53 lines
1.4 KiB
C
53 lines
1.4 KiB
C
/* mpz_mmod -- Mathematical MODulo, i.e. with the remainder
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non-negative.
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Copyright (C) 1991, 1992 Free Software Foundation, Inc.
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This file is part of the GNU MP Library.
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The GNU MP Library is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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The GNU MP Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with the GNU MP Library; see the file COPYING. If not, write to
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the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
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#include "gmp.h"
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#include "gmp-impl.h"
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unsigned long int
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#ifdef __STDC__
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mpz_mmod_ui (MP_INT *rem,
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const MP_INT *dividend, unsigned long int divisor)
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#else
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mpz_mmod_ui (rem, dividend, divisor)
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MP_INT *rem;
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const MP_INT *dividend;
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unsigned long int divisor;
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#endif
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{
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MP_INT temp_rem; /* N.B.: lives until function returns! */
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if (rem == NULL)
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{
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MPZ_TMP_INIT (&temp_rem, 1 + ABS (dividend->size));
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rem = &temp_rem;
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}
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mpz_mod_ui (rem, dividend, divisor);
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if (rem->size < 0)
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mpz_add_ui (rem, rem, divisor);
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if (rem->size == 0)
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return 0;
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return rem->d[0];
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}
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