1 files changed, 32 insertions, 0 deletions
diff --git a/contrib/llvm/lib/Support/MathExtras.cpp b/contrib/llvm/lib/Support/MathExtras.cpp
new file mode 100644
index 000000000000..ba0924540ceb
--- /dev/null
+++ b/contrib/llvm/lib/Support/MathExtras.cpp
@@ -0,0 +1,32 @@
+//===-- 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
+
+}