matrix_scalapack_impl.hpp File Reference

Implementation of scalapack::Matrix class. More...

#include <algorithm>
#include <cassert>
#include <cfloat>
#include <complex>
#include <iostream>
#include <fstream>
#include <vector>
#include <string>
#include <mpi.h>
#include "mptensor/complex.hpp"
#include "mptensor/mpi/mpi_wrapper.hpp"
#include "blacsgrid.hpp"

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Namespaces
namespace	mptensor
namespace	mptensor::scalapack
	Namespace for the distributed Matrix class with ScaLAPACK, PBLAS, and BLACS.

Functions
int	numroc_ (int *M, int *MB, int *prow, int *irsrc, int *nprow)
void	descinit_ (int desca[], int *M, int *N, int *MB, int *NB, int *irsrc, int *icsrc, int *ictxt, int *lld, int *info)
Matrix operations
template<typename C >
void	mptensor::scalapack::replace_matrix_data (const Matrix< C > &M, const std::vector< int > &dest_rank, const std::vector< size_t > &local_position, Matrix< C > &M_new)
template<typename C >
void	mptensor::scalapack::replace_matrix_data (const std::vector< C > &V, const std::vector< int > &dest_rank, const std::vector< size_t > &local_position, Matrix< C > &M_new)
template<typename C >
void	mptensor::scalapack::sum_matrix_data (const Matrix< C > &M, const std::vector< int > &dest_rank, const std::vector< size_t > &local_position, Matrix< C > &M_new)
template<typename C >
double	mptensor::scalapack::max_abs (const Matrix< C > &a)
template<typename C >
double	mptensor::scalapack::min_abs (const Matrix< C > &a)
template<typename C >
C	mptensor::scalapack::matrix_trace (const Matrix< C > &a)

Detailed Description

Implementation of scalapack::Matrix class.

Author

Satoshi Morita morit.nosp@m.a@is.nosp@m.sp.u-.nosp@m.toky.nosp@m.o.ac..nosp@m.jp

Date

Jan 29 2015

Function Documentation

descinit_()

void descinit_	(	int	desca[],
		int *	M,
		int *	N,
		int *	MB,
		int *	NB,
		int *	irsrc,
		int *	icsrc,
		int *	ictxt,
		int *	lld,
		int *	info
	)

numroc_()

int numroc_	(	int *	M,
		int *	MB,
		int *	prow,
		int *	irsrc,
		int *	nprow
	)