1 files changed, 8 insertions, 5 deletions
diff --git a/src/common/math_util.h b/src/common/math_util.h
index 9167d2012..b32e7bb14 100644
--- a/src/common/math_util.h
+++ b/src/common/math_util.h
@@ -2,17 +2,22 @@
 // Licensed under GPLv2
 // Refer to the license.txt file included.
 
-
-#ifndef _MATH_UTIL_H_
-#define _MATH_UTIL_H_
+#pragma once
 
 #include "common/common.h"
 
+#include <algorithm>
 #include <vector>
 
 namespace MathUtil
 {
 
+template<typename T>
+inline T Clamp(const T val, const T& min, const T& max)
+{
+    return std::max(min, std::min(max, val));
+}
+
 static const u64 DOUBLE_SIGN = 0x8000000000000000ULL,
     DOUBLE_EXP  = 0x7FF0000000000000ULL,
     DOUBLE_FRAC = 0x000FFFFFFFFFFFFFULL,
@@ -196,5 +201,3 @@ public:
 
     float data[16];
 };
-
-#endif // _MATH_UTIL_H_