tblite_lapack_solver Module Reference

LAPACK based eigenvalue solvers. More...

Data Types
type	lapack_solver
	Generator for LAPACK based electronic solvers. More...

Functions/Subroutines
logical function	distributed_columns (self, n, comm)
	Whether to use local columns with the distributed ScaLAPACK solver.

Variables
type(enum_lapack), parameter, public	lapack_algorithm = enum_lapack()
	Actual enumerator of possible solvers.

Detailed Description

LAPACK based eigenvalue solvers.

Function/Subroutine Documentation

distributed_columns()

logical function tblite_lapack_solver::distributed_columns	(	class(lapack_solver), intent(in)	self,
		integer, intent(in)	n,
		integer, intent(in), optional	comm )

Whether to use local columns with the distributed ScaLAPACK solver.

Parameters

[in]	self	Instance of the solver factory
[in]	n	Global dimension of the eigenvalue problem
[in]	comm	Communicator to distribute over; absent keeps full matrix storage