cp_fm_elpa Module Reference

Wrapper for ELPA. More...

Functions/Subroutines
subroutine, public	initialize_elpa_library (one_stage, qr, should_print)
	Initialize the ELPA library.
subroutine, public	finalize_elpa_library ()
	Finalize the ELPA library.
subroutine, public	set_elpa_kernel (requested_kernel)
	Sets the active ELPA kernel.
subroutine, public	cp_fm_diag_elpa (matrix, eigenvectors, eigenvalues)
	Driver routine to diagonalize a FM matrix with the ELPA library.

Variables
integer, dimension(1), parameter, public	elpa_kernel_ids = [-1]
character(len=14), dimension(1), parameter, public	elpa_kernel_names = ["AUTO"]
character(len=44), dimension(1), parameter, public	elpa_kernel_descriptions = ["Automatically selected kernel"]
logical, save, public	elpa_print = .FALSE.
logical, save, public	elpa_qr = .FALSE.
logical, save, public	elpa_one_stage = .FALSE.

Detailed Description

Wrapper for ELPA.

Author

Ole Schuett

Function/Subroutine Documentation

initialize_elpa_library()

subroutine, public cp_fm_elpa::initialize_elpa_library	(	logical, intent(in), optional	one_stage,
		logical, intent(in), optional	qr,
		logical, intent(in), optional	should_print
	)

Initialize the ELPA library.

Parameters

one_stage	...
qr	...
should_print	flag that determines if additional information is printed when the diagonalization routine is called.

Definition at line 191 of file cp_fm_elpa.F.

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finalize_elpa_library()

subroutine, public cp_fm_elpa::finalize_elpa_library

Finalize the ELPA library.

Definition at line 211 of file cp_fm_elpa.F.

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set_elpa_kernel()

subroutine, public cp_fm_elpa::set_elpa_kernel

(

integer, intent(in)

requested_kernel

)

Sets the active ELPA kernel.

Parameters

requested_kernel

one of the elpa_kernel_ids

Definition at line 223 of file cp_fm_elpa.F.

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cp_fm_diag_elpa()

subroutine, public cp_fm_elpa::cp_fm_diag_elpa	(	type(cp_fm_type), intent(in)	matrix,
		type(cp_fm_type), intent(in)	eigenvectors,
		real(kind=dp), dimension(:), intent(out)	eigenvalues
	)

Driver routine to diagonalize a FM matrix with the ELPA library.

Parameters

matrix	the matrix that is diagonalized
eigenvectors	eigenvectors of the input matrix
eigenvalues	eigenvalues of the input matrix

Definition at line 275 of file cp_fm_elpa.F.

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Variable Documentation

elpa_kernel_ids

integer, dimension(1), parameter, public cp_fm_elpa::elpa_kernel_ids = [-1]

Definition at line 151 of file cp_fm_elpa.F.

elpa_kernel_names

character(len=14), dimension(1), parameter, public cp_fm_elpa::elpa_kernel_names = ["AUTO"]

Definition at line 152 of file cp_fm_elpa.F.

elpa_kernel_descriptions

character(len=44), dimension(1), parameter, public cp_fm_elpa::elpa_kernel_descriptions = ["Automatically selected kernel"]

Definition at line 153 of file cp_fm_elpa.F.

elpa_print

logical, save, public cp_fm_elpa::elpa_print = .FALSE.

Definition at line 161 of file cp_fm_elpa.F.

elpa_qr

logical, save, public cp_fm_elpa::elpa_qr = .FALSE.

Definition at line 161 of file cp_fm_elpa.F.

elpa_one_stage

logical, save, public cp_fm_elpa::elpa_one_stage = .FALSE.

Definition at line 168 of file cp_fm_elpa.F.