2008-06-25 03:33:36 -04:00
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/* itom -- BSD compatible allocate and initiate a MINT.
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Copyright 1991, 1994, 1995, 2000, 2001 Free Software Foundation, Inc.
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This file is part of the GNU MP Library.
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The GNU MP Library is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or (at your
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option) any later version.
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The GNU MP Library is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with the GNU MP Library; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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MA 02110-1301, USA. */
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#include "mp.h"
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#include "gmp.h"
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#include "gmp-impl.h"
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MINT *
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itom (signed short int n)
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{
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MINT *x;
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mp_ptr xp;
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x = (MINT *) (*__gmp_allocate_func) (sizeof (MINT));
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x->_mp_alloc = 1;
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x->_mp_d = xp = (mp_ptr) (*__gmp_allocate_func) (BYTES_PER_MP_LIMB);
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if (n > 0)
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{
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x->_mp_size = 1;
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xp[0] = n;
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}
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else if (n < 0)
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{
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x->_mp_size = -1;
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xp[0] = (unsigned short) -n;
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}
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else
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x->_mp_size = 0;
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return x;
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}
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