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

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

diff --git a/ghc/runtime/gmp/mpq_set_num.c b/ghc/runtime/gmp/mpq_set_num.c
new file mode 100644 (file)
index 0000000..609f16b
--- /dev/null
+++ b/ghc/runtime/gmp/mpq_set_num.c
@@ -0,0 +1,41 @@
+/* mpq_set_num(dest,num) -- Set the numerator of DEST from NUM.
+
+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_num (MP_RAT *dest, const MP_INT *num)
+#else
+mpq_set_num (dest, num)
+     MP_RAT *dest;
+     const MP_INT *num;
+#endif
+{
+  mp_size size = num->size;
+  mp_size abs_size = ABS (size);
+
+  if (dest->num.alloc < abs_size)
+    _mpz_realloc (&(dest->num), abs_size);
+
+  MPN_COPY (dest->num.d, num->d, abs_size);
+  dest->num.size = size;
+}