Imported gcc-4.4.3

[msp430-gcc.git] / gmp / mpz / fdiv_q.c

diff --git a/gmp/mpz/fdiv_q.c b/gmp/mpz/fdiv_q.c
new file mode 100644 (file)
index 0000000..6b4c2c4
--- /dev/null
+++ b/gmp/mpz/fdiv_q.c
@@ -0,0 +1,42 @@
+/* mpz_fdiv_q -- Division rounding the quotient towards -infinity.
+   The remainder gets the same sign as the denominator.
+
+Copyright 1994, 1995, 1996, 2000, 2001, 2005 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 Lesser General Public License as published by
+the Free Software Foundation; either version 3 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 Lesser General Public
+License for more details.
+
+You should have received a copy of the GNU Lesser General Public License
+along with the GNU MP Library.  If not, see http://www.gnu.org/licenses/.  */
+
+#include "gmp.h"
+#include "gmp-impl.h"
+
+void
+mpz_fdiv_q (mpz_ptr quot, mpz_srcptr dividend, mpz_srcptr divisor)
+{
+  mp_size_t dividend_size = dividend->_mp_size;
+  mp_size_t divisor_size = divisor->_mp_size;
+  mpz_t rem;
+  TMP_DECL;
+
+  TMP_MARK;
+
+  MPZ_TMP_INIT (rem, ABS (divisor_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;
+}