diff options
author | Brian Gaeke <gaeke@uiuc.edu> | 2004-06-22 23:54:38 +0000 |
---|---|---|
committer | Brian Gaeke <gaeke@uiuc.edu> | 2004-06-22 23:54:38 +0000 |
commit | 30135b2c816718e63630b9b42723883fc58f48fe (patch) | |
tree | f5711602af6260bdcf3ccf7ab5bfa049c10a3249 /lib/Support | |
parent | 5c039879649f12c17f6c52c08be9a82d838525f9 (diff) | |
download | external_llvm-30135b2c816718e63630b9b42723883fc58f48fe.zip external_llvm-30135b2c816718e63630b9b42723883fc58f48fe.tar.gz external_llvm-30135b2c816718e63630b9b42723883fc58f48fe.tar.bz2 |
Wrapper for c99 isnan()
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14338 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Support')
-rw-r--r-- | lib/Support/IsNAN.cpp | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/lib/Support/IsNAN.cpp b/lib/Support/IsNAN.cpp new file mode 100644 index 0000000..ade6bf1 --- /dev/null +++ b/lib/Support/IsNAN.cpp @@ -0,0 +1,31 @@ +//===-- IsNAN.cpp ---------------------------------------------------------===// +// +// The LLVM Compiler Infrastructure +// +// This file was developed by the LLVM research group and is distributed under +// the University of Illinois Open Source License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// +// +// Platform-independent wrapper around C99 isnan(). +// +//===----------------------------------------------------------------------===// + +#include "Config/config.h" +#if HAVE_ISNAN_IN_MATH_H +# include <math.h> +#elif HAVE_ISNAN_IN_CMATH +# include <cmath> +#elif HAVE_STD_ISNAN_IN_CMATH +# include <cmath> +using std::isnan; +#else +# error "Don't know how to get isnan()" +#endif + +namespace llvm { + +int IsNAN (float f) { return isnan (f); } +int IsNAN (double d) { return isnan (d); } + +}; // end namespace llvm; |