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#include <HMesh/Manifold.h>
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#include <HMesh/Manifold.h>
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#include <LinAlg/Matrix.h>
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#include <LinAlg/Matrix.h>
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#include <LinAlg/Vector.h>
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#include <LinAlg/Vector.h>
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#include "Renderer.h"
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#include "Renderer.h"
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#define USE_SPARSE_MATRIX 1
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class Harmonics
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class Harmonics
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{
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{
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	HMesh::Manifold& mani;
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	HMesh::Manifold& mani;
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	static GLuint prog_P0;
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	static GLuint prog_P0;
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	std::vector<CGLA::Vec3d> proj;
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	std::vector<CGLA::Vec3d> proj;
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	LinAlg::CMatrix Q;
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	LinAlg::CMatrix Q;
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	LinAlg::CVector qnorm;
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	LinAlg::CVector V;
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	LinAlg::CVector V;
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	LinAlg::CVector S;
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	std::vector<float> max_eig_values;
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	std::vector<float> max_eig_values;
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	void make_laplace_operator();
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	void make_laplace_operator();
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	void make_laplace_operator_sparse();
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public:
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public:
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	/// Initialize API (must be called first)
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	/// Initialize API (must be called first)
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	static void init();
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	static void init();
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	/// Parse keystrokes that would influence the interactive display
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	/// Parse keystrokes that would influence the interactive display
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	void parse_key(unsigned char key);
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	void parse_key(unsigned char key);
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	/// Draw with eigenvalues
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	/// Draw with eigenvalues
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	void draw();
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	void draw_adf();
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};
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};
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class HarmonicsRenderer: public ManifoldRenderer
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class HarmonicsRenderer: public ManifoldRenderer
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	public:
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	public:
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		HarmonicsRenderer(Harmonics* h)
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		HarmonicsRenderer(Harmonics* h)
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		{
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		{
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			glNewList(display_list,GL_COMPILE);
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			glNewList(display_list,GL_COMPILE);
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			if(h) h->draw();
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			if(h) h->draw_adf();
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			glEndList();
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			glEndList();
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		}
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		}
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	};
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	};
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