dbcsr_iterator_operations

DBCSR iterator operations

Uses

Variables

Type	Visibility	Attributes		Name		Initial
character(len=*),	private,	parameter	::	moduleN	=	'dbcsr_iterator_operations'
integer,	private,	POINTER, SAVE	::	common_int_pointer
logical,	private,	parameter	::	careful_mod	=	.FALSE.
integer,	private,	parameter	::	rpslot_owner	=	1
integer,	private,	parameter	::	rpslot_addblks	=	2
integer,	private,	parameter	::	rpslot_addoffset	=	3
integer,	private,	parameter	::	rpslot_oldblks	=	4
integer,	private,	parameter	::	rpslot_oldoffset	=	5
integer,	private,	parameter	::	rpslot_totaloffset	=	6
integer,	private,	parameter	::	rpnslots	=	6
logical,	private,	parameter	::	detailed_timing	=	.FALSE.

Interfaces

public interface dbcsr_iterator_next_block

private subroutine iterator_next_block_index(iterator, row, column, blk, transposed, blk_p, row_size, col_size, row_offset, col_offset)

Gets the index information of the next block, no data.

Arguments

Type	Intent	Optional		Name
type(dbcsr_iterator),	intent(inout)		::	iterator	the iterator
integer,	intent(out)		::	row	row of the data block column of the data block block number
integer,	intent(out)		::	column	row of the data block column of the data block block number
integer,	intent(out)		::	blk	row of the data block column of the data block block number
logical,	intent(out),	optional	::	transposed	whether block is transposed
integer,	intent(out),	optional	::	blk_p	index into block data array logical row size of block logical column size of block logical row offset of block logical column offset of block
integer,	intent(out),	optional	::	row_size	index into block data array logical row size of block logical column size of block logical row offset of block logical column offset of block
integer,	intent(out),	optional	::	col_size	index into block data array logical row size of block logical column size of block logical row offset of block logical column offset of block
integer,	intent(out),	optional	::	row_offset	index into block data array logical row size of block logical column size of block logical row offset of block logical column offset of block
integer,	intent(out),	optional	::	col_offset	index into block data array logical row size of block logical column size of block logical row offset of block logical column offset of block

private subroutine iterator_next_area_block(iterator, row, column, block, transposed, block_number, row_size, col_size, row_offset, col_offset)

Gets the next data block encapsulated in an object.

Arguments

Type	Intent	Optional		Name
type(dbcsr_iterator),	intent(inout)		::	iterator	the iterator
integer,	intent(out)		::	row	row of the data block column of the data block
integer,	intent(out)		::	column	row of the data block column of the data block
type(dbcsr_data_obj),	intent(inout)		::	block	encapsulated data
logical,	intent(out)		::	transposed	whether the block data is transposed
integer,	intent(out),	optional	::	block_number	block number logical row size of block logical column size of block logical row offset of block logical column offset of block
integer,	intent(out),	optional	::	row_size	block number logical row size of block logical column size of block logical row offset of block logical column offset of block
integer,	intent(out),	optional	::	col_size	block number logical row size of block logical column size of block logical row offset of block logical column offset of block
integer,	intent(out),	optional	::	row_offset	block number logical row size of block logical column size of block logical row offset of block logical column offset of block
integer,	intent(out),	optional	::	col_offset	block number logical row size of block logical column size of block logical row offset of block logical column offset of block

private subroutine iterator_next_2d_block_d(iterator, row, column, block, transposed, block_number, row_size, col_size, row_offset, col_offset)

Gets the next data block, single/double precision real/complex

Arguments

Type	Intent	Optional	Attributes		Name
type(dbcsr_iterator),	intent(inout)			::	iterator	the iterator
integer,	intent(out)			::	row	row of the data block column of the data block
integer,	intent(out)			::	column	row of the data block column of the data block
real(kind=real_8),			DIMENSION(:, :), POINTER	::	block	pointer to the data block
logical,	intent(out)			::	transposed	whether the block data is transposed
integer,	intent(out),	optional		::	block_number	block number
integer,	intent(out),	optional		::	row_size	logical row size of block logical column size of block
integer,	intent(out),	optional		::	col_size	logical row size of block logical column size of block
integer,	intent(out),	optional		::	row_offset	logical row size of block logical column size of block
integer,	intent(out),	optional		::	col_offset	logical row size of block logical column size of block

private subroutine iterator_next_2d_block_s(iterator, row, column, block, transposed, block_number, row_size, col_size, row_offset, col_offset)

Gets the next data block, single/double precision real/complex

Arguments

Type	Intent	Optional	Attributes		Name
type(dbcsr_iterator),	intent(inout)			::	iterator	the iterator
integer,	intent(out)			::	row	row of the data block column of the data block
integer,	intent(out)			::	column	row of the data block column of the data block
real(kind=real_4),			DIMENSION(:, :), POINTER	::	block	pointer to the data block
logical,	intent(out)			::	transposed	whether the block data is transposed
integer,	intent(out),	optional		::	block_number	block number
integer,	intent(out),	optional		::	row_size	logical row size of block logical column size of block
integer,	intent(out),	optional		::	col_size	logical row size of block logical column size of block
integer,	intent(out),	optional		::	row_offset	logical row size of block logical column size of block
integer,	intent(out),	optional		::	col_offset	logical row size of block logical column size of block

private subroutine iterator_next_2d_block_c(iterator, row, column, block, transposed, block_number, row_size, col_size, row_offset, col_offset)

Gets the next data block, single/double precision real/complex

Arguments

Type	Intent	Optional	Attributes		Name
type(dbcsr_iterator),	intent(inout)			::	iterator	the iterator
integer,	intent(out)			::	row	row of the data block column of the data block
integer,	intent(out)			::	column	row of the data block column of the data block
complex(kind=real_4),			DIMENSION(:, :), POINTER	::	block	pointer to the data block
logical,	intent(out)			::	transposed	whether the block data is transposed
integer,	intent(out),	optional		::	block_number	block number
integer,	intent(out),	optional		::	row_size	logical row size of block logical column size of block
integer,	intent(out),	optional		::	col_size	logical row size of block logical column size of block
integer,	intent(out),	optional		::	row_offset	logical row size of block logical column size of block
integer,	intent(out),	optional		::	col_offset	logical row size of block logical column size of block

private subroutine iterator_next_2d_block_z(iterator, row, column, block, transposed, block_number, row_size, col_size, row_offset, col_offset)

Gets the next data block, single/double precision real/complex

Arguments

Type	Intent	Optional	Attributes		Name
type(dbcsr_iterator),	intent(inout)			::	iterator	the iterator
integer,	intent(out)			::	row	row of the data block column of the data block
integer,	intent(out)			::	column	row of the data block column of the data block
complex(kind=real_8),			DIMENSION(:, :), POINTER	::	block	pointer to the data block
logical,	intent(out)			::	transposed	whether the block data is transposed
integer,	intent(out),	optional		::	block_number	block number
integer,	intent(out),	optional		::	row_size	logical row size of block logical column size of block
integer,	intent(out),	optional		::	col_size	logical row size of block logical column size of block
integer,	intent(out),	optional		::	row_offset	logical row size of block logical column size of block
integer,	intent(out),	optional		::	col_offset	logical row size of block logical column size of block

private subroutine iterator_next_1d_block_d(iterator, row, column, block, transposed, block_number, row_size, col_size, row_offset, col_offset)

Gets the next data block, single/double precision real/complex

Arguments

Type	Intent	Optional	Attributes		Name
type(dbcsr_iterator),	intent(inout)			::	iterator	the iterator
integer,	intent(out)			::	row	row of the data block column of the data block
integer,	intent(out)			::	column	row of the data block column of the data block
real(kind=real_8),			DIMENSION(:), POINTER	::	block	pointer to the data block
logical,	intent(out)			::	transposed	whether the block data is transposed
integer,	intent(out),	optional		::	block_number	block number
integer,	intent(out),	optional		::	row_size	logical row size of block logical column size of block
integer,	intent(out),	optional		::	col_size	logical row size of block logical column size of block
integer,	intent(out),	optional		::	row_offset	logical row size of block logical column size of block
integer,	intent(out),	optional		::	col_offset	logical row size of block logical column size of block

private subroutine iterator_next_1d_block_s(iterator, row, column, block, transposed, block_number, row_size, col_size, row_offset, col_offset)

Gets the next data block, single/double precision real/complex

Arguments

Type	Intent	Optional	Attributes		Name
type(dbcsr_iterator),	intent(inout)			::	iterator	the iterator
integer,	intent(out)			::	row	row of the data block column of the data block
integer,	intent(out)			::	column	row of the data block column of the data block
real(kind=real_4),			DIMENSION(:), POINTER	::	block	pointer to the data block
logical,	intent(out)			::	transposed	whether the block data is transposed
integer,	intent(out),	optional		::	block_number	block number
integer,	intent(out),	optional		::	row_size	logical row size of block logical column size of block
integer,	intent(out),	optional		::	col_size	logical row size of block logical column size of block
integer,	intent(out),	optional		::	row_offset	logical row size of block logical column size of block
integer,	intent(out),	optional		::	col_offset	logical row size of block logical column size of block

private subroutine iterator_next_1d_block_c(iterator, row, column, block, transposed, block_number, row_size, col_size, row_offset, col_offset)

Gets the next data block, single/double precision real/complex

Arguments

Type	Intent	Optional	Attributes		Name
type(dbcsr_iterator),	intent(inout)			::	iterator	the iterator
integer,	intent(out)			::	row	row of the data block column of the data block
integer,	intent(out)			::	column	row of the data block column of the data block
complex(kind=real_4),			DIMENSION(:), POINTER	::	block	pointer to the data block
logical,	intent(out)			::	transposed	whether the block data is transposed
integer,	intent(out),	optional		::	block_number	block number
integer,	intent(out),	optional		::	row_size	logical row size of block logical column size of block
integer,	intent(out),	optional		::	col_size	logical row size of block logical column size of block
integer,	intent(out),	optional		::	row_offset	logical row size of block logical column size of block
integer,	intent(out),	optional		::	col_offset	logical row size of block logical column size of block

private subroutine iterator_next_1d_block_z(iterator, row, column, block, transposed, block_number, row_size, col_size, row_offset, col_offset)

Gets the next data block, single/double precision real/complex

Arguments

Type	Intent	Optional	Attributes		Name
type(dbcsr_iterator),	intent(inout)			::	iterator	the iterator
integer,	intent(out)			::	row	row of the data block column of the data block
integer,	intent(out)			::	column	row of the data block column of the data block
complex(kind=real_8),			DIMENSION(:), POINTER	::	block	pointer to the data block
logical,	intent(out)			::	transposed	whether the block data is transposed
integer,	intent(out),	optional		::	block_number	block number
integer,	intent(out),	optional		::	row_size	logical row size of block logical column size of block
integer,	intent(out),	optional		::	col_size	logical row size of block logical column size of block
integer,	intent(out),	optional		::	row_offset	logical row size of block logical column size of block
integer,	intent(out),	optional		::	col_offset	logical row size of block logical column size of block

Derived Types

type, private :: block_parameters

Components

Type	Visibility		Name
logical,	public	::	tr
integer,	public	::	logical_rows
integer,	public	::	logical_cols
integer,	public	::	offset
integer,	public	::	nze

type, private :: dgemm_join

Components

Type	Visibility		Name
integer,	public	::	p_a
integer,	public	::	p_b
integer,	public	::	p_c
integer,	public	::	last_k
integer,	public	::	last_n
type(dbcsr_scalar_type),	public	::	alpha
type(dbcsr_scalar_type),	public	::	beta

Functions

public pure function dbcsr_iterator_blocks_left(iterator) result(blocks_left)

Returns whether there any blocks left in the iterator.

Arguments

Type	Intent	Optional	Attributes		Name
type(dbcsr_iterator),	intent(in)			::	iterator	the iterator

Return Value logical

Subroutines

public subroutine dbcsr_iterator_start(iterator, matrix, shared, dynamic, dynamic_byrows, contiguous_pointers, read_only)

Sets up an iterator

Arguments

Type	Intent	Optional		Name
type(dbcsr_iterator),	intent(out)		::	iterator	the iterator
type(dbcsr_type),	intent(in)		::	matrix	DBCSR matrix
logical,	intent(in),	optional	::	shared	The matrix is shared between several iterators. Default is .TRUE. Threads are given blocks regardless of the thread distribution; default is .FALSE. Threads are given blocks regardless of the thread distribution, but still grouped by rows; default is .FALSE. Whether returned pointers need to be contiguous; default is FALSE. User promises not to change returned data; default is FALSE
logical,	intent(in),	optional	::	dynamic	The matrix is shared between several iterators. Default is .TRUE. Threads are given blocks regardless of the thread distribution; default is .FALSE. Threads are given blocks regardless of the thread distribution, but still grouped by rows; default is .FALSE. Whether returned pointers need to be contiguous; default is FALSE. User promises not to change returned data; default is FALSE
logical,	intent(in),	optional	::	dynamic_byrows	The matrix is shared between several iterators. Default is .TRUE. Threads are given blocks regardless of the thread distribution; default is .FALSE. Threads are given blocks regardless of the thread distribution, but still grouped by rows; default is .FALSE. Whether returned pointers need to be contiguous; default is FALSE. User promises not to change returned data; default is FALSE
logical,	intent(in),	optional	::	contiguous_pointers	The matrix is shared between several iterators. Default is .TRUE. Threads are given blocks regardless of the thread distribution; default is .FALSE. Threads are given blocks regardless of the thread distribution, but still grouped by rows; default is .FALSE. Whether returned pointers need to be contiguous; default is FALSE. User promises not to change returned data; default is FALSE
logical,	intent(in),	optional	::	read_only	The matrix is shared between several iterators. Default is .TRUE. Threads are given blocks regardless of the thread distribution; default is .FALSE. Threads are given blocks regardless of the thread distribution, but still grouped by rows; default is .FALSE. Whether returned pointers need to be contiguous; default is FALSE. User promises not to change returned data; default is FALSE

public subroutine dbcsr_iterator_stop(iterator)

Stops up an iterator

Arguments

Type	Intent	Optional	Attributes		Name
type(dbcsr_iterator),	intent(inout)			::	iterator	the iterator

private pure subroutine find_first_valid_block(pos, maxpos, blk_p)

Finds the first valid block, inclusive from the current position. If there is no valid block, pos is set to 0

Arguments

Type	Intent	Attributes		Name
integer,	intent(inout)		::	pos	input: current position; output: next valid position or 0
integer,	intent(in)		::	maxpos	maximal allowed position
integer,	intent(in),	DIMENSION(:)	::	blk_p	block pointers, used to check validity

private pure subroutine find_proper_row(pos, row, maxrows, row_p)

Finds the row to which the current block belongs If there is no valid block, pos is set to 0

Arguments

Type	Intent	Attributes		Name
integer,	intent(in)		::	pos	current position
integer,	intent(inout)		::	row	input: current row; output: the row corresponding to the position
integer,	intent(in)		::	maxrows	maxmimum row
integer,	intent(in),	DIMENSION(:)	::	row_p	row pointers

private pure subroutine find_proper_position(pos, row, maxpos, maxrows, blk_p, row_p, tdist, tid, local2global)

Finds the next proper position accounting for threads First time: pos and row are set to 0. If there is no valid block, pos is set to 0

Arguments

Type	Intent	Optional	Attributes		Name
integer,	intent(inout)			::	pos	current position and updated position input: current row; output: the row corresponding to the next proper position
integer,	intent(inout)			::	row	current position and updated position input: current row; output: the row corresponding to the next proper position
integer,	intent(in)			::	maxpos	maximum allowable position maxmimum row
integer,	intent(in)			::	maxrows	maximum allowable position maxmimum row
integer,	intent(in),		DIMENSION(:)	::	blk_p	block pointercs row pointers
integer,	intent(in),		DIMENSION(:)	::	row_p	block pointercs row pointers
integer,	intent(in),	optional,	DIMENSION(1:maxrows)	::	tdist	thread distribution
integer,	intent(in),	optional		::	tid	my thread number
integer,	intent(in),	optional,	DIMENSION(1:*)	::	local2global

private subroutine iterator_advance(iterator)

Advances to the next block

Arguments

Type	Intent	Optional	Attributes		Name
type(dbcsr_iterator),	intent(inout)			::	iterator	the iterator

private subroutine find_proper_position_caller(iterator, use_ithread)

Arguments

Type	Intent	Optional	Attributes		Name
type(dbcsr_iterator),	intent(inout)			::	iterator
integer,	intent(in),	optional		::	use_ithread

private pure subroutine update_row_info(iterator)

Updates the row info stored in the iterator

Arguments

Type	Intent	Optional	Attributes		Name
type(dbcsr_iterator),	intent(inout)			::	iterator	the iterator

private subroutine dbcsr_iterator_seek(iterator, row)

Places the iterator to the desired row.

Arguments

Type	Intent	Optional	Attributes		Name
type(dbcsr_iterator),	intent(inout)			::	iterator	the iterator
integer,	intent(in)			::	row	seek to this row

private subroutine iterator_next_block_index(iterator, row, column, blk, transposed, blk_p, row_size, col_size, row_offset, col_offset)

Gets the index information of the next block, no data.

Arguments

Type	Intent	Optional		Name
type(dbcsr_iterator),	intent(inout)		::	iterator	the iterator
integer,	intent(out)		::	row	row of the data block column of the data block block number
integer,	intent(out)		::	column	row of the data block column of the data block block number
integer,	intent(out)		::	blk	row of the data block column of the data block block number
logical,	intent(out),	optional	::	transposed	whether block is transposed
integer,	intent(out),	optional	::	blk_p	index into block data array logical row size of block logical column size of block logical row offset of block logical column offset of block
integer,	intent(out),	optional	::	row_size	index into block data array logical row size of block logical column size of block logical row offset of block logical column offset of block
integer,	intent(out),	optional	::	col_size	index into block data array logical row size of block logical column size of block logical row offset of block logical column offset of block
integer,	intent(out),	optional	::	row_offset	index into block data array logical row size of block logical column size of block logical row offset of block logical column offset of block
integer,	intent(out),	optional	::	col_offset	index into block data array logical row size of block logical column size of block logical row offset of block logical column offset of block

private subroutine iterator_next_area_block(iterator, row, column, block, transposed, block_number, row_size, col_size, row_offset, col_offset)

Gets the next data block encapsulated in an object.

Arguments

Type	Intent	Optional		Name
type(dbcsr_iterator),	intent(inout)		::	iterator	the iterator
integer,	intent(out)		::	row	row of the data block column of the data block
integer,	intent(out)		::	column	row of the data block column of the data block
type(dbcsr_data_obj),	intent(inout)		::	block	encapsulated data
logical,	intent(out)		::	transposed	whether the block data is transposed
integer,	intent(out),	optional	::	block_number	block number logical row size of block logical column size of block logical row offset of block logical column offset of block
integer,	intent(out),	optional	::	row_size	block number logical row size of block logical column size of block logical row offset of block logical column offset of block
integer,	intent(out),	optional	::	col_size	block number logical row size of block logical column size of block logical row offset of block logical column offset of block
integer,	intent(out),	optional	::	row_offset	block number logical row size of block logical column size of block logical row offset of block logical column offset of block
integer,	intent(out),	optional	::	col_offset	block number logical row size of block logical column size of block logical row offset of block logical column offset of block

private subroutine iterator_next_1d_block_d(iterator, row, column, block, transposed, block_number, row_size, col_size, row_offset, col_offset)

Gets the next data block, single/double precision real/complex

Arguments

Type	Intent	Optional	Attributes		Name
type(dbcsr_iterator),	intent(inout)			::	iterator	the iterator
integer,	intent(out)			::	row	row of the data block column of the data block
integer,	intent(out)			::	column	row of the data block column of the data block
real(kind=real_8),			DIMENSION(:), POINTER	::	block	pointer to the data block
logical,	intent(out)			::	transposed	whether the block data is transposed
integer,	intent(out),	optional		::	block_number	block number
integer,	intent(out),	optional		::	row_size	logical row size of block logical column size of block
integer,	intent(out),	optional		::	col_size	logical row size of block logical column size of block
integer,	intent(out),	optional		::	row_offset	logical row size of block logical column size of block
integer,	intent(out),	optional		::	col_offset	logical row size of block logical column size of block

private subroutine iterator_next_2d_block_d(iterator, row, column, block, transposed, block_number, row_size, col_size, row_offset, col_offset)

Gets the next data block, single/double precision real/complex

Arguments

Type	Intent	Optional	Attributes		Name
type(dbcsr_iterator),	intent(inout)			::	iterator	the iterator
integer,	intent(out)			::	row	row of the data block column of the data block
integer,	intent(out)			::	column	row of the data block column of the data block
real(kind=real_8),			DIMENSION(:, :), POINTER	::	block	pointer to the data block
logical,	intent(out)			::	transposed	whether the block data is transposed
integer,	intent(out),	optional		::	block_number	block number
integer,	intent(out),	optional		::	row_size	logical row size of block logical column size of block
integer,	intent(out),	optional		::	col_size	logical row size of block logical column size of block
integer,	intent(out),	optional		::	row_offset	logical row size of block logical column size of block
integer,	intent(out),	optional		::	col_offset	logical row size of block logical column size of block

private subroutine iterator_next_1d_block_s(iterator, row, column, block, transposed, block_number, row_size, col_size, row_offset, col_offset)

Gets the next data block, single/double precision real/complex

Arguments

Type	Intent	Optional	Attributes		Name
type(dbcsr_iterator),	intent(inout)			::	iterator	the iterator
integer,	intent(out)			::	row	row of the data block column of the data block
integer,	intent(out)			::	column	row of the data block column of the data block
real(kind=real_4),			DIMENSION(:), POINTER	::	block	pointer to the data block
logical,	intent(out)			::	transposed	whether the block data is transposed
integer,	intent(out),	optional		::	block_number	block number
integer,	intent(out),	optional		::	row_size	logical row size of block logical column size of block
integer,	intent(out),	optional		::	col_size	logical row size of block logical column size of block
integer,	intent(out),	optional		::	row_offset	logical row size of block logical column size of block
integer,	intent(out),	optional		::	col_offset	logical row size of block logical column size of block

private subroutine iterator_next_2d_block_s(iterator, row, column, block, transposed, block_number, row_size, col_size, row_offset, col_offset)

Gets the next data block, single/double precision real/complex

Arguments

Type	Intent	Optional	Attributes		Name
type(dbcsr_iterator),	intent(inout)			::	iterator	the iterator
integer,	intent(out)			::	row	row of the data block column of the data block
integer,	intent(out)			::	column	row of the data block column of the data block
real(kind=real_4),			DIMENSION(:, :), POINTER	::	block	pointer to the data block
logical,	intent(out)			::	transposed	whether the block data is transposed
integer,	intent(out),	optional		::	block_number	block number
integer,	intent(out),	optional		::	row_size	logical row size of block logical column size of block
integer,	intent(out),	optional		::	col_size	logical row size of block logical column size of block
integer,	intent(out),	optional		::	row_offset	logical row size of block logical column size of block
integer,	intent(out),	optional		::	col_offset	logical row size of block logical column size of block

private subroutine iterator_next_1d_block_z(iterator, row, column, block, transposed, block_number, row_size, col_size, row_offset, col_offset)

Gets the next data block, single/double precision real/complex

Arguments

Type	Intent	Optional	Attributes		Name
type(dbcsr_iterator),	intent(inout)			::	iterator	the iterator
integer,	intent(out)			::	row	row of the data block column of the data block
integer,	intent(out)			::	column	row of the data block column of the data block
complex(kind=real_8),			DIMENSION(:), POINTER	::	block	pointer to the data block
logical,	intent(out)			::	transposed	whether the block data is transposed
integer,	intent(out),	optional		::	block_number	block number
integer,	intent(out),	optional		::	row_size	logical row size of block logical column size of block
integer,	intent(out),	optional		::	col_size	logical row size of block logical column size of block
integer,	intent(out),	optional		::	row_offset	logical row size of block logical column size of block
integer,	intent(out),	optional		::	col_offset	logical row size of block logical column size of block

private subroutine iterator_next_2d_block_z(iterator, row, column, block, transposed, block_number, row_size, col_size, row_offset, col_offset)

Gets the next data block, single/double precision real/complex

Arguments

Type	Intent	Optional	Attributes		Name
type(dbcsr_iterator),	intent(inout)			::	iterator	the iterator
integer,	intent(out)			::	row	row of the data block column of the data block
integer,	intent(out)			::	column	row of the data block column of the data block
complex(kind=real_8),			DIMENSION(:, :), POINTER	::	block	pointer to the data block
logical,	intent(out)			::	transposed	whether the block data is transposed
integer,	intent(out),	optional		::	block_number	block number
integer,	intent(out),	optional		::	row_size	logical row size of block logical column size of block
integer,	intent(out),	optional		::	col_size	logical row size of block logical column size of block
integer,	intent(out),	optional		::	row_offset	logical row size of block logical column size of block
integer,	intent(out),	optional		::	col_offset	logical row size of block logical column size of block

private subroutine iterator_next_1d_block_c(iterator, row, column, block, transposed, block_number, row_size, col_size, row_offset, col_offset)

Gets the next data block, single/double precision real/complex

Arguments

Type	Intent	Optional	Attributes		Name
type(dbcsr_iterator),	intent(inout)			::	iterator	the iterator
integer,	intent(out)			::	row	row of the data block column of the data block
integer,	intent(out)			::	column	row of the data block column of the data block
complex(kind=real_4),			DIMENSION(:), POINTER	::	block	pointer to the data block
logical,	intent(out)			::	transposed	whether the block data is transposed
integer,	intent(out),	optional		::	block_number	block number
integer,	intent(out),	optional		::	row_size	logical row size of block logical column size of block
integer,	intent(out),	optional		::	col_size	logical row size of block logical column size of block
integer,	intent(out),	optional		::	row_offset	logical row size of block logical column size of block
integer,	intent(out),	optional		::	col_offset	logical row size of block logical column size of block

private subroutine iterator_next_2d_block_c(iterator, row, column, block, transposed, block_number, row_size, col_size, row_offset, col_offset)

Gets the next data block, single/double precision real/complex

Arguments

Type	Intent	Optional	Attributes		Name
type(dbcsr_iterator),	intent(inout)			::	iterator	the iterator
integer,	intent(out)			::	row	row of the data block column of the data block
integer,	intent(out)			::	column	row of the data block column of the data block
complex(kind=real_4),			DIMENSION(:, :), POINTER	::	block	pointer to the data block
logical,	intent(out)			::	transposed	whether the block data is transposed
integer,	intent(out),	optional		::	block_number	block number
integer,	intent(out),	optional		::	row_size	logical row size of block logical column size of block
integer,	intent(out),	optional		::	col_size	logical row size of block logical column size of block
integer,	intent(out),	optional		::	row_offset	logical row size of block logical column size of block
integer,	intent(out),	optional		::	col_offset	logical row size of block logical column size of block

dbcsr_iterator_operations Module

Contents

Variables

Interfaces

Derived Types

Functions

Subroutines

Uses

Variables

Interfaces

public interface dbcsr_iterator_next_block

private subroutine iterator_next_block_index(iterator, row, column, blk, transposed, blk_p, row_size, col_size, row_offset, col_offset)

Arguments

private subroutine iterator_next_area_block(iterator, row, column, block, transposed, block_number, row_size, col_size, row_offset, col_offset)

Arguments

private subroutine iterator_next_2d_block_d(iterator, row, column, block, transposed, block_number, row_size, col_size, row_offset, col_offset)

Arguments

private subroutine iterator_next_2d_block_s(iterator, row, column, block, transposed, block_number, row_size, col_size, row_offset, col_offset)

Arguments

private subroutine iterator_next_2d_block_c(iterator, row, column, block, transposed, block_number, row_size, col_size, row_offset, col_offset)

Arguments

private subroutine iterator_next_2d_block_z(iterator, row, column, block, transposed, block_number, row_size, col_size, row_offset, col_offset)

Arguments

private subroutine iterator_next_1d_block_d(iterator, row, column, block, transposed, block_number, row_size, col_size, row_offset, col_offset)

Arguments

private subroutine iterator_next_1d_block_s(iterator, row, column, block, transposed, block_number, row_size, col_size, row_offset, col_offset)

Arguments

private subroutine iterator_next_1d_block_c(iterator, row, column, block, transposed, block_number, row_size, col_size, row_offset, col_offset)

Arguments

private subroutine iterator_next_1d_block_z(iterator, row, column, block, transposed, block_number, row_size, col_size, row_offset, col_offset)

Arguments

Derived Types

type, private :: block_parameters

Components

type, private :: dgemm_join

Components

Functions

public pure function dbcsr_iterator_blocks_left(iterator) result(blocks_left)

Arguments

Return Value logical

Subroutines

public subroutine dbcsr_iterator_start(iterator, matrix, shared, dynamic, dynamic_byrows, contiguous_pointers, read_only)

Arguments

public subroutine dbcsr_iterator_stop(iterator)

Arguments

private pure subroutine find_first_valid_block(pos, maxpos, blk_p)

Arguments

private pure subroutine find_proper_row(pos, row, maxrows, row_p)

Arguments

private pure subroutine find_proper_position(pos, row, maxpos, maxrows, blk_p, row_p, tdist, tid, local2global)

Arguments

private subroutine iterator_advance(iterator)

Arguments

private subroutine find_proper_position_caller(iterator, use_ithread)

Arguments

private pure subroutine update_row_info(iterator)

Arguments

private subroutine dbcsr_iterator_seek(iterator, row)

Arguments

private subroutine iterator_next_block_index(iterator, row, column, blk, transposed, blk_p, row_size, col_size, row_offset, col_offset)

Arguments

private subroutine iterator_next_area_block(iterator, row, column, block, transposed, block_number, row_size, col_size, row_offset, col_offset)

Arguments

private subroutine iterator_next_1d_block_d(iterator, row, column, block, transposed, block_number, row_size, col_size, row_offset, col_offset)

Arguments

private subroutine iterator_next_2d_block_d(iterator, row, column, block, transposed, block_number, row_size, col_size, row_offset, col_offset)

Arguments

private subroutine iterator_next_1d_block_s(iterator, row, column, block, transposed, block_number, row_size, col_size, row_offset, col_offset)

Arguments

private subroutine iterator_next_2d_block_s(iterator, row, column, block, transposed, block_number, row_size, col_size, row_offset, col_offset)

Arguments

private subroutine iterator_next_1d_block_z(iterator, row, column, block, transposed, block_number, row_size, col_size, row_offset, col_offset)

Arguments

private subroutine iterator_next_2d_block_z(iterator, row, column, block, transposed, block_number, row_size, col_size, row_offset, col_offset)

Arguments

private subroutine iterator_next_1d_block_c(iterator, row, column, block, transposed, block_number, row_size, col_size, row_offset, col_offset)

Arguments

private subroutine iterator_next_2d_block_c(iterator, row, column, block, transposed, block_number, row_size, col_size, row_offset, col_offset)

Arguments