Initial commit

Number.h

@@ -0,0 +1,19 @@
+
+#ifndef NUMBER_UTILS_H
+#define NUMBER_UTILS_H
+
+#include <iostream>
+#include <type_traits>
+
+// Map a value with range, to another range.
+template<typename T>
+T mapRange(T value, T inMin, T inMax, T outMin, T outMax) {
+    static_assert(std::is_arithmetic<T>::value, "Template parameter must be a numeric type");
+    if (inMin == inMax) {
+        return value;
+    }
+
+    return (value - inMin) * (outMax - outMin) / (inMax - inMin) + outMin;
+}
+
+#endif //NUMBER_UTILS_H