/* mpfr_set_flt -- convert a machine single precision float to mpfr_t Copyright 2009, 2010, 2011, 2012, 2013 Free Software Foundation, Inc. Contributed by the AriC and Caramel 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 http://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, 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); }