Grad.h file

Gradient operator specialization for P0 (piecewise constant) functions.

For P0 functions, the gradient is zero within each element since implies .

Namespaces

namespace Rodin: The Rodin library for finite element methods and shape optimization.
namespace Rodin::FormLanguage: Namespace Rodin::FormLanguage.
namespace Rodin::Variational: Namespace Rodin::Variational.

template<class Range, class Data, class Mesh> struct Rodin::FormLanguage::Traits<Variational::Grad<Variational::GridFunction<Variational::P0<Range, Mesh>, Data>>>: Type traits for Grad over a grid function: exposes the finite element space and the operand type.
template<class NestedDerived, class Range, class Mesh, Variational::ShapeFunctionSpaceType Space> struct Rodin::FormLanguage::Traits<Variational::Grad<Variational::ShapeFunction<NestedDerived, Variational::P0<Range, Mesh>, Space>>>: Type traits for Grad over a shape function: exposes the finite element space, the shape function space and the operand type.
template<class Range, class Data, class Mesh> class Rodin::Variational::Grad<GridFunction<P0<Range, Mesh>, Data>>: Gradient of a P0 GridFunction.
template<class NestedDerived, class Scalar, class Mesh, ShapeFunctionSpaceType SpaceType> class Rodin::Variational::Grad<ShapeFunction<NestedDerived, P0<Scalar, Mesh>, SpaceType>>: Gradient of a P0 ShapeFunction.