Implement a helper function to clamp a value between the ranges of another type.

source/Base/Shared.cpp

@@ -19,7 +19,6 @@
 // ------------------------------------------------------------------------------------------------
 #include <ctime>
 #include <cfloat>
-#include <limits>
 #include <cstdarg>
 #include <cstring>
 #include <algorithm>

source/Base/Shared.hpp

@@ -6,6 +6,7 @@
 
 // ------------------------------------------------------------------------------------------------
 #include <cmath>
+#include <limits>
 
 // ------------------------------------------------------------------------------------------------
 #include <vcmp.h>
@@ -225,6 +226,25 @@ template< typename T > inline T Clamp(T val, T min, T max)
     return val < min ? min : (val > max ? max : val);
 }
 
+/* ------------------------------------------------------------------------------------------------
+ * Force a value to be the boundaries of the specified type.
+*/
+template< typename T, typename U > inline U ClampL(T val)
+{
+    // Is the specified value bellow the minimum?
+    if (val < std::numeric_limits< U >::min())
+    {
+        return std::numeric_limits< U >::min();
+    }
+    // Is the specified value above the maximum?
+    else if (val > std::numeric_limits< U >::max())
+    {
+        return std::numeric_limits< U >::max();
+    }
+    // Return the value as is
+    return static_cast< U >(val);
+}
+
 /* ------------------------------------------------------------------------------------------------
  * Compute the next power of two for the specified number.
 */