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authormarkm <markm@FreeBSD.org>1995-11-12 14:40:41 +0000
committermarkm <markm@FreeBSD.org>1995-11-12 14:40:41 +0000
commitd938bb78837327b46dc34873a6eb60c002605808 (patch)
treed720c213b0c2f268c17d14276e809e876bd37dc8 /gnu/lib/libgmp/mpn_cmp.c
parent7e662b2efdf7b11bed05bdd944746d7b7d0e56af (diff)
downloadFreeBSD-src-d938bb78837327b46dc34873a6eb60c002605808.zip
FreeBSD-src-d938bb78837327b46dc34873a6eb60c002605808.tar.gz
GNU MP (Multiprecision) library. This is needed by secure RPC (being
done by Bill Paul) and various other BSD programs. Obtained from:FSF
Diffstat (limited to 'gnu/lib/libgmp/mpn_cmp.c')
-rw-r--r--gnu/lib/libgmp/mpn_cmp.c52
1 files changed, 52 insertions, 0 deletions
diff --git a/gnu/lib/libgmp/mpn_cmp.c b/gnu/lib/libgmp/mpn_cmp.c
new file mode 100644
index 0000000..11f39ca
--- /dev/null
+++ b/gnu/lib/libgmp/mpn_cmp.c
@@ -0,0 +1,52 @@
+/* mpn_cmp -- Compare two low-level natural-number integers.
+
+Copyright (C) 1991, 1992 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 "gmp.h"
+#include "gmp-impl.h"
+
+/* Compare OP1_PTR/OP1_SIZE with OP2_PTR/OP2_SIZE.
+ There are no restrictions on the relative sizes of
+ the two arguments.
+ Return 1 if OP1 > OP2, 0 if they are equal, and -1 if OP1 < OP2. */
+
+int
+#ifdef __STDC__
+mpn_cmp (mp_srcptr op1_ptr, mp_srcptr op2_ptr, mp_size size)
+#else
+mpn_cmp (op1_ptr, op2_ptr, size)
+ mp_srcptr op1_ptr;
+ mp_srcptr op2_ptr;
+ mp_size size;
+#endif
+{
+ mp_size i;
+ mp_limb op1_word, op2_word;
+
+ for (i = size - 1; i >= 0; i--)
+ {
+ op1_word = op1_ptr[i];
+ op2_word = op2_ptr[i];
+ if (op1_word != op2_word)
+ goto diff;
+ }
+ return 0;
+ diff:
+ return (op1_word > op2_word) ? 1 : -1;
+}
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