devtools/eigen
1
0
Fork 0
mirror of https://gitlab.com/libeigen/eigen.git synced 2026-04-10 11:34:33 +08:00
Code Issues Packages Projects Releases Wiki Activity

Add missing nonZeros() overload in Block<SparseMatrixBase<>>

Browse Source
This commit is contained in:
Gael Guennebaud
2013-11-10 15:26:07 +01:00
parent b93520b1a5
commit 5c2d1b4710
2 changed files with 20 additions and 7 deletions
Download Patch File Download Diff File Expand all files Collapse all files

22
Eigen/src/SparseCore/SparseBlock.h
View File

@@ -52,14 +52,24 @@ 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(); }
Index nonZeros() const
{
Index nnz = 0;
Index end = m_outerStart + m_outerSize.value();
for(int j=m_outerStart; j<end; ++j)
for(typename XprType::InnerIterator it(m_matrix, j); it; ++it)
++nnz;
return nnz;
}
protected:
@@ -115,11 +125,11 @@ public:
inline BlockImpl(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)
: 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)
@@ -307,13 +317,13 @@ 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(); }