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Use the specialization of Block<SparseMatrix> for const matrices too

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This commit is contained in:
Gael Guennebaud 2013-11-10 16:16:50 +01:00
parent 5c2d1b4710
commit 8f2d068e84
1 changed files with 52 additions and 13 deletions
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65
Eigen/src/SparseCore/SparseBlock.h
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@ -52,11 +52,11 @@ public:
inline BlockImpl(const XprType& xpr, int i)
: m_matrix(xpr), m_outerStart(i), m_outerSize(OuterSize)
{std::cout << __LINE__ << "\n";}
{}
inline BlockImpl(const XprType& xpr, int startRow, int startCol, int blockRows, int blockCols)
: m_matrix(xpr), m_outerStart(IsRowMajor ? startRow : startCol), m_outerSize(IsRowMajor ? blockRows : blockCols)
{std::cout << __LINE__ << "\n";}
{}
EIGEN_STRONG_INLINE Index rows() const { return IsRowMajor ? m_outerSize.value() : m_matrix.rows(); }
EIGEN_STRONG_INLINE Index cols() const { return IsRowMajor ? m_matrix.cols() : m_outerSize.value(); }
@ -86,11 +86,12 @@ public:
* specialization for SparseMatrix
***************************************************************************/
template<typename _Scalar, int _Options, typename _Index, int BlockRows, int BlockCols>
class BlockImpl<SparseMatrix<_Scalar, _Options, _Index>,BlockRows,BlockCols,true,Sparse>
: public SparseMatrixBase<Block<SparseMatrix<_Scalar, _Options, _Index>,BlockRows,BlockCols,true> >
namespace internal {
template<typename SparseMatrixType, int BlockRows, int BlockCols>
class sparse_matrix_block_impl
: public SparseMatrixBase<Block<SparseMatrixType,BlockRows,BlockCols,true> >
{
typedef SparseMatrix<_Scalar, _Options, _Index> SparseMatrixType;
typedef typename internal::remove_all<typename SparseMatrixType::Nested>::type _MatrixTypeNested;
typedef Block<SparseMatrixType, BlockRows, BlockCols, true> BlockType;
public:
@ -123,13 +124,13 @@ public:
Index m_outer;
};
inline BlockImpl(const SparseMatrixType& xpr, int i)
inline sparse_matrix_block_impl(const SparseMatrixType& xpr, int i)
: m_matrix(xpr), m_outerStart(i), m_outerSize(OuterSize)
{std::cout << __LINE__ << "\n";}
{}
inline BlockImpl(const SparseMatrixType& xpr, int startRow, int startCol, int blockRows, int blockCols)
inline sparse_matrix_block_impl(const SparseMatrixType& xpr, int startRow, int startCol, int blockRows, int blockCols)
: m_matrix(xpr), m_outerStart(IsRowMajor ? startRow : startCol), m_outerSize(IsRowMajor ? blockRows : blockCols)
{std::cout << __LINE__ << "\n";}
{}
template<typename OtherDerived>
inline BlockType& operator=(const SparseMatrixBase<OtherDerived>& other)
@ -237,7 +238,7 @@ public:
const Scalar& lastCoeff() const
{
EIGEN_STATIC_ASSERT_VECTOR_ONLY(BlockImpl);
EIGEN_STATIC_ASSERT_VECTOR_ONLY(sparse_matrix_block_impl);
eigen_assert(nonZeros()>0);
if(m_matrix.isCompressed())
return m_matrix.valuePtr()[m_matrix.outerIndexPtr()[m_outerStart+1]-1];
@ -256,6 +257,44 @@ public:
};
} // namespace internal
template<typename _Scalar, int _Options, typename _Index, int BlockRows, int BlockCols>
class BlockImpl<SparseMatrix<_Scalar, _Options, _Index>,BlockRows,BlockCols,true,Sparse>
: public internal::sparse_matrix_block_impl<SparseMatrix<_Scalar, _Options, _Index>,BlockRows,BlockCols>
{
public:
typedef SparseMatrix<_Scalar, _Options, _Index> SparseMatrixType;
typedef internal::sparse_matrix_block_impl<SparseMatrixType,BlockRows,BlockCols> Base;
inline BlockImpl(SparseMatrixType& xpr, int i)
: Base(xpr, i)
{}
inline BlockImpl(SparseMatrixType& xpr, int startRow, int startCol, int blockRows, int blockCols)
: Base(xpr, startRow, startCol, blockRows, blockCols)
{}
using Base::operator=;
};
template<typename _Scalar, int _Options, typename _Index, int BlockRows, int BlockCols>
class BlockImpl<const SparseMatrix<_Scalar, _Options, _Index>,BlockRows,BlockCols,true,Sparse>
: public internal::sparse_matrix_block_impl<const SparseMatrix<_Scalar, _Options, _Index>,BlockRows,BlockCols>
{
public:
typedef const SparseMatrix<_Scalar, _Options, _Index> SparseMatrixType;
typedef internal::sparse_matrix_block_impl<SparseMatrixType,BlockRows,BlockCols> Base;
inline BlockImpl(SparseMatrixType& xpr, int i)
: Base(xpr, i)
{}
inline BlockImpl(SparseMatrixType& xpr, int startRow, int startCol, int blockRows, int blockCols)
: Base(xpr, startRow, startCol, blockRows, blockCols)
{}
using Base::operator=;
};
//----------
/** \returns the \a outer -th column (resp. row) of the matrix \c *this if \c *this
@ -317,13 +356,13 @@ public:
m_startCol( (BlockRows==XprType::RowsAtCompileTime) && (BlockCols==1) ? i : 0),
m_blockRows(xpr.rows()),
m_blockCols(xpr.cols())
{std::cout << __LINE__ << "\n";}
{}
/** Dynamic-size constructor
*/
inline BlockImpl(const XprType& xpr, int startRow, int startCol, int blockRows, int blockCols)
: m_matrix(xpr), m_startRow(startRow), m_startCol(startCol), m_blockRows(blockRows), m_blockCols(blockCols)
{std::cout << __LINE__ << "\n";}
{}
inline int rows() const { return m_blockRows.value(); }
inline int cols() const { return m_blockCols.value(); }