matrix.hpp File Reference

Declares dense matrix and vector operations, including BLAS wrappers. More...

#include <generic/common.hpp>
#include <generic/storage.hpp>
#include <generic/kernels.hpp>
#include <generic/index.hpp>
#include <generic/utility.hpp>

Go to the source code of this file.

Classes
struct	Ensign::Matrix::blas_ops
	Provides matrix and vector operations with optional GPU execution. More...
struct	Ensign::Matrix::diagonalization
	Helper class to perform diagonalization of a symmetric matrix (also known as the Schur decomposition) Factorizes the matrix CC as follows CC = TT*diag(diag_r)*TT^T. More...
struct	Ensign::Matrix::lu_solver< T >
	Linear solver based on a LU decomposition. More...

Namespaces
namespace	Ensign
	Core namespace for Ensign's numerical algorithms and data structures.
namespace	Ensign::Matrix
	Dense matrix operations.

Functions
template<class T >
void	Ensign::Matrix::set_zero (multi_array< T, 2 > &a)
	Set matrix to zero.
template<class T >
void	Ensign::Matrix::set_identity (multi_array< T, 2 > &a)
	Set matrix to identity.
template<class T , size_t d>
void	Ensign::Matrix::set_const (multi_array< T, d > &a, T alpha)
	Set vector or matrix to a constant value.
template<class T >
void	Ensign::Matrix::ptw_mult_row (const multi_array< T, 2 > &a, const multi_array< T, 1 > &w, multi_array< T, 2 > &out)
	Multiply every row of a matrix with a vector (i.e.
template<class T >
void	Ensign::Matrix::transpose_inplace (multi_array< T, 2 > &a)
	Transpose a square matrix inplace (intended for small matrices)
template<class T >
void	Ensign::Matrix::svd (const multi_array< T, 2 > &input, multi_array< T, 2 > &U, multi_array< T, 2 > &V, multi_array< T, 1 > &sigma_diag, const blas_ops &blas)
	Computes the singular value decomposition of the matrix input.
template<class T >
void	Ensign::Matrix::qr (multi_array< T, 2 > &Q, multi_array< T, 2 > &R)

Detailed Description

Declares dense matrix and vector operations, including BLAS wrappers.

Definition in file matrix.hpp.