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-rw-r--r--contrib/libgmp/mpz/cmp.c75
1 files changed, 75 insertions, 0 deletions
diff --git a/contrib/libgmp/mpz/cmp.c b/contrib/libgmp/mpz/cmp.c
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+++ b/contrib/libgmp/mpz/cmp.c
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+/* mpz_cmp(u,v) -- Compare U, V. Return postive, zero, or negative
+ based on if U > V, U == V, or U < V.
+
+Copyright (C) 1991, 1993, 1994, 1996 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 Library General Public License as published by
+the Free Software Foundation; either version 2 of the License, 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 Library General Public
+License for more details.
+
+You should have received a copy of the GNU Library General Public License
+along with the GNU MP Library; see the file COPYING.LIB. If not, write to
+the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+MA 02111-1307, USA. */
+
+#ifdef BERKELEY_MP
+#include "mp.h"
+#endif
+#include "gmp.h"
+#include "gmp-impl.h"
+
+#ifndef BERKELEY_MP
+int
+#if __STDC__
+mpz_cmp (mpz_srcptr u, mpz_srcptr v)
+#else
+mpz_cmp (u, v)
+ mpz_srcptr u;
+ mpz_srcptr v;
+#endif
+#else /* BERKELEY_MP */
+int
+#if __STDC__
+mcmp (mpz_srcptr u, mpz_srcptr v)
+#else
+mcmp (u, v)
+ mpz_srcptr u;
+ mpz_srcptr v;
+#endif
+#endif /* BERKELEY_MP */
+{
+ mp_size_t usize = u->_mp_size;
+ mp_size_t vsize = v->_mp_size;
+ mp_size_t size;
+ mp_srcptr up, vp;
+ int cmp;
+
+ if (usize != vsize)
+ return usize - vsize;
+
+ if (usize == 0)
+ return 0;
+
+ size = ABS (usize);
+
+ up = u->_mp_d;
+ vp = v->_mp_d;
+
+ cmp = mpn_cmp (up, vp, size);
+
+ if (cmp == 0)
+ return 0;
+
+ if ((cmp < 0) == (usize < 0))
+ return 1;
+ else
+ return -1;
+}
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