tensor index and mapping to DBM index More...

Data Types
type	nd_to_2d_mapping

Functions/Subroutines
subroutine, public	create_nd_to_2d_mapping (map, dims, map1_2d, map2_2d, base, col_major)
	Create all data needed to quickly map between nd index and 2d index.

subroutine, public	destroy_nd_to_2d_mapping (map)

pure integer function, public	ndims_mapping (map)

pure integer function, public	ndims_mapping_row (map)
	how many tensor dimensions are mapped to matrix row

pure integer function, public	ndims_mapping_column (map)
	how many tensor dimensions are mapped to matrix column

pure subroutine, public	dbt_get_mapping_info (map, ndim_nd, ndim1_2d, ndim2_2d, dims_2d_i8, dims_2d, dims_nd, dims1_2d, dims2_2d, map1_2d, map2_2d, map_nd, base, col_major)
	get mapping info

pure integer(kind=int_8) function, public	combine_tensor_index (ind_in, dims)
	transform nd index to flat index

pure integer function, public	combine_pgrid_index (ind_in, dims)
	transform nd index to flat index

pure integer function, dimension(size(dims)), public	split_tensor_index (ind_in, dims)
	transform flat index to nd index

pure integer function, dimension(size(dims)), public	split_pgrid_index (ind_in, dims)
	transform flat index to nd index

pure integer(kind=int_8) function, dimension(2), public	get_2d_indices_tensor (map, ind_in)
	transform nd index to 2d index, using info from index mapping.

pure integer function, dimension(2), public	get_2d_indices_pgrid (map, ind_in)
	transform nd index to 2d index, using info from index mapping.

pure integer function, dimension(map%ndim_nd), public	get_nd_indices_tensor (map, ind_in)
	transform 2d index to nd index, using info from index mapping.

pure integer function, dimension(map%ndim_nd), public	get_nd_indices_pgrid (map, ind_in)
	transform 2d index to nd index, using info from index mapping.

pure integer function, dimension(size(order)), public	dbt_inverse_order (order)
	Invert order.

subroutine, public	permute_index (map_in, map_out, order)
	reorder tensor index (no data)

Detailed Description

tensor index and mapping to DBM index

Author: Patrick Seewald

Function/Subroutine Documentation

◆ create_nd_to_2d_mapping()

subroutine, public dbt_index::create_nd_to_2d_mapping	(	type(nd_to_2d_mapping), intent(out)	map,
		integer, dimension(:), intent(in)	dims,
		integer, dimension(:), intent(in)	map1_2d,
		integer, dimension(:), intent(in)	map2_2d,
		integer, intent(in), optional	base,
		logical, intent(in), optional	col_major
	)

Create all data needed to quickly map between nd index and 2d index.

Parameters

map	index mapping data
dims	nd sizes
map1_2d	which nd-indices map to first matrix index and in which order
map2_2d	which nd-indices map to second matrix index and in which order
base	base index (1 for Fortran-style, 0 for C-style, default is 1)
col_major	whether index should be column major order (.TRUE. for Fortran-style, .FALSE. for C-style, default is .TRUE.).

Author: Patrick Seewald

Definition at line 72 of file dbt_index.F.

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◆ destroy_nd_to_2d_mapping()

subroutine, public dbt_index::destroy_nd_to_2d_mapping ( type(nd_to_2d_mapping), intent(inout) map )

Author: Patrick Seewald

Definition at line 114 of file dbt_index.F.

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◆ ndims_mapping()

pure integer function, public dbt_index::ndims_mapping ( type(nd_to_2d_mapping), intent(in) map )

Author: Patrick Seewald

Definition at line 129 of file dbt_index.F.

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◆ ndims_mapping_row()

pure integer function, public dbt_index::ndims_mapping_row ( type(nd_to_2d_mapping), intent(in) map )

how many tensor dimensions are mapped to matrix row

Author: Patrick Seewald

Definition at line 140 of file dbt_index.F.

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◆ ndims_mapping_column()

pure integer function, public dbt_index::ndims_mapping_column ( type(nd_to_2d_mapping), intent(in) map )

how many tensor dimensions are mapped to matrix column

Author: Patrick Seewald

Definition at line 150 of file dbt_index.F.

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◆ dbt_get_mapping_info()

pure subroutine, public dbt_index::dbt_get_mapping_info	(	type(nd_to_2d_mapping), intent(in)	map,
		integer, intent(out), optional	ndim_nd,
		integer, intent(out), optional	ndim1_2d,
		integer, intent(out), optional	ndim2_2d,
		integer(kind=int_8), dimension(2), intent(out), optional	dims_2d_i8,
		integer, dimension(2), intent(out), optional	dims_2d,
		integer, dimension(ndims_mapping(map)), intent(out), optional	dims_nd,
		integer, dimension(ndims_mapping_row(map)), intent(out), optional	dims1_2d,
		integer, dimension(ndims_mapping_column(map)), intent(out), optional	dims2_2d,
		integer, dimension(ndims_mapping_row(map)), intent(out), optional	map1_2d,
		integer, dimension(ndims_mapping_column(map)), intent(out), optional	map2_2d,
		integer, dimension(ndims_mapping(map)), intent(out), optional	map_nd,
		integer, intent(out), optional	base,
		logical, intent(out), optional	col_major
	)

get mapping info

Parameters

map	index mapping data
ndim_nd	number of dimensions
ndim1_2d	number of dimensions that map to first 2d index
ndim2_2d	number of dimensions that map to first 2d index
dims_2d	2d dimensions
dims_nd	nd dimensions
dims1_2d	dimensions that map to first 2d index
dims2_2d	dimensions that map to second 2d index
map1_2d	indices that map to first 2d index
map2_2d	indices that map to second 2d index
map_nd	inverse of [map1_2d, map2_2d]
base	base index
col_major	is index in column major order

Author: Patrick Seewald

Definition at line 173 of file dbt_index.F.

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◆ combine_tensor_index()

pure integer(kind=int_8) function, public dbt_index::combine_tensor_index	(	integer, dimension(:), intent(in)	ind_in,
		integer, dimension(:), intent(in)	dims
	)

transform nd index to flat index

Parameters

ind_in	nd index
dims	nd dimensions
ind_out	flat index

Author: Patrick Seewald

Definition at line 234 of file dbt_index.F.

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◆ combine_pgrid_index()

pure integer function, public dbt_index::combine_pgrid_index	(	integer, dimension(:), intent(in)	ind_in,
		integer, dimension(:), intent(in)	dims
	)

transform nd index to flat index

Parameters

ind_in	nd index
dims	nd dimensions
ind_out	flat index

Author: Patrick Seewald

Definition at line 253 of file dbt_index.F.

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◆ split_tensor_index()

pure integer function, dimension(size(dims)), public dbt_index::split_tensor_index	(	integer(kind=int_8), intent(in)	ind_in,
		integer, dimension(:), intent(in)	dims
	)

transform flat index to nd index

Parameters

ind_in	flat index
dims	nd dimensions
ind_out	nd index

Author: Patrick Seewald

Definition at line 272 of file dbt_index.F.

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◆ split_pgrid_index()

pure integer function, dimension(size(dims)), public dbt_index::split_pgrid_index	(	integer, intent(in)	ind_in,
		integer, dimension(:), intent(in)	dims
	)

transform flat index to nd index

Parameters

ind_in	flat index
dims	nd dimensions
ind_out	nd index

Author: Patrick Seewald

Definition at line 295 of file dbt_index.F.

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◆ get_2d_indices_tensor()

pure integer(kind=int_8) function, dimension(2), public dbt_index::get_2d_indices_tensor	(	type(nd_to_2d_mapping), intent(in)	map,
		integer, dimension(map%ndim_nd), intent(in)	ind_in
	)

transform nd index to 2d index, using info from index mapping.

Parameters

map	index mapping
ind_in	nd index
ind_out	2d index

Author: Patrick Seewald

Definition at line 317 of file dbt_index.F.

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◆ get_2d_indices_pgrid()

pure integer function, dimension(2), public dbt_index::get_2d_indices_pgrid	(	type(nd_to_2d_mapping), intent(in)	map,
		integer, dimension(map%ndim_nd), intent(in)	ind_in
	)

transform nd index to 2d index, using info from index mapping.

Parameters

map	index mapping
ind_in	nd index
ind_out	2d index

Author: Patrick Seewald

Definition at line 342 of file dbt_index.F.

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◆ get_nd_indices_tensor()

pure integer function, dimension(map%ndim_nd), public dbt_index::get_nd_indices_tensor	(	type(nd_to_2d_mapping), intent(in)	map,
		integer(kind=int_8), dimension(2), intent(in)	ind_in
	)

transform 2d index to nd index, using info from index mapping.

Parameters

map	index mapping
ind_in	2d index
ind_out	nd index

Author: Patrick Seewald

Definition at line 367 of file dbt_index.F.

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◆ get_nd_indices_pgrid()

pure integer function, dimension(map%ndim_nd), public dbt_index::get_nd_indices_pgrid	(	type(nd_to_2d_mapping), intent(in)	map,
		integer, dimension(2), intent(in)	ind_in
	)

transform 2d index to nd index, using info from index mapping.

Parameters

map	index mapping
ind_in	2d index
ind_out	nd index

Author: Patrick Seewald

Definition at line 395 of file dbt_index.F.

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◆ dbt_inverse_order()

pure integer function, dimension(size(order)), public dbt_index::dbt_inverse_order ( integer, dimension(:), intent(in) order )

Invert order.

Author: Patrick Seewald

Definition at line 409 of file dbt_index.F.

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◆ permute_index()

subroutine, public dbt_index::permute_index	(	type(nd_to_2d_mapping), intent(in)	map_in,
		type(nd_to_2d_mapping), intent(out)	map_out,
		integer, dimension(ndims_mapping(map_in)), intent(in)	order
	)

reorder tensor index (no data)

Author: Patrick Seewald

Definition at line 422 of file dbt_index.F.

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Data Types

Functions/Subroutines

Detailed Description

Function/Subroutine Documentation

◆ create_nd_to_2d_mapping()

◆ destroy_nd_to_2d_mapping()

◆ ndims_mapping()

◆ ndims_mapping_row()

◆ ndims_mapping_column()

◆ dbt_get_mapping_info()

◆ combine_tensor_index()

◆ combine_pgrid_index()

◆ split_tensor_index()

◆ split_pgrid_index()

◆ get_2d_indices_tensor()

◆ get_2d_indices_pgrid()

◆ get_nd_indices_tensor()

◆ get_nd_indices_pgrid()

◆ dbt_inverse_order()

◆ permute_index()