So-Bogus
A c++ sparse block matrix library aimed at Second Order cone problems
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Base class for anything block. More...
#include <BlockObjectBase.hpp>
Public Types | |
enum | { is_transposed = Traits::is_transposed } |
enum | { RowsAtCompileTime = internal::DYNAMIC, ColsAtCompileTime = internal::DYNAMIC, is_self_transpose = Traits::is_symmetric } |
typedef BlockMatrixTraits < Derived > | Traits |
typedef Traits::Index | Index |
typedef Traits::Scalar | Scalar |
typedef Traits::ConstTransposeReturnType | ConstTransposeReturnType |
typedef Traits::TransposeObjectType | TransposeObjectType |
typedef Traits::PlainObjectType | PlainObjectType |
Public Member Functions | |
const Derived & | derived () const |
Returns a const reference to the implementation. | |
Derived & | derived () |
Returns a reference to the implementation. | |
Index | rows () const |
Returns the total number of rows of the matrix ( expanding blocks ) | |
Index | cols () const |
Returns the total number of columns of the matrix ( expanding blocks ) | |
Index | blockRows (Index row) const |
Returns the number of rows of a given block row. | |
Index | blockCols (Index col) const |
Returns the number of columns of a given block columns. | |
Index | rowsOfBlocks () const |
Returns the number of block rows of the matrix. | |
Index | colsOfBlocks () const |
Returns the number of block columns of the matrix. | |
const Index * | rowOffsets () const |
Returns an array containing the first index of each row. | |
const Index * | colOffsets () const |
Returns an array containing the first index of each column. | |
Index | rowOffset (Index row) const |
Returns an array containing the first index of a given row. | |
Index | colOffset (Index col) const |
Returns an array containing the first index of a given columns. | |
ConstTransposeReturnType | transpose () const |
Return a const transposed view of this object. | |
template<bool DoTranspose, typename RhsT , typename ResT > | |
void | multiply (const RhsT &rhs, ResT &res, Scalar alpha=1, Scalar beta=0) const |
Performs a matrix vector multiplication. More... | |
Base class for anything block.
void bogus::BlockObjectBase< Derived >::multiply | ( | const RhsT & | rhs, |
ResT & | res, | ||
Scalar | alpha = 1 , |
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Scalar | beta = 0 |
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) | const |
Performs a matrix vector multiplication.
DoTranspose | If true, performs res = alpha * M' * rhs + beta * res, otherwise res = alpha * M * rhs + beta * res |