mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-10-30 15:32:52 +01:00
35 lines
961 B
C++
35 lines
961 B
C++
//===-- 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 "llvm/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;
|
|
#elif defined(_MSC_VER)
|
|
#include <float.h>
|
|
#define isnan _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;
|