1 /* mpfr_set_flt -- convert a machine single precision float to mpfr_t 2 3 Copyright 2009-2023 Free Software Foundation, Inc. 4 Contributed by the AriC and Caramba projects, INRIA. 5 6 This file is part of the GNU MPFR Library. 7 8 The GNU MPFR Library is free software; you can redistribute it and/or modify 9 it under the terms of the GNU Lesser General Public License as published by 10 the Free Software Foundation; either version 3 of the License, or (at your 11 option) any later version. 12 13 The GNU MPFR Library is distributed in the hope that it will be useful, but 14 WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 15 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public 16 License for more details. 17 18 You should have received a copy of the GNU Lesser General Public License 19 along with the GNU MPFR Library; see the file COPYING.LESSER. If not, see 20 https://www.gnu.org/licenses/ or write to the Free Software Foundation, Inc., 21 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. */ 22 23 #include "mpfr-impl.h" 24 25 int 26 mpfr_set_flt (mpfr_ptr r, float f, mpfr_rnd_t rnd_mode) 27 { 28 /* we convert f to double precision and use mpfr_set_d; 29 NaN and infinities should be preserved (except the sign bit for NaN), 30 and all single precision numbers are exactly representable in the double 31 format, thus the conversion is always exact */ 32 return mpfr_set_d (r, (double) f, rnd_mode); 33 } 34 35