hosvd.cxx File Reference

#include <ctf.hpp>
#include <stdlib.h>
#include <iostream>
#include <stdio.h>
#include <complex>

Include dependency graph for hosvd.cxx:

Go to the source code of this file.

Functions
void	Cblacs_pinfo (int *, int *)
void	Cblacs_get (int, int, int *)
void	Cblacs_gridinit (int *, char *, int, int)
void	Cblacs_gridinfo (int, int *, int *, int *, int *)
void	Cblacs_gridmap (int *, int *, int, int, int)
void	Cblacs_barrier (int, char *)
void	Cblacs_gridexit (int)
void	fold_unfold (Tensor<> &X, Tensor<> &Y)
std::vector< Matrix<> >	get_factor_matrices (Tensor<> &T, int ranks[], World &dw)
Tensor	get_core_tensor (Tensor<> &T, std::vector< Matrix<> > factor_matrices, int ranks[], World &dw)
void	hosvd (Tensor<> &T, Tensor<> &core, std::vector< Matrix<> > factor_matrices, int *ranks, World &dw)
Tensor	get_core_tensor_hooi (Tensor<> &T, std::vector< Matrix<> > factor_matrices, int ranks[], World &dw, int j=-1)
void	hooi (Tensor<> &T, Tensor<> &core, std::vector< Matrix<> > factor_matrices, int *ranks, World &dw)
int	main (int argc, char **argv)

Variables
int	icontxt

Function Documentation

void Cblacs_barrier	(	int	,
		char *
	)

Referenced by CTF_SCALAPACK::cblacs_barrier().

void Cblacs_get	(	int	,
		int	,
		int *
	)

Referenced by CTF_SCALAPACK::cblacs_get(), and main().

void Cblacs_gridexit

(

int

)

Referenced by CTF_SCALAPACK::cblacs_gridexit().

void Cblacs_gridinfo	(	int	,
		int *	,
		int *	,
		int *	,
		int *
	)

Referenced by CTF_SCALAPACK::cblacs_gridinfo().

void Cblacs_gridinit	(	int *	,
		char *	,
		int	,
		int
	)

Referenced by CTF_SCALAPACK::cblacs_gridinit(), and main().

void Cblacs_gridmap	(	int *	,
		int *	,
		int	,
		int	,
		int
	)

Referenced by CTF_SCALAPACK::cblacs_gridmap().

void Cblacs_pinfo	(	int *	,
		int *
	)

Referenced by CTF_SCALAPACK::cblacs_pinfo().

void fold_unfold	(	Tensor<> &	X,
		Tensor<> &	Y
	)

Definition at line 33 of file hosvd.cxx.

References CTF::Tensor< dtype >::read_local(), and CTF::Tensor< dtype >::write().

Tensor get_core_tensor	(	Tensor<> &	T,
		std::vector< Matrix<> >	factor_matrices,
		int	ranks[],
		World &	dw
	)

Definition at line 111 of file hosvd.cxx.

References CTF_int::tensor::lens, CTF_int::tensor::order, and ctf.core::transpose().

Tensor get_core_tensor_hooi	(	Tensor<> &	T,
		std::vector< Matrix<> >	factor_matrices,
		int	ranks[],
		World &	dw,
		int	j = -1
	)

Definition at line 159 of file hosvd.cxx.

References CTF_int::tensor::lens, CTF_int::tensor::order, and ctf.core::transpose().

Referenced by hooi().

std::vector< Matrix <> > get_factor_matrices	(	Tensor<> &	T,
		int	ranks[],
		World &	dw
	)

Definition at line 44 of file hosvd.cxx.

References CTF::fold_unfold(), CTF_int::tensor::lens, CTF_int::tensor::order, and CTF::Matrix< dtype >::svd().

void hooi	(	Tensor<> &	T,
		Tensor<> &	core,
		std::vector< Matrix<> >	factor_matrices,
		int *	ranks,
		World &	dw
	)

Definition at line 218 of file hosvd.cxx.

References get_core_tensor_hooi(), CTF::get_factor_matrices(), and CTF_int::tensor::order.

void hosvd	(	Tensor<> &	T,
		Tensor<> &	core,
		std::vector< Matrix<> >	factor_matrices,
		int *	ranks,
		World &	dw
	)

Definition at line 154 of file hosvd.cxx.

References CTF::get_core_tensor(), and CTF::get_factor_matrices().

int main	(	int	argc,
		char **	argv
	)

Definition at line 229 of file hosvd.cxx.

References Cblacs_get(), Cblacs_gridinit(), CTF::Tensor< dtype >::fill_random(), icontxt, ctf.core::np(), CTF::Tensor< dtype >::print(), CTF::Matrix< dtype >::print_matrix(), ctf.core::rank(), and CTF::Matrix< dtype >::svd().

Variable Documentation

int icontxt

Definition at line 7 of file hosvd.cxx.

Referenced by main().