X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=ghc%2Frts%2Fgmp%2Fmpz%2Ffdiv_q.c;fp=ghc%2Frts%2Fgmp%2Fmpz%2Ffdiv_q.c;h=3da943af9164ff174f51db756fe078f1d4a34877;hb=47adae51c9f4e0a34b760a9d15a8d6b567acd175;hp=0000000000000000000000000000000000000000;hpb=739d408b7f5b024bda531397d48315782c9f51d2;p=ghc-hetmet.git

diff --git a/ghc/rts/gmp/mpz/fdiv_q.c b/ghc/rts/gmp/mpz/fdiv_q.c
new file mode 100644
index 0000000..3da943a
--- /dev/null
+++ b/ghc/rts/gmp/mpz/fdiv_q.c
@@ -0,0 +1,51 @@
+/* mpz_fdiv_q -- Division rounding the quotient towards -infinity.
+   The remainder gets the same sign as the denominator.
+
+Copyright (C) 1994, 1995, 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. */
+
+#include "gmp.h"
+#include "gmp-impl.h"
+
+void
+#if __STDC__
+mpz_fdiv_q (mpz_ptr quot, mpz_srcptr dividend, mpz_srcptr divisor)
+#else
+mpz_fdiv_q (quot, dividend, divisor)
+     mpz_ptr quot;
+     mpz_srcptr dividend;
+     mpz_srcptr divisor;
+#endif
+{
+  mp_size_t dividend_size = dividend->_mp_size;
+  mp_size_t divisor_size = divisor->_mp_size;
+  mpz_t rem;
+  TMP_DECL (marker);
+
+  TMP_MARK (marker);
+
+  MPZ_TMP_INIT (rem, 1 + ABS (dividend_size));
+
+  mpz_tdiv_qr (quot, rem, dividend, divisor);
+
+  if ((divisor_size ^ dividend_size) < 0 && rem->_mp_size != 0)
+    mpz_sub_ui (quot, quot, 1L);
+
+  TMP_FREE (marker);
+}