[project @ 1996-01-08 20:28:12 by partain]

[ghc-hetmet.git] / ghc / runtime / gmp / mpq_set.c

diff --git a/ghc/runtime/gmp/mpq_set.c b/ghc/runtime/gmp/mpq_set.c
new file mode 100644 (file)
index 0000000..1d0cf3e
--- /dev/null
+++ b/ghc/runtime/gmp/mpq_set.c
@@ -0,0 +1,48 @@
+/* mpq_set(dest,src) -- Set DEST to SRC.
+
+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 (MP_RAT *dest, const MP_RAT *src)
+#else
+mpq_set (dest, src)
+     MP_RAT *dest;
+     const MP_RAT *src;
+#endif
+{
+  mp_size num_size, den_size;
+  mp_size abs_num_size;
+
+  num_size = src->num.size;
+  abs_num_size = ABS (num_size);
+  if (dest->num.alloc < abs_num_size)
+    _mpz_realloc (&(dest->num), abs_num_size);
+  MPN_COPY (dest->num.d, src->num.d, abs_num_size);
+  dest->num.size = num_size;
+
+  den_size = src->den.size;
+  if (dest->den.alloc < den_size)
+    _mpz_realloc (&(dest->den), den_size);
+  MPN_COPY (dest->den.d, src->den.d, den_size);
+  dest->den.size = den_size;
+}