From 11da511c784eca003deb90c23570f0873954e0de Mon Sep 17 00:00:00 2001 From: Duncan Wilkie Date: Sat, 18 Nov 2023 06:11:09 -0600 Subject: Initial commit. --- gmp-6.3.0/mpq/neg.c | 57 +++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 57 insertions(+) create mode 100644 gmp-6.3.0/mpq/neg.c (limited to 'gmp-6.3.0/mpq/neg.c') diff --git a/gmp-6.3.0/mpq/neg.c b/gmp-6.3.0/mpq/neg.c new file mode 100644 index 0000000..8fda41c --- /dev/null +++ b/gmp-6.3.0/mpq/neg.c @@ -0,0 +1,57 @@ +/* mpq_neg -- negate a rational. + +Copyright 2000, 2001, 2012 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 either: + + * 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. + +or + + * the GNU General Public License as published by the Free Software + Foundation; either version 2 of the License, or (at your option) any + later version. + +or both in parallel, as here. + +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 General Public License +for more details. + +You should have received copies of the GNU General Public License and the +GNU Lesser General Public License along with the GNU MP Library. If not, +see https://www.gnu.org/licenses/. */ + +#define __GMP_FORCE_mpq_neg 1 + +#include "gmp-impl.h" + + +void +mpq_neg (mpq_ptr dst, mpq_srcptr src) +{ + mp_size_t num_size = SIZ(NUM(src)); + + if (src != dst) + { + mp_size_t size; + mp_ptr dp; + + size = ABS(num_size); + dp = MPZ_NEWALLOC (NUM(dst), size); + MPN_COPY (dp, PTR(NUM(src)), size); + + size = SIZ(DEN(src)); + dp = MPZ_NEWALLOC (DEN(dst), size); + SIZ(DEN(dst)) = size; + MPN_COPY (dp, PTR(DEN(src)), size); + } + + SIZ(NUM(dst)) = -num_size; +} -- cgit v1.2.3