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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/mpq_set_den.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/mpq_set_den.c')
-rw-r--r--gnu/lib/libgmp/mpq_set_den.c46
1 files changed, 46 insertions, 0 deletions
diff --git a/gnu/lib/libgmp/mpq_set_den.c b/gnu/lib/libgmp/mpq_set_den.c
new file mode 100644
index 0000000..d532f1a
--- /dev/null
+++ b/gnu/lib/libgmp/mpq_set_den.c
@@ -0,0 +1,46 @@
+/* mpq_set_den(dest,den) -- Set the denominator of DEST from DEN.
+ If DEN < 0 change the sign of the numerator of DEST.
+
+Copyright (C) 1991 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"
+
+void
+#ifdef __STDC__
+mpq_set_den (MP_RAT *dest, const MP_INT *den)
+#else
+mpq_set_den (dest, den)
+ MP_RAT *dest;
+ const MP_INT *den;
+#endif
+{
+ mp_size size = den->size;
+ mp_size abs_size = ABS (size);
+
+ if (dest->den.alloc < abs_size)
+ _mpz_realloc (&(dest->den), abs_size);
+
+ MPN_COPY (dest->den.d, den->d, abs_size);
+ dest->den.size = abs_size;
+
+ /* The denominator is always positive; move the sign to the numerator. */
+ if (size < 0)
+ dest->num.size = -dest->num.size;
+}
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