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src
shogun
mathematics
linalg
internal
Block.h
Go to the documentation of this file.
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/*
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* Copyright (c) The Shogun Machine Learning Toolbox
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* Written (w) 2014 Soumyajit De
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* Written (w) 2014 Khaled Nasr
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
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* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* The views and conclusions contained in the software and documentation are those
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* of the authors and should not be interpreted as representing official policies,
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* either expressed or implied, of the Shogun Development Team.
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*/
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#ifndef BLOCK_H_
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#define BLOCK_H_
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#include <
shogun/lib/config.h
>
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namespace
shogun
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{
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namespace
linalg
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{
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template
<
class
Matrix>
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struct
Block
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{
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typedef
typename
Matrix::Scalar
Scalar
;
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Block<Matrix>
(Matrix matrix,
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index_t
row_begin,
index_t
col_begin,
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index_t
row_size,
index_t
col_size)
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:
m_matrix
(matrix),
m_row_begin
(row_begin),
m_col_begin
(col_begin),
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m_row_size
(row_size),
m_col_size
(col_size)
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{
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}
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Matrix
m_matrix
;
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index_t
m_row_begin
;
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index_t
m_col_begin
;
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index_t
m_row_size
;
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index_t
m_col_size
;
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};
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template
<
class
Matrix>
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Block<Matrix>
block
(Matrix matrix,
index_t
row_begin,
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index_t
col_begin,
index_t
row_size,
index_t
col_size)
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{
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return
Block<Matrix>
(matrix, row_begin, col_begin, row_size, col_size);
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}
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}
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}
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#endif // BLOCK_H_
shogun::linalg::Block::m_row_size
index_t m_row_size
Definition:
Block.h:85
shogun::linalg::Block::m_matrix
Matrix m_matrix
Definition:
Block.h:76
index_t
int32_t index_t
Definition:
common.h:62
config.h
shogun::linalg::Block
Generic class Block which wraps a matrix class and contains block specific information, providing a uniform way to deal with matrix blocks for all supported backend matrices.
Definition:
Block.h:49
shogun::linalg::Block::m_row_begin
index_t m_row_begin
Definition:
Block.h:79
shogun::linalg::Block::m_col_size
index_t m_col_size
Definition:
Block.h:88
shogun::linalg::Block::Scalar
Matrix::Scalar Scalar
Definition:
Block.h:52
shogun::linalg::Block::m_col_begin
index_t m_col_begin
Definition:
Block.h:82
shogun::linalg::block
Block< Matrix > block(Matrix matrix, index_t row_begin, index_t col_begin, index_t row_size, index_t col_size)
Definition:
Block.h:102
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