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/mpf/abs.c | 58 +++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 58 insertions(+) create mode 100644 gmp-6.3.0/mpf/abs.c (limited to 'gmp-6.3.0/mpf/abs.c') diff --git a/gmp-6.3.0/mpf/abs.c b/gmp-6.3.0/mpf/abs.c new file mode 100644 index 0000000..1642a46 --- /dev/null +++ b/gmp-6.3.0/mpf/abs.c @@ -0,0 +1,58 @@ +/* mpf_abs -- Compute the absolute value of a float. + +Copyright 1993-1995, 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 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/. */ + +#include "gmp-impl.h" + +void +mpf_abs (mpf_ptr r, mpf_srcptr u) +{ + mp_size_t size; + + size = ABS (u->_mp_size); + if (r != u) + { + mp_size_t prec; + mp_ptr rp, up; + + prec = r->_mp_prec + 1; /* lie not to lose precision in assignment */ + rp = r->_mp_d; + up = u->_mp_d; + + if (size > prec) + { + up += size - prec; + size = prec; + } + + MPN_COPY (rp, up, size); + r->_mp_exp = u->_mp_exp; + } + r->_mp_size = size; +} -- cgit v1.2.3