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Fix a bug in Supernodal Matrix Iterator

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Desire NUENTSA 2013-04-15 17:24:49 +02:00
parent db43205dc6
commit d4b0c19a46
1 changed files with 10 additions and 12 deletions
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22
Eigen/src/SparseLU/SparseLU_SupernodalMatrix.h
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@ -175,7 +175,7 @@ class MappedSuperNodalMatrix
};
/**
* \brief InnerIterator class to iterate over nonzero values of the current column in the supernode
* \brief InnerIterator class to iterate over nonzero values of the current column in the supernodal matrix L
*
*/
template<typename Scalar, typename Index>
@ -185,12 +185,11 @@ class MappedSuperNodalMatrix<Scalar,Index>::InnerIterator
InnerIterator(const MappedSuperNodalMatrix& mat, Index outer)
: m_matrix(mat),
m_outer(outer),
m_supno(mat.colToSup()[outer]),
m_idval(mat.colIndexPtr()[outer]),
m_startval(m_idval),
m_endval(mat.colIndexPtr()[outer+1]),
m_idrow(mat.rowIndexPtr()[outer]),
m_startidrow(m_idrow),
m_endidrow(mat.rowIndexPtr()[outer+1])
m_startidval(m_idval),
m_endidval(mat.colIndexPtr()[outer+1]),
m_idrow(mat.rowIndexPtr()[outer])
{}
inline InnerIterator& operator++()
{
@ -206,22 +205,21 @@ class MappedSuperNodalMatrix<Scalar,Index>::InnerIterator
inline Index row() const { return index(); }
inline Index col() const { return m_outer; }
inline Index supIndex() const { return m_matrix.colToSup()[m_outer]; }
inline Index supIndex() const { return m_supno; }
inline operator bool() const
{
return ( (m_idrow < m_endidrow) && (m_idrow > m_startidrow) );
return ( (m_idval < m_endidval) && (m_idval >= m_startidval) );
}
protected:
const MappedSuperNodalMatrix& m_matrix; // Supernodal lower triangular matrix
const Index m_outer; // Current column
const Index m_supno; // Current SuperNode number
Index m_idval; //Index to browse the values in the current column
const Index m_startval; // Start of the column value
const Index m_endval; // End of the column value
const Index m_startidval; // Start of the column value
const Index m_endidval; // End of the column value
Index m_idrow; //Index to browse the row indices
const Index m_startidrow; // Start of the row indices of the current column value
const Index m_endidrow; // End of the row indices of the current column value
};
/**