mpi_projection.h File Reference

Useful MPI typedefs and overloads of interpolation and projection. More...

#include "dg/backend/typedefs.h"
#include "dg/backend/index.h"
#include "dg/backend/mpi_matrix.h"
#include "dg/backend/mpi_gather.h"
#include "mpi_grid.h"
#include "projection.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 ConversionPolicy , class real_type >
dg::MIHMatrix_t< real_type >	dg::make_mpi_matrix (const dg::IHMatrix_t< real_type > &global_cols, const ConversionPolicy &col_policy)
	Convert a (row-distributed) matrix with local row and global column indices to a row distributed MPI matrix.
template<class ConversionPolicy , class real_type >
dg::IHMatrix_t< real_type >	dg::convertGlobal2LocalRows (const dg::IHMatrix_t< real_type > &global, const ConversionPolicy &row_policy)
	Convert a (column-distributed) matrix with global row and column indices to a row distributed matrix.
template<class ConversionPolicy , class real_type >
void	dg::convertLocal2GlobalCols (dg::IHMatrix_t< real_type > &local, const ConversionPolicy &policy)
	Convert a matrix with local column indices to a matrix with global column indices.
template<class MPITopology , typename = std::enable_if_t<dg::is_vector_v< typename MPITopology::host_vector, MPIVectorTag>>>
dg::MIHMatrix_t< typename MPITopology::value_type >	dg::create::interpolation (const MPITopology &g_new, const MPITopology &g_old, std::string method="dg")
	Create interpolation between two grids.
template<class MPITopology , typename = std::enable_if_t<dg::is_vector_v< typename MPITopology::host_vector, MPIVectorTag>>>
dg::MIHMatrix_t< typename MPITopology::value_type >	dg::create::projection (const MPITopology &g_new, const MPITopology &g_old, std::string method="dg")
	Create a projection between two grids.
template<class RecursiveHostVector , class real_type , size_t Nd>
dg::MIHMatrix_t< real_type >	dg::create::interpolation (const RecursiveHostVector &x, const aRealMPITopology< real_type, Nd > &g, std::array< dg::bc, Nd > bcx, std::string method="dg")
	Create interpolation matrix of a list of points in given grid.
template<class host_vector , class real_type >
dg::MIHMatrix_t< real_type >	dg::create::interpolation (const host_vector &x, const RealMPIGrid1d< real_type > &g, dg::bc bcx=dg::NEU, std::string method="dg")
	Create an MPI row distributed interpolation 1d matrix.
template<class host_vector , class real_type >
dg::MIHMatrix_t< real_type >	dg::create::interpolation (const host_vector &x, const host_vector &y, const aRealMPITopology2d< real_type > &g, dg::bc bcx=dg::NEU, dg::bc bcy=dg::NEU, std::string method="dg")
	Create an MPI row distributed interpolation 2d matrix.
template<class host_vector , class real_type >
dg::MIHMatrix_t< real_type >	dg::create::interpolation (const host_vector &x, const host_vector &y, const host_vector &z, const aRealMPITopology3d< real_type > &g, dg::bc bcx=dg::NEU, dg::bc bcy=dg::NEU, dg::bc bcz=dg::PER, std::string method="dg")
	Create an MPI row distributed interpolation 3d matrix.

Detailed Description

Useful MPI typedefs and overloads of interpolation and projection.