sirius::la::linalg_base Class Reference

Base class for linear algebra interface. More...

#include <linalg_base.hpp>

Static Public Member Functions
static ftn_int	ilaenv (ftn_int ispec, std::string const &name, std::string const &opts, ftn_int n1, ftn_int n2, ftn_int n3, ftn_int n4)
static ftn_double	dlamch (char cmach)
static ftn_int	numroc (ftn_int n, ftn_int nb, ftn_int iproc, ftn_int isrcproc, ftn_int nprocs)
static int	create_blacs_handler (MPI_Comm comm)
	Create BLACS handler. More...
static void	free_blacs_handler (int blacs_handler)
	Free BLACS handler. More...
static void	gridmap (int *blacs_context, int *map, int ld, int nrow, int ncol)
	Create BLACS context for the grid of MPI ranks. More...
static void	gridexit (int blacs_context)
	Destroy BLACS context. More...
static void	gridinfo (int blacs_context, int *nrow, int *ncol, int *irow, int *icol)
static void	descinit (ftn_int *desc, ftn_int m, ftn_int n, ftn_int mb, ftn_int nb, ftn_int irsrc, ftn_int icsrc, ftn_int ictxt, ftn_int lld)
static int	pjlaenv (int32_t ictxt, int32_t ispec, const std::string &name, const std::string &opts, int32_t n1, int32_t n2, int32_t n3, int32_t n4)
static int32_t	indxl2g (int32_t indxloc, int32_t nb, int32_t iproc, int32_t isrcproc, int32_t nprocs)
static int32_t	iceil (int32_t inum, int32_t idenom)

Detailed Description

Base class for linear algebra interface.

Definition at line 230 of file linalg_base.hpp.

Member Function Documentation

ilaenv()

static ftn_int sirius::la::linalg_base::ilaenv ( ftn_int  ispec, std::string const &  name, std::string const &  opts, ftn_int  n1, ftn_int  n2, ftn_int  n3, ftn_int  n4  )

inlinestatic

Definition at line 233 of file linalg_base.hpp.

dlamch()

static ftn_double sirius::la::linalg_base::dlamch ( char  cmach )

inlinestatic

Definition at line 240 of file linalg_base.hpp.

numroc()

static ftn_int sirius::la::linalg_base::numroc ( ftn_int  n, ftn_int  nb, ftn_int  iproc, ftn_int  isrcproc, ftn_int  nprocs  )

inlinestatic

Definition at line 246 of file linalg_base.hpp.

create_blacs_handler()

static int sirius::la::linalg_base::create_blacs_handler ( MPI_Comm  comm )

inlinestatic

Create BLACS handler.

Definition at line 252 of file linalg_base.hpp.

free_blacs_handler()

static void sirius::la::linalg_base::free_blacs_handler ( int  blacs_handler )

inlinestatic

Free BLACS handler.

Definition at line 258 of file linalg_base.hpp.

gridmap()

static void sirius::la::linalg_base::gridmap ( int *  blacs_context, int *  map, int  ld, int  nrow, int  ncol  )

inlinestatic

Create BLACS context for the grid of MPI ranks.

Definition at line 264 of file linalg_base.hpp.

gridexit()

static void sirius::la::linalg_base::gridexit ( int  blacs_context )

inlinestatic

Destroy BLACS context.

Definition at line 270 of file linalg_base.hpp.

gridinfo()

static void sirius::la::linalg_base::gridinfo ( int  blacs_context, int *  nrow, int *  ncol, int *  irow, int *  icol  )

inlinestatic

Definition at line 275 of file linalg_base.hpp.

descinit()

static void sirius::la::linalg_base::descinit ( ftn_int *  desc, ftn_int  m, ftn_int  n, ftn_int  mb, ftn_int  nb, ftn_int  irsrc, ftn_int  icsrc, ftn_int  ictxt, ftn_int  lld  )

inlinestatic

Definition at line 280 of file linalg_base.hpp.

pjlaenv()

static int sirius::la::linalg_base::pjlaenv ( int32_t  ictxt, int32_t  ispec, const std::string &  name, const std::string &  opts, int32_t  n1, int32_t  n2, int32_t  n3, int32_t  n4  )

inlinestatic

Definition at line 295 of file linalg_base.hpp.

indxl2g()

static int32_t sirius::la::linalg_base::indxl2g ( int32_t  indxloc, int32_t  nb, int32_t  iproc, int32_t  isrcproc, int32_t  nprocs  )

inlinestatic

Definition at line 302 of file linalg_base.hpp.

iceil()

static int32_t sirius::la::linalg_base::iceil ( int32_t  inum, int32_t  idenom  )

inlinestatic

Definition at line 307 of file linalg_base.hpp.

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The documentation for this class was generated from the following file:

• linalg_base.hpp