matrix.hpp File Reference

#include "NeoN/core/vector/vector.hpp"
#include "NeoN/linearAlgebra/cooSparsityPattern.hpp"
#include "NeoN/linearAlgebra/csrSparsityPattern.hpp"
#include "NeoN/linearAlgebra/faceToMatrixAddress.hpp"

Go to the source code of this file.

Classes
struct	NeoN::la::MatrixView< ValueType, SparsityViewType >
	A view struct to allow easy read/write on all executors. More...
class	NeoN::la::Matrix< ValueType, SparsityType >
	Sparse matrix class with compact storage by row (CSR) format. More...

Namespaces
namespace	NeoN
	Integer types used throughout NeoN.
namespace	NeoN::la

Typedefs
template<typename ValueType , typename IndexType >
using	NeoN::la::CSRMatrix = Matrix< ValueType, la::CsrSparsityPattern< IndexType > >
template<typename ValueType , typename IndexType >
using	NeoN::la::COOMatrix = Matrix< ValueType, la::CooSparsityPattern< IndexType > >

Functions
template<typename ValueType , typename IndexType >
Vector< ValueType >	NeoN::la::upper (const CSRMatrix< ValueType, IndexType > &)
	extract the upper triangular of the matrix
Vector< scalar >	NeoN::la::scaledInverseDiag (const CSRMatrix< Vec3, localIdx > &, const Vector< scalar > &)
	computes the inverted diagonal of a matrix and scales it by a, ie. a*D^-1
void	NeoN::la::scaledInverseDiag (const CSRMatrix< Vec3, localIdx > &mtx, const Vector< scalar > &a, Vector< scalar > &out)
Vector< scalar >	NeoN::la::scaledInverseDiag (const CSRMatrix< Vec3, localIdx > &, const FaceToMatrixAddress &mi, const Vector< scalar > &)
	computes the inverted diagonal of a matrix and scales it by a, ie. a*D^-1
void	NeoN::la::scaledInverseDiag (const CSRMatrix< Vec3, localIdx > &mtx, const FaceToMatrixAddress &mi, const Vector< scalar > &a, Vector< scalar > &out)
Vector< scalar >	NeoN::la::scaledInverseDiag (const CSRMatrix< scalar, localIdx > &, const FaceToMatrixAddress &mi, const Vector< scalar > &)
	scalar-matrix variant of scaledInverseDiag for the segregated vector-solve form
void	NeoN::la::scaledInverseDiag (const CSRMatrix< scalar, localIdx > &mtx, const FaceToMatrixAddress &mi, const Vector< scalar > &a, Vector< scalar > &out)
template<unsigned int I>
auto	NeoN::la::getComponent (const CSRMatrix< Vec3, localIdx > &in)
void	NeoN::la::negLUx (const CSRMatrix< Vec3, localIdx > &mtx, const Vector< Vec3 > &a, const Vector< Vec3 > &b, const Vector< scalar > &rAU, const Vector< scalar > &vol, Vector< Vec3 > &out)
	computes out = -(L+U) x
void	NeoN::la::scaledInvDiagNegLUx (const CSRMatrix< Vec3, localIdx > &mtx, const Vector< Vec3 > &a, const Vector< Vec3 > &b, const Vector< scalar > &vol, Vector< scalar > &rAU, Vector< Vec3 > &out)
	computes out = -(L+U) x
void	NeoN::la::scaledInvDiagNegLUx (const CSRMatrix< scalar, localIdx > &mtx, const Vector< Vec3 > &a, const Vector< Vec3 > &b, const Vector< scalar > &vol, Vector< scalar > &rAU, Vector< Vec3 > &out)
	scalar-matrix / Vec3-rhs variant of scaledInvDiagNegLUx