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diff --git a/gnu/lib/libgmp/mpz_mdm_ui.c b/gnu/lib/libgmp/mpz_mdm_ui.c
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+/* mpz_mdivmod -- Mathematical DIVision and MODulo, i.e. division that rounds
+ the quotient towards -infinity, and with the remainder non-negative.
+
+Copyright (C) 1991, 1992 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"
+
+unsigned long int
+#ifdef __STDC__
+mpz_mdivmod_ui (MP_INT *quot, MP_INT *rem,
+ const MP_INT *dividend, unsigned long int divisor)
+#else
+mpz_mdivmod_ui (quot, rem, dividend, divisor)
+ MP_INT *quot;
+ MP_INT *rem;
+ const MP_INT *dividend;
+ unsigned long int divisor;
+#endif
+{
+ MP_INT temp_rem; /* N.B.: lives until function returns! */
+
+ /* If the user doesn't want the remainder to be stored in an integer
+ object, allocate a scratch variable for it. */
+ if (rem == NULL)
+ {
+ MPZ_TMP_INIT (&temp_rem, 1 + ABS (dividend->size));
+ rem = &temp_rem;
+ }
+
+ mpz_divmod_ui (quot, rem, dividend, divisor);
+
+ if (rem->size < 0)
+ {
+ mpz_sub_ui (quot, quot, 1);
+ mpz_add_ui (rem, rem, divisor);
+ }
+
+ if (rem->size == 0)
+ return 0;
+ return rem->d[0];
+}
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