ippl/src/FEM/Elements/Element.h

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//
 
#ifndef IPPL_ELEMENT_H
#define IPPL_ELEMENT_H
 
#include "Types/Vector.h"
 
namespace ippl {
 
    template <typename T, unsigned Dim, unsigned NumVertices>
    class Element {
    public:
        static constexpr unsigned dim         = Dim;
        static constexpr unsigned numVertices = NumVertices;
 
        // A point in the local or global coordinate system
        typedef Vector<T, Dim> point_t;
 
        // A list of all vertices
        typedef Vector<point_t, NumVertices> vertex_points_t;
 
        // Cannot define common functions to all Element child classes
        // due to problem with accessing the Element functions through
        // the Finite Element Space class from device code 
        // (defaults to base class virtual function which causes errors)
        // 
        // The common functions would be globalToLocal, localToGlobal,
        // getDeterminantOfTransformationJacobian, getInverseTransposeTransformationJacobian,
        // and isPointInRefElement.
        //
        // Virtual functions would be getLocalVertices, getTransformationJacobian, 
        // and getInverseTransformationJacobian.
    };
 
    template <typename T, unsigned NumVertices>
    using Element1D = Element<T, 1, NumVertices>;
 
    template <typename T, unsigned NumVertices>
    using Element2D = Element<T, 2, NumVertices>;
 
    template <typename T, unsigned NumVertices>
    using Element3D = Element<T, 3, NumVertices>;
 
}  // namespace ippl
 
#endif