mptensor v0.4.0
Parallel Library for Tensor Network Methods
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Public Types | Public Member Functions | Static Public Attributes | List of all members
mptensor::scalapack::Matrix< C > Class Template Reference
Matrix class » ScaLAPACK

Distributed matrix using ScaLAPACK. More...

#include <matrix_scalapack.hpp>

Public Types

typedef C value_type
 
typedef MPI_Comm comm_type
 

Public Member Functions

 Matrix ()
 
 Matrix (const MPI_Comm &comm)
 
 Matrix (size_t n_row, size_t n_col)
 
 Matrix (const MPI_Comm &comm, size_t n_row, size_t n_col)
 
void init (size_t n_row, size_t n_col)
 
const MPI_Comm & get_comm () const
 
int get_comm_size () const
 
int get_comm_rank () const
 
void print_info (std::ostream &) const
 
const C & operator[] (size_t i) const
 
C & operator[] (size_t i)
 
const C * head () const
 
C * head ()
 
size_t local_size () const
 
void global_index (size_t i, size_t &g_row, size_t &g_col) const
 
bool local_index (size_t g_row, size_t g_col, size_t &i) const
 
void local_position (size_t g_row, size_t g_col, int &comm_rank, size_t &lindex) const
 
size_t local_row_size () const
 
size_t local_col_size () const
 
size_t local_row_index (size_t lindex) const
 
size_t local_col_index (size_t lindex) const
 
size_t global_row_index (size_t lindex_row) const
 
size_t global_col_index (size_t lindex_col) const
 
Matrix & operator+= (const Matrix &rhs)
 
Matrix & operator-= (const Matrix &rhs)
 
Matrix & operator*= (C rhs)
 
Matrix & operator/= (C rhs)
 
template<typename UnaryOperation >
Matrix & map (UnaryOperation op)
 
std::vector< C > flatten ()
 
void barrier () const
 
C allreduce_sum (C value) const
 
template<typename D >
void bcast (D *buffer, int count, int root) const
 
void prep_local_to_global () const
 Preprocess for fast conversion from local index to global one.
 
void prep_global_to_local () const
 Preprocess for fast conversion from global index to local one.
 
int n_row () const
 
int n_col () const
 
const int * descriptor () const
 
const Matrix transpose ()
 
void save_index (const std::string &filename) const
 

Static Public Attributes

static constexpr size_t matrix_type_tag = MATRIX_TYPE_TAG_SCALAPACK
 
static constexpr char * matrix_type_name = (char*)"ScaLAPACK"
 

Detailed Description

template<typename C>
class mptensor::scalapack::Matrix< C >

Distributed matrix using ScaLAPACK.

Member Typedef Documentation

◆ comm_type

template<typename C >
typedef MPI_Comm mptensor::scalapack::Matrix< C >::comm_type

◆ value_type

template<typename C >
typedef C mptensor::scalapack::Matrix< C >::value_type

Constructor & Destructor Documentation

◆ Matrix() [1/4]

template<typename C >
mptensor::scalapack::Matrix< C >::Matrix ( )

◆ Matrix() [2/4]

template<typename C >
mptensor::scalapack::Matrix< C >::Matrix ( const MPI_Comm &  comm)
explicit

◆ Matrix() [3/4]

template<typename C >
mptensor::scalapack::Matrix< C >::Matrix ( size_t  n_row,
size_t  n_col 
)

◆ Matrix() [4/4]

template<typename C >
mptensor::scalapack::Matrix< C >::Matrix ( const MPI_Comm &  comm,
size_t  n_row,
size_t  n_col 
)

Member Function Documentation

◆ allreduce_sum()

template<typename C >
C mptensor::scalapack::Matrix< C >::allreduce_sum ( C  value) const
inline

◆ barrier()

template<typename C >
void mptensor::scalapack::Matrix< C >::barrier ( ) const
inline

◆ bcast()

template<typename C >
template<typename D >
void mptensor::scalapack::Matrix< C >::bcast ( D *  buffer,
int  count,
int  root 
) const
inline

◆ descriptor()

template<typename C >
const int * mptensor::scalapack::Matrix< C >::descriptor ( ) const
inline

◆ flatten()

template<typename C >
std::vector< C > mptensor::scalapack::Matrix< C >::flatten ( )
inline

◆ get_comm()

template<typename C >
const MPI_Comm & mptensor::scalapack::Matrix< C >::get_comm ( ) const
inline

◆ get_comm_rank()

template<typename C >
int mptensor::scalapack::Matrix< C >::get_comm_rank ( ) const
inline

◆ get_comm_size()

template<typename C >
int mptensor::scalapack::Matrix< C >::get_comm_size ( ) const
inline

◆ global_col_index()

template<typename C >
size_t mptensor::scalapack::Matrix< C >::global_col_index ( size_t  lindex_col) const
inline

◆ global_index()

template<typename C >
void mptensor::scalapack::Matrix< C >::global_index ( size_t  i,
size_t &  g_row,
size_t &  g_col 
) const
inline

◆ global_row_index()

template<typename C >
size_t mptensor::scalapack::Matrix< C >::global_row_index ( size_t  lindex_row) const
inline

◆ head() [1/2]

template<typename C >
C * mptensor::scalapack::Matrix< C >::head ( )
inline

◆ head() [2/2]

template<typename C >
const C * mptensor::scalapack::Matrix< C >::head ( ) const
inline

◆ init()

template<typename C >
void mptensor::scalapack::Matrix< C >::init ( size_t  n_row,
size_t  n_col 
)

◆ local_col_index()

template<typename C >
size_t mptensor::scalapack::Matrix< C >::local_col_index ( size_t  lindex) const
inline

◆ local_col_size()

template<typename C >
size_t mptensor::scalapack::Matrix< C >::local_col_size ( ) const
inline

◆ local_index()

template<typename C >
bool mptensor::scalapack::Matrix< C >::local_index ( size_t  g_row,
size_t  g_col,
size_t &  i 
) const
inline

◆ local_position()

template<typename C >
void mptensor::scalapack::Matrix< C >::local_position ( size_t  g_row,
size_t  g_col,
int &  comm_rank,
size_t &  lindex 
) const
inline

◆ local_row_index()

template<typename C >
size_t mptensor::scalapack::Matrix< C >::local_row_index ( size_t  lindex) const
inline

◆ local_row_size()

template<typename C >
size_t mptensor::scalapack::Matrix< C >::local_row_size ( ) const
inline

◆ local_size()

template<typename C >
size_t mptensor::scalapack::Matrix< C >::local_size ( ) const
inline

◆ map()

template<typename C >
template<typename UnaryOperation >
Matrix & mptensor::scalapack::Matrix< C >::map ( UnaryOperation  op)

◆ n_col()

template<typename C >
int mptensor::scalapack::Matrix< C >::n_col ( ) const
inline

◆ n_row()

template<typename C >
int mptensor::scalapack::Matrix< C >::n_row ( ) const
inline

◆ operator*=()

template<typename C >
Matrix< C > & mptensor::scalapack::Matrix< C >::operator*= ( C  rhs)
inline

◆ operator+=()

template<typename C >
Matrix< C > & mptensor::scalapack::Matrix< C >::operator+= ( const Matrix< C > &  rhs)
inline

◆ operator-=()

template<typename C >
Matrix< C > & mptensor::scalapack::Matrix< C >::operator-= ( const Matrix< C > &  rhs)
inline

◆ operator/=()

template<typename C >
Matrix< C > & mptensor::scalapack::Matrix< C >::operator/= ( C  rhs)
inline

◆ operator[]() [1/2]

template<typename C >
C & mptensor::scalapack::Matrix< C >::operator[] ( size_t  i)
inline

◆ operator[]() [2/2]

template<typename C >
const C & mptensor::scalapack::Matrix< C >::operator[] ( size_t  i) const
inline

◆ prep_global_to_local()

template<typename C >
void mptensor::scalapack::Matrix< C >::prep_global_to_local ( ) const
inline

Preprocess for fast conversion from global index to local one.

◆ prep_local_to_global()

template<typename C >
void mptensor::scalapack::Matrix< C >::prep_local_to_global ( ) const
inline

Preprocess for fast conversion from local index to global one.

◆ print_info()

template<typename C >
void mptensor::scalapack::Matrix< C >::print_info ( std::ostream &  out) const
inline

◆ save_index()

template<typename C >
void mptensor::scalapack::Matrix< C >::save_index ( const std::string &  filename) const

◆ transpose()

template<typename C >
const Matrix< C > mptensor::scalapack::Matrix< C >::transpose ( )

Member Data Documentation

◆ matrix_type_name

template<typename C >
constexpr char* mptensor::scalapack::Matrix< C >::matrix_type_name = (char*)"ScaLAPACK"
staticconstexpr

◆ matrix_type_tag

template<typename C >
constexpr size_t mptensor::scalapack::Matrix< C >::matrix_type_tag = MATRIX_TYPE_TAG_SCALAPACK
staticconstexpr
The documentation for this class was generated from the following files: