divis.c
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上传日期:2022-08-06
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- /* mpz_divisible_p -- mpz by mpz divisibility test
- Copyright 2001, 2002 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"
- int
- mpz_divisible_p (mpz_srcptr a, mpz_srcptr d)
- {
- mp_size_t dsize = SIZ(d);
- mp_size_t asize = SIZ(a);
- if (UNLIKELY (dsize == 0))
- return (asize == 0);
- return mpn_divisible_p (PTR(a), ABS(asize), PTR(d), ABS(dsize));
- }