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Diffstat (limited to 'gnulib/lib/isinf.c')
m--------- | gnulib | 0 | ||||
-rw-r--r-- | gnulib/lib/isinf.c | 40 |
2 files changed, 40 insertions, 0 deletions
diff --git a/gnulib b/gnulib deleted file mode 160000 -Subproject 443bc5ffcf7429e557f4a371b0661abe98ddbc1 diff --git a/gnulib/lib/isinf.c b/gnulib/lib/isinf.c new file mode 100644 index 0000000..7ccca79 --- /dev/null +++ b/gnulib/lib/isinf.c @@ -0,0 +1,40 @@ +/* Test for positive or negative infinity. + Copyright (C) 2007-2011 Free Software Foundation, Inc. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2, or (at your option) + any later version. + + This program 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 General Public License for more details. + + You should have received a copy of the GNU General Public License along + with this program; if not, write to the Free Software Foundation, + Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ + +/* Written by Ben Pfaff <blp@gnu.org>, 2008. */ + +#include <config.h> + +#include <float.h> + +int +gl_isinff (float x) +{ + return x < -FLT_MAX || x > FLT_MAX; +} + +int +gl_isinfd (double x) +{ + return x < -DBL_MAX || x > DBL_MAX; +} + +int +gl_isinfl (long double x) +{ + return x < -LDBL_MAX || x > LDBL_MAX; +} |