a MINT.
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 "mp.h"
#include "gmp.h"
#include "gmp-impl.h"
MINT *
#ifdef __STDC__
itom (signed short int n)
#else
itom (n)
short int n;
#endif
{
MINT *x;
mp_ptr xp;
x = (MINT *) (*_mp_allocate_func) (sizeof (MINT));
x->alloc = 1;
x->d = xp = (mp_ptr) (*_mp_allocate_func) (x->alloc * BYTES_PER_MP_LIMB);
if (n > 0)
{
x->size = 1;
xp[0] = n;
}
else if (n < 0)
{
x->size = -1;
xp[0] = -n;
}
else
x->size = 0;
return x;
}