1 files changed, 63 insertions, 0 deletions
diff --git a/rts/gmp/mpz/tdiv_r_ui.c b/rts/gmp/mpz/tdiv_r_ui.c
new file mode 100644
index 0000000000..2ea411fda1
--- /dev/null
+++ b/rts/gmp/mpz/tdiv_r_ui.c
@@ -0,0 +1,63 @@
+/* mpz_tdiv_r_ui(rem, dividend, divisor_limb)
+   -- Set REM to DIVDEND mod DIVISOR_LIMB.
+
+Copyright (C) 1991, 1993, 1994, 1996, 1998 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 2.1 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; 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"
+
+unsigned long int
+#if __STDC__
+mpz_tdiv_r_ui (mpz_ptr rem, mpz_srcptr dividend, unsigned long int divisor)
+#else
+mpz_tdiv_r_ui (rem, dividend, divisor)
+     mpz_ptr rem;
+     mpz_srcptr dividend;
+     unsigned long int divisor;
+#endif
+{
+  mp_size_t dividend_size;
+  mp_size_t size;
+  mp_limb_t remainder_limb;
+
+  if (divisor == 0)
+    DIVIDE_BY_ZERO;
+
+  dividend_size = dividend->_mp_size;
+  size = ABS (dividend_size);
+
+  /* No need for temporary allocation and copying if QUOT == DIVIDEND as
+     the divisor is just one limb, and thus no intermediate remainders
+     need to be stored.  */
+
+  remainder_limb = mpn_mod_1 (dividend->_mp_d, size, (mp_limb_t) divisor);
+
+  if (remainder_limb == 0)
+    rem->_mp_size = 0;
+  else
+    {
+      /* Store the single-limb remainder.  We don't check if there's space
+	 for just one limb, since no function ever makes zero space.  */
+      rem->_mp_size = dividend_size >= 0 ? 1 : -1;
+      rem->_mp_d[0] = remainder_limb;
+    }
+
+  return remainder_limb;
+}