Common: Add a clamp function to math_utils.h

2014-08-18 18:05:07 +07:00 · 2014-08-18 18:05:07 +07:00 · 2f571a0d9d
parent 0a1aab5b42
commit 2f571a0d9d
1 changed files with 7 additions and 0 deletions
--- a/src/common/math_util.h
+++ b/src/common/math_util.h
@ -6,11 +6,18 @@

 #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,