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Commit 39d2b367 authored by Youett, Jonathan's avatar Youett, Jonathan Committed by akbib@FU-BERLIN.DE
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make class inherit from BasisGridFunction

[[Imported from SVN: r7972]]
parent de6578f0
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......@@ -10,17 +10,21 @@
#include <dune/gfe/localgfetestfunction.hh>
#include <dune/fufem/functions/virtualgridfunction.hh>
#include <dune/fufem/functions/basisgridfunction.hh>
/** \brief Global geodesic finite element test function.
*
* \tparam Basis - The global basis type.
* \tparam B - The global basis type.
* \tparam TargetSpace - The manifold that this functions takes its values in.
* \tparam CoefficientType - The coefficient vector type.
*/
template<class Basis, class TargetSpace, class CoefficientType>
GlobalGFETestFunction : public VirtualGridFunction<typename Basis::GridView::Grid, typename TargetSpace::EmbeddedTangentVector> {
template<class B, class TargetSpace, class CoefficientType>
GlobalGFETestFunction : public BasisGridFunction<Basis,CoefficientType>
{
public:
typedef B Basis;
private:
typedef typename Basis::LocalFiniteElement LocalFiniteElement;
typedef typename Basis::GridView GridView;
typedef typename GridView::template Codim<0>::Entity Element;
......@@ -38,11 +42,9 @@ GlobalGFETestFunction : public VirtualGridFunction<typename Basis::GridView::Gri
enum { tangentDim = TargetSpace::TangentVector::dimension };
public:
//! Create global function by a global gfe test basis and the corresponding coefficient vectors
GlobalGFETestFunction(const Basis& basis, const CoefficientType& coefficients) :
basis_(basis),
coefficients_(coefficients)
BasisGridFunction<Basis,CoefficientType>(basis,coefficients)
{}
/** \brief Evaluate the function at local coordinates. */
......@@ -52,33 +54,27 @@ public:
void evaluateDerivativeLocal(const Element& element, const Dune::FieldVector<gridDim,ctype>& local,
Dune::FieldMatrix<ctype, embeddedDim, gridDim>& out) const;
private:
//! The global basis
const Basis& basis_;
//! The coefficient vector for the global test function
const CoefficientType& coefficients_;
};
template<class Basis, class TargetSpace, class CoefficientType>
void GlobalGFETestFunction<Basis,TargetSpace>::evaluateLocal(const Element& element, const Dune::FieldVector<gridDim,ctype>& local,
EmbeddedTangentVector& out) const
{
int numOfBasisFct = basis_.getLocalFiniteElement(element).size();
int numOfBasisFct = this->basis_.getLocalFiniteElement(element).size();
// values of the test basis functions
std::vector<Dune::array<EmbeddedTangentVector, tangentDim> > values;
// create local gfe test function
basis_.getLocalFiniteElement(element).localBasis().evaluateFunction(local, values);
this->basis_.getLocalFiniteElement(element).localBasis().evaluateFunction(local, values);
// multiply values with the corresponding test coefficients and sum them up
out = 0;
for (int i=0; i<values.size(); i++) {
int index = basis_.index(element,i);
int index = this->basis_.index(element,i);
for (int j=0; j<tangentDim; j++) {
values[i][j] *= coefficients_[index][j];
values[i][j] *= this->coefficients_[index][j];
out += values[i][j];
}
}
......@@ -92,15 +88,15 @@ void GlobalGFETestFunction<Basis,TargetSpace>::evaluateDerivativeLocal(const Ele
std::vector<Dune::array<Dune::FieldMatrix<ctype, embeddedDim, gridDim>, tangentDim> > jacobians;
// evaluate local gfe test function basis
basis_.getLocalFiniteElement(element).localBasis().evaluateJacobian(local, jacobians);
this->basis_.getLocalFiniteElement(element).localBasis().evaluateJacobian(local, jacobians);
// multiply values with the corresponding test coefficients and sum them up
out = 0;
for (int i=0; i<jacobians.size(); i++) {
int index = basis_.index(element,i);
int index = this->basis_.index(element,i);
for (int j=0; j<tangentDim; j++) {
jacobians[i][j] *= coefficients_[index][j];
jacobians[i][j] *= this->coefficients_[index][j];
out += jacobians[i][j];
}
}
......
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