xspacelib.h File Reference

utility functions More...

#include <thrust/host_vector.h>
#include <cassert>
#include "dg/backend/typedefs.h"
#include "grid.h"
#include "dlt.h"
#include "operator.h"
#include "operator_tensor.h"

Go to the source code of this file.

Namespaces
namespace	dg
	This is the namespace for all functions and classes defined and used by the discontinuous Galerkin library.
namespace	dg::create
	Contains functions used for matrix creation.

Functions
template<class T >
dg::SparseMatrix< int, T, thrust::host_vector >	dg::tensorproduct (const dg::SparseMatrix< int, T, thrust::host_vector > &lhs, const dg::SparseMatrix< int, T, thrust::host_vector > &rhs)
	\( L\otimes R\) Form the tensor (Kronecker) product between two matrices
template<class T >
dg::SparseMatrix< int, T, thrust::host_vector >	dg::tensorproduct_cols (const dg::SparseMatrix< int, T, thrust::host_vector > &lhs, const dg::SparseMatrix< int, T, thrust::host_vector > &rhs)
	\( L\otimes R\) Form the tensor (Kronecker) product between two matrices in the column index
template<class real_type >
dg::IHMatrix_t< real_type >	dg::create::backscatter (const RealGrid1d< real_type > &g)
	Create a matrix \( B_{eq} F\) that interpolates values to an equidistant grid ready for visualisation.
template<class real_type >
dg::IHMatrix_t< real_type >	dg::create::backscatter (const aRealTopology2d< real_type > &g)
	Create a matrix \( B_{eq} F\) that interpolates values to an equidistant grid ready for visualisation.
template<class real_type >
dg::IHMatrix_t< real_type >	dg::create::backscatter (const aRealTopology3d< real_type > &g)
	Create a matrix \( B_{eq} F\) that interpolates values to an equidistant grid ready for visualisation.
template<class real_type >
dg::IHMatrix_t< real_type >	dg::create::inv_backscatter (const RealGrid1d< real_type > &g)
	Create a matrix \( (B_{eq} F)^{-1}\) that transforms values from an equidistant grid back to a dg grid.
template<class real_type >
dg::IHMatrix_t< real_type >	dg::create::inv_backscatter (const aRealTopology2d< real_type > &g)
	Create a matrix \( (B_{eq} F)^{-1}\) that transforms values from an equidistant grid back to a dg grid.
template<class real_type >
dg::IHMatrix_t< real_type >	dg::create::inv_backscatter (const aRealTopology3d< real_type > &g)
	Create a matrix \( (B_{eq} F)^{-1}\) that transforms values from an equidistant grid back to a dg grid.

Detailed Description

utility functions