GMatrixPolicy.h

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#pragma once
 
#include "MathLib/VectorizedTensor.h"
#include "NumLib/Fem/ShapeMatrixPolicy.h"
 
namespace ProcessLib
{
template <typename ShapeFunction, int DisplacementDim>
class GMatrixPolicyType
{
private:
    template <int N>
    using VectorTypeFixedSize = typename EigenFixedShapeMatrixPolicy<
        ShapeFunction, DisplacementDim>::template VectorType<N>;
 
    template <int N, int M>
    using MatrixType = typename ShapeMatrixPolicyType<
        ShapeFunction, DisplacementDim>::template MatrixType<N, M>;
 
    // Dimensions of specific b-matrix for n-points and displacement dimension.
    static int const _number_of_dof = ShapeFunction::NPOINTS * DisplacementDim;
 
public:
    // For the 2D case the 33-component is needed (and the four entries
    // of the non-symmetric matrix); In 3d there are nine entries.
    using GradientMatrixType =
        MatrixType<MathLib::VectorizedTensor::size(DisplacementDim),
                   _number_of_dof>;
    using GradientVectorType =
        VectorTypeFixedSize<MathLib::VectorizedTensor::size(DisplacementDim)>;
};
}  // namespace ProcessLib