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- /* mpz_mmod -- Mathematical MODulo, i.e. 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_mmod_ui (MP_INT *rem,
- const MP_INT *dividend, unsigned long int divisor)
- #else
- mpz_mmod_ui (rem, dividend, divisor)
- MP_INT *rem;
- const MP_INT *dividend;
- unsigned long int divisor;
- #endif
- {
- MP_INT temp_rem; /* N.B.: lives until function returns! */
-
- if (rem == NULL)
- {
- MPZ_TMP_INIT (&temp_rem, 1 + ABS (dividend->size));
- rem = &temp_rem;
- }
-
- mpz_mod_ui (rem, dividend, divisor);
-
- if (rem->size < 0)
- mpz_add_ui (rem, rem, divisor);
-
- if (rem->size == 0)
- return 0;
- return rem->d[0];
- }
-