diff options
Diffstat (limited to 'Build/source/libs/mpfr/mpfr-src/src/cmp_d.c')
-rw-r--r-- | Build/source/libs/mpfr/mpfr-src/src/cmp_d.c | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/Build/source/libs/mpfr/mpfr-src/src/cmp_d.c b/Build/source/libs/mpfr/mpfr-src/src/cmp_d.c new file mode 100644 index 00000000000..1f72260dd9d --- /dev/null +++ b/Build/source/libs/mpfr/mpfr-src/src/cmp_d.c @@ -0,0 +1,45 @@ +/* mpfr_cmp_d -- compare a floating-point number with a double + +Copyright 2003-2004, 2006-2020 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_cmp_d (mpfr_srcptr b, double d) +{ + mpfr_t tmp; + int res; + mp_limb_t tmp_man[MPFR_LIMBS_PER_DOUBLE]; + MPFR_SAVE_EXPO_DECL (expo); + + MPFR_SAVE_EXPO_MARK (expo); + + MPFR_TMP_INIT1(tmp_man, tmp, IEEE_DBL_MANT_DIG); + res = mpfr_set_d (tmp, d, MPFR_RNDN); + MPFR_ASSERTD (res == 0); + + MPFR_CLEAR_FLAGS (); + res = mpfr_cmp (b, tmp); + MPFR_SAVE_EXPO_UPDATE_FLAGS (expo, __gmpfr_flags); + + MPFR_SAVE_EXPO_FREE (expo); + return res; +} |