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/set.c | 55 +++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 55 insertions(+) create mode 100644 gmp-6.3.0/mpf/set.c (limited to 'gmp-6.3.0/mpf/set.c') diff --git a/gmp-6.3.0/mpf/set.c b/gmp-6.3.0/mpf/set.c new file mode 100644 index 0000000..382fe86 --- /dev/null +++ b/gmp-6.3.0/mpf/set.c @@ -0,0 +1,55 @@ +/* mpf_set -- Assign a float from another float. + +Copyright 1993-1995, 2001, 2004 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_set (mpf_ptr r, mpf_srcptr u) +{ + mp_ptr rp, up; + mp_size_t size, asize; + mp_size_t prec; + + prec = r->_mp_prec + 1; /* lie not to lose precision in assignment */ + size = u->_mp_size; + asize = ABS (size); + rp = r->_mp_d; + up = u->_mp_d; + + if (asize > prec) + { + up += asize - prec; + asize = prec; + } + + r->_mp_exp = u->_mp_exp; + r->_mp_size = size >= 0 ? asize : -asize; + MPN_COPY_INCR (rp, up, asize); +} -- cgit v1.2.3