DirectXShaderCompiler/lib/Support/MathExtras.cpp

//===-- MathExtras.cpp - Implement the MathExtras header --------------===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file implements the MathExtras.h header
//
//===----------------------------------------------------------------------===//

#include "llvm/Support/MathExtras.h"

#ifdef _MSC_VER
#include <limits>
#else
#include <math.h>
#endif

namespace llvm {

#if defined(_MSC_VER)
  // Visual Studio defines the HUGE_VAL class of macros using purposeful
  // constant arithmetic overflow, which it then warns on when encountered.
  const float huge_valf = std::numeric_limits<float>::infinity();
#else
  const float huge_valf = HUGE_VALF;
#endif

}