first commit

project/fm_viewer/core/rm_utility.cpp

@@ -0,0 +1,12 @@
+#include "rm_utility.h"
+
+RMUtility::RMUtility()
+{
+
+}
+float RMUtility::range(float fmin, float fmax,float tmin, float tmax, float value)
+{
+    const float newRange    = tmax - tmin;
+    const float oldRange    = fmax - fmin;
+    return ((((value - (fmin)) * newRange) / oldRange) + tmin);
+}