12 #ifndef MFEM_FE_SERENDIPITY
13 #define MFEM_FE_SERENDIPITY
virtual void GetLocalInterpolation(ElementTransformation &Trans, DenseMatrix &I) const
Return the local interpolation matrix I (Dof x Dof) where the fine element is the image of the base g...
virtual void Project(Coefficient &coeff, ElementTransformation &Trans, Vector &dofs) const
Given a coefficient and a transformation, compute its projection (approximation) in the local finite ...
virtual void CalcShape(const IntegrationPoint &ip, Vector &shape) const
Evaluate the values of all shape functions of a scalar finite element in reference space at the given...
Data type dense matrix using column-major storage.
Class for finite elements with basis functions that return scalar values.
virtual void CalcDShape(const IntegrationPoint &ip, DenseMatrix &dshape) const
Evaluate the gradients of all shape functions of a scalar finite element in reference space at the gi...
double p(const Vector &x, double t)
Class for integration point with weight.
Arbitrary order H1 serendipity elements in 2D on a quad.
H1Ser_QuadrilateralElement(const int p)
Construct the H1Ser_QuadrilateralElement of order p.