diff options
Diffstat (limited to 'Build/source/libs/mpfi/mpfi-src/src/predicates.c')
-rw-r--r-- | Build/source/libs/mpfi/mpfi-src/src/predicates.c | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/Build/source/libs/mpfi/mpfi-src/src/predicates.c b/Build/source/libs/mpfi/mpfi-src/src/predicates.c new file mode 100644 index 00000000000..03be082d4b1 --- /dev/null +++ b/Build/source/libs/mpfi/mpfi-src/src/predicates.c @@ -0,0 +1,46 @@ +/* predicates.c -- Predicates. + +Copyright 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2010, + Spaces project, Inria Lorraine + and Salsa project, INRIA Rocquencourt, + and Arenaire project, Inria Rhone-Alpes, France + and Lab. ANO, USTL (Univ. of Lille), France + +This file is part of the MPFI Library. + +The MPFI 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 2.1 of the License, or (at your +option) any later version. + +The MPFI 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 MPFI Library; see the file COPYING.LIB. If not, write to +the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, +MA 02110-1301, USA. */ + +#include "mpfi-impl.h" + +int +mpfi_nan_p (mpfi_srcptr a) +{ + return (mpfr_nan_p (&(a->left)) || mpfr_nan_p (&(a->right))); +} + +int +mpfi_inf_p (mpfi_srcptr a) +{ + return (mpfr_inf_p (&(a->left)) || mpfr_inf_p (&(a->right))) + && !MPFI_NAN_P (a); +} + +int +mpfi_bounded_p (mpfi_srcptr a) +{ + return (mpfr_number_p (&(a->left)) && mpfr_number_p (&(a->right)) + && !MPFI_NAN_P (a)); +} |