cmpabs.c
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上传日期:2022-08-06
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- /* mpz_cmpabs(u,v) -- Compare U, V. Return positive, zero, or negative
- based on if U > V, U == V, or U < V.
- Copyright 1991, 1993, 1994, 1996, 1997, 2000, 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_cmpabs (mpz_srcptr u, mpz_srcptr v)
- {
- mp_size_t usize, vsize, dsize;
- mp_srcptr up, vp;
- int cmp;
- usize = ABSIZ (u);
- vsize = ABSIZ (v);
- dsize = usize - vsize;
- if (dsize != 0)
- return dsize;
- up = PTR(u);
- vp = PTR(v);
- MPN_CMP (cmp, up, vp, usize);
- return cmp;
- }