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SparseMatrix::insert: switch to a fully uncompressed mode if sequential insertion is not possible (otherwise an arbitrary large amount of memory was preallocated in some cases)

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This commit is contained in:
Gael Guennebaud 2015-03-13 21:00:21 +01:00
parent 5ffe29cb9f
commit a9df28c95b
1 changed files with 6 additions and 2 deletions
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8
Eigen/src/SparseCore/SparseMatrix.h
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@ -1172,8 +1172,12 @@ typename SparseMatrix<_Scalar,_Options,_Index>::Scalar& SparseMatrix<_Scalar,_Op
return (m_data.value(p) = 0);
}
// make sure the matrix is compatible to random un-compressed insertion:
m_data.resize(m_data.allocatedSize());
if(m_data.size() != m_data.allocatedSize())
{
// make sure the matrix is compatible to random un-compressed insertion:
m_data.resize(m_data.allocatedSize());
this->reserveInnerVectors(Array<StorageIndex,Dynamic,1>::Constant(2*m_outerSize, convert_index(m_outerSize)));
}
return insertUncompressed(row,col);
}