52 lines
1.5 KiB
C
52 lines
1.5 KiB
C
/* mpz_cmp(u,v) -- Compare U, V. Return positive, zero, or negative
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based on if U > V, U == V, or U < V.
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Copyright 1991, 1993, 1994, 1996, 2001, 2002 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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#ifdef BERKELEY_MP
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#include "mp.h"
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#endif
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#include "gmp.h"
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#include "gmp-impl.h"
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int
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#ifdef BERKELEY_MP
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mcmp (mpz_srcptr u, mpz_srcptr v)
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#else
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mpz_cmp (mpz_srcptr u, mpz_srcptr v)
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#endif
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{
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mp_size_t usize, vsize, dsize, asize;
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mp_srcptr up, vp;
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int cmp;
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usize = SIZ(u);
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vsize = SIZ(v);
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dsize = usize - vsize;
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if (dsize != 0)
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return dsize;
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asize = ABS (usize);
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up = PTR(u);
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vp = PTR(v);
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MPN_CMP (cmp, up, vp, asize);
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return (usize >= 0 ? cmp : -cmp);
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}
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