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fix sparse rankUpdate and triangularView iterator

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This commit is contained in:
Gael Guennebaud
2010-10-27 15:13:03 +02:00
parent 241e5ee3e7
commit 02c8b6af82
3 changed files with 24 additions and 13 deletions
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10
Eigen/src/Sparse/SparseSelfAdjointView.h
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@@ -92,7 +92,7 @@ template<typename MatrixType, unsigned int UpLo> class SparseSelfAdjointView
* call this function with u.adjoint().
*/
template<typename DerivedU>
SparseSelfAdjointView& rankUpdate(const MatrixBase<DerivedU>& u, Scalar alpha = Scalar(1));
SparseSelfAdjointView& rankUpdate(const SparseMatrixBase<DerivedU>& u, Scalar alpha = Scalar(1));
// const SparseLLT<PlainObject, UpLo> llt() const;
// const SparseLDLT<PlainObject, UpLo> ldlt() const;
@@ -127,15 +127,15 @@ SparseSelfAdjointView<Derived, UpLo> SparseMatrixBase<Derived>::selfadjointView(
template<typename MatrixType, unsigned int UpLo>
template<typename DerivedU>
SparseSelfAdjointView<MatrixType,UpLo>&
SparseSelfAdjointView<MatrixType,UpLo>::rankUpdate(const MatrixBase<DerivedU>& u, Scalar alpha)
SparseSelfAdjointView<MatrixType,UpLo>::rankUpdate(const SparseMatrixBase<DerivedU>& u, Scalar alpha)
{
SparseMatrix<Scalar,MatrixType::Flags&RowMajorBit?RowMajor:ColMajor> tmp = u * u.adjoint();
if(alpha==Scalar(0))
m_matrix = tmp.template triangularView<UpLo>();
m_matrix.const_cast_derived() = tmp.template triangularView<UpLo>();
else
m_matrix += alpha * tmp.template triangularView<UpLo>();
m_matrix.const_cast_derived() /*+*/= alpha * tmp.template triangularView<UpLo>();
return this;
return *this;
}
/***************************************************************************