/* mpfr_set_flt -- convert a machine single precision float to mpfr_t Copyright 2009-2023 Free Software Foundation, Inc. Contributed by the AriC and Caramba projects, INRIA. This file is part of the GNU MPFR Library. The GNU MPFR 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 MPFR 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 MPFR Library; see the file COPYING.LESSER. If not, see https://www.gnu.org/licenses/ or write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. */ #include "mpfr-impl.h" int mpfr_set_flt (mpfr_ptr r, float f, mpfr_rnd_t rnd_mode) { /* we convert f to double precision and use mpfr_set_d; NaN and infinities should be preserved (except the sign bit for NaN), and all single precision numbers are exactly representable in the double format, thus the conversion is always exact */ return mpfr_set_d (r, (double) f, rnd_mode); } |