1/* mpz_abs(dst, src) -- Assign the absolute value of SRC to DST. 2 3Copyright 1991, 1993, 1994, 1995, 2001 Free Software Foundation, Inc. 4 5This file is part of the GNU MP Library. 6 7The GNU MP Library is free software; you can redistribute it and/or modify 8it under the terms of the GNU Lesser General Public License as published by 9the Free Software Foundation; either version 3 of the License, or (at your 10option) any later version. 11 12The GNU MP Library is distributed in the hope that it will be useful, but 13WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 14or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public 15License for more details. 16 17You should have received a copy of the GNU Lesser General Public License 18along with the GNU MP Library. If not, see http://www.gnu.org/licenses/. */ 19 20#define __GMP_FORCE_mpz_abs 1 21 22#include "gmp.h" 23#include "gmp-impl.h" 24 25void 26mpz_abs (mpz_ptr w, mpz_srcptr u) 27{ 28 mp_ptr wp, up; 29 mp_size_t size; 30 31 size = ABS (u->_mp_size); 32 33 if (u != w) 34 { 35 if (w->_mp_alloc < size) 36 _mpz_realloc (w, size); 37 38 wp = w->_mp_d; 39 up = u->_mp_d; 40 41 MPN_COPY (wp, up, size); 42 } 43 44 w->_mp_size = size; 45} 46