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_si.c | 52 ++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 52 insertions(+) create mode 100644 gmp-6.3.0/mpf/set_si.c (limited to 'gmp-6.3.0/mpf/set_si.c') diff --git a/gmp-6.3.0/mpf/set_si.c b/gmp-6.3.0/mpf/set_si.c new file mode 100644 index 0000000..23f713d --- /dev/null +++ b/gmp-6.3.0/mpf/set_si.c @@ -0,0 +1,52 @@ +/* mpf_set_si() -- Assign a float from a signed int. + +Copyright 1993-1995, 2000-2002, 2004, 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/. */ + +#include "gmp-impl.h" + +void +mpf_set_si (mpf_ptr dest, long val) +{ + mp_size_t size; + mp_limb_t vl; + + vl = (mp_limb_t) ABS_CAST (unsigned long int, val); + + dest->_mp_d[0] = vl & GMP_NUMB_MASK; + size = vl != 0; + +#if BITS_PER_ULONG > GMP_NUMB_BITS + vl >>= GMP_NUMB_BITS; + dest->_mp_d[1] = vl; + size += (vl != 0); +#endif + + dest->_mp_exp = size; + dest->_mp_size = val >= 0 ? size : -size; +} -- cgit v1.2.3