Initial checkin

BeefySysLib/util/CubicFuncSpline.h

@@ -0,0 +1,57 @@
+#pragma once
+
+#include "Common.h"
+#include "Point.h"
+#include <vector>
+
+NS_BF_BEGIN;
+
+class CubicFuncSpline
+{
+public:	
+	std::vector<Point2D>	mInputPoints;
+	float* lagpoly;
+	float* intpoly;
+	float* slopes;
+	
+protected:
+	void					Lagrange();
+	void					ComputeSplineSlopes();
+
+public:
+	CubicFuncSpline();
+	~CubicFuncSpline();
+
+	void					AddPt(float x, float y);
+	int						GetLength();	
+
+	void					Calculate();
+	float					Evaluate(float x);
+	
+};
+
+class CubicUnitFuncSpline
+{
+public:	
+	std::vector<float>		mInputPoints;
+	float* lagpoly;
+	float* intpoly;
+	float* slopes;
+	
+protected:
+	void					Lagrange();
+	void					ComputeSplineSlopes();
+
+public:
+	CubicUnitFuncSpline();
+	~CubicUnitFuncSpline();
+
+	void					AddPt(float y);
+	int						GetLength();	
+
+	void					Calculate();
+	float					Evaluate(float x);
+	
+};
+
+NS_BF_END;