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author | Kevin Ryde <user42@zip.com.au> | 2001-02-17 22:38:05 +0100 |
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committer | Kevin Ryde <user42@zip.com.au> | 2001-02-17 22:38:05 +0100 |
commit | 98e642c15bc7e84c5ebc8b232d0629e2343dc0a8 (patch) | |
tree | ac37ecbba3050718418d59f1bdfa8373743bfb04 /mpfr | |
parent | cf678abda9f894bfec9a7461242a47e016ebc758 (diff) | |
download | gmp-98e642c15bc7e84c5ebc8b232d0629e2343dc0a8.tar.gz |
* mpfr/*: Update to 20010215.
Diffstat (limited to 'mpfr')
-rw-r--r-- | mpfr/isnan.c | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/mpfr/isnan.c b/mpfr/isnan.c new file mode 100644 index 000000000..a13d9997c --- /dev/null +++ b/mpfr/isnan.c @@ -0,0 +1,43 @@ +/* mpfr_nan_p, mpfr_inf_p -- check for NaN or infinities + +Copyright (C) 2000-2001 Free Software Foundation. + +This file is part of the MPFR Library. + +The MPFR Library is free software; you can redistribute it and/or modify +it under the terms of the GNU Library General Public License as published by +the Free Software Foundation; either version 2 of the License, or (at your +option) any later version. + +The 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 Library General Public +License for more details. + +You should have received a copy of the GNU Library General Public License +along with the MPFR Library; see the file COPYING.LIB. If not, write to +the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, +MA 02111-1307, USA. */ + +#include "gmp.h" +#include "gmp-impl.h" +#include "mpfr.h" +#include "mpfr-impl.h" + +int +mpfr_nan_p (mpfr_srcptr x) +{ + return MPFR_IS_NAN (x); +} + +int +mpfr_inf_p (mpfr_srcptr x) +{ + return (!MPFR_IS_NAN(x) && MPFR_IS_INF(x)); +} + +int +mpfr_number_p (mpfr_srcptr x) +{ + return !MPFR_IS_NAN(x); +} |