| /* mpz_neg(mpz_ptr dst, mpz_ptr src) -- Assign the negated value of SRC to DST. |
| |
| Copyright 1991, 1993, 1994, 1995, 2001 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/. */ |
| |
| #define __GMP_FORCE_mpz_neg 1 |
| |
| #include "gmp.h" |
| #include "gmp-impl.h" |
| |
| void |
| mpz_neg (mpz_ptr w, mpz_srcptr u) |
| { |
| mp_ptr wp, up; |
| mp_size_t usize, size; |
| |
| usize = u->_mp_size; |
| |
| if (u != w) |
| { |
| size = ABS (usize); |
| |
| if (w->_mp_alloc < size) |
| _mpz_realloc (w, size); |
| |
| wp = w->_mp_d; |
| up = u->_mp_d; |
| |
| MPN_COPY (wp, up, size); |
| } |
| |
| w->_mp_size = -usize; |
| } |