www.pudn.com > Image_segment.rar > PDE.h

//Copyright (c) 2004-2005, Baris Sumengen 
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// CIMPL Matrix Performance Library 
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#pragma once 
#ifndef PDE_H 
#define PDE_H 
 
#include  
 
#include "cimpl.h" 
using namespace CIMPL; 
 
#include "cimpltoolboxes.h" 
using namespace MathCore; 
using namespace Analysis; 
 
 
namespace PDE 
{ 
	enum BoundaryCondition 
	{ 
		Neumann, 
		Dirichlet 
	}; 
 
	Vector tridiagonal_solve(Vector& a, Vector& b, Vector& c, Vector& w); 
 
	Vector Poisson1D(Vector& v, float dx, BoundaryCondition boundary = Dirichlet); 
	Vector Poisson1DFFT(Vector& v, float dx, BoundaryCondition boundary = Dirichlet); 
	Matrix Poisson2DFFT(Matrix& v, float dx, BoundaryCondition boundary = Dirichlet); 
 
	Vector FFTSin(Vector& m); 
	Vector IFFTSin(Vector& M); 
	Vector FFTCos(Vector& m); 
	Vector IFFTCos(Vector& M); 
	Matrix FFT2Cos(Matrix& m); 
	Matrix IFFT2Cos(Matrix& M); 
 
}; 
 
 
 
#endif