//===-- 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.
-//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
//===----------------------------------------------------------------------===//
//
-// Platform-independent wrapper around C99 isnan().
+// 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
#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;
+ int IsNAN(float f) { return isnan(f); }
+ int IsNAN(double d) { return isnan(d); }
+} // end namespace llvm;