76 lines
1.7 KiB
C
76 lines
1.7 KiB
C
/* mpz_cmp(u,v) -- Compare U, V. Return postive, zero, or negative
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based on if U > V, U == V, or U < V.
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Copyright (C) 1991, 1993, 1994, 1996 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 Library General Public License as published by
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the Free Software Foundation; either version 2 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 Library General Public
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License for more details.
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You should have received a copy of the GNU Library 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., 59 Temple Place - Suite 330, Boston,
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MA 02111-1307, 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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#ifndef BERKELEY_MP
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int
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#if __STDC__
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mpz_cmp (mpz_srcptr u, mpz_srcptr v)
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#else
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mpz_cmp (u, v)
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mpz_srcptr u;
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mpz_srcptr v;
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#endif
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#else /* BERKELEY_MP */
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int
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#if __STDC__
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mcmp (mpz_srcptr u, mpz_srcptr v)
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#else
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mcmp (u, v)
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mpz_srcptr u;
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mpz_srcptr v;
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#endif
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#endif /* BERKELEY_MP */
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{
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mp_size_t usize = u->_mp_size;
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mp_size_t vsize = v->_mp_size;
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mp_size_t size;
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mp_srcptr up, vp;
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int cmp;
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if (usize != vsize)
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return usize - vsize;
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if (usize == 0)
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return 0;
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size = ABS (usize);
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up = u->_mp_d;
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vp = v->_mp_d;
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cmp = mpn_cmp (up, vp, size);
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if (cmp == 0)
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return 0;
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if ((cmp < 0) == (usize < 0))
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return 1;
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else
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return -1;
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}
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