LinearBasisFunction.hpp

/*

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*/
#ifndef _LINEARBASISFUNCTION_HPP_
#define _LINEARBASISFUNCTION_HPP_

#include "ChastePoint.hpp"
#include "UblasMatrixInclude.hpp"

template <unsigned ELEMENT_DIM>
class LinearBasisFunction
{
public:

    static double ComputeBasisFunction(const ChastePoint<ELEMENT_DIM>& rPoint, unsigned basisIndex);

    static c_vector<double, ELEMENT_DIM> ComputeBasisFunctionDerivative(const ChastePoint<ELEMENT_DIM>& rPoint, unsigned basisIndex);

    static void ComputeBasisFunctions(const ChastePoint<ELEMENT_DIM>& rPoint, c_vector<double, ELEMENT_DIM+1>& rReturnValue);
    static void ComputeBasisFunctionDerivatives(const ChastePoint<ELEMENT_DIM>& rPoint,
                                                c_matrix<double, ELEMENT_DIM, ELEMENT_DIM+1>& rReturnValue);

    static void ComputeTransformedBasisFunctionDerivatives(const ChastePoint<ELEMENT_DIM>& rPoint,
                                                           const c_matrix<double, ELEMENT_DIM, ELEMENT_DIM>& rInverseJacobian,
                                                           c_matrix<double, ELEMENT_DIM, ELEMENT_DIM+1>& rReturnValue);
};

template <>
class LinearBasisFunction<0>
{
public:
    static double ComputeBasisFunction(const ChastePoint<0>& rPoint, unsigned basisIndex);
    static void ComputeBasisFunctions(const ChastePoint<0>& rPoint,c_vector<double,1>& rReturnValue);
};

#endif //_LINEARBASISFUNCTION_HPP_