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Adding support for twistedby on SparseMatrixBase

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Desire NUENTSA 2012-02-08 18:22:48 +01:00
parent 3836402631
commit a1c7b5aa48
3 changed files with 9 additions and 4 deletions
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6
Eigen/src/SparseCore/SparseMatrixBase.h
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@ -372,6 +372,12 @@ template<typename Derived> class SparseMatrixBase : public EigenBase<Derived>
const typename SparseDenseProductReturnType<Derived,OtherDerived>::Type
operator*(const MatrixBase<OtherDerived> &other) const;
/** \returns an expression of P^-1 H P */
SparseSymmetricPermutationProduct<Derived,Upper|Lower> twistedBy(const PermutationMatrix<Dynamic,Dynamic,Index>& perm) const
{
return SparseSymmetricPermutationProduct<Derived,Upper|Lower>(derived(), perm);
}
template<typename OtherDerived>
Derived& operator*=(const SparseMatrixBase<OtherDerived>& other);

6
Eigen/src/SparseCore/SparseSelfAdjointView.h
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@ -45,9 +45,6 @@ class SparseSelfAdjointTimeDenseProduct;
template<typename Lhs, typename Rhs, int UpLo>
class DenseTimeSparseSelfAdjointProduct;
template<typename MatrixType,int UpLo>
class SparseSymmetricPermutationProduct;
namespace internal {
template<typename MatrixType, unsigned int UpLo>
@ -437,7 +434,8 @@ class SparseSymmetricPermutationProduct
inline Index rows() const { return m_matrix.rows(); }
inline Index cols() const { return m_matrix.cols(); }
template<typename DestScalar> void evalTo(SparseMatrix<DestScalar>& _dest) const
template<typename DestScalar, int Options, typename DstIndex>
void evalTo(SparseMatrix<DestScalar,Options,DstIndex>& _dest) const
{
internal::permute_symm_to_fullsymm<UpLo>(m_matrix,_dest,m_perm.indices().data());
}

1
Eigen/src/SparseCore/SparseUtil.h
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@ -100,6 +100,7 @@ template<typename Lhs, typename Rhs, bool Transpose> class SparseDenseOuterProdu
template<typename Lhs, typename Rhs> struct SparseSparseProductReturnType;
template<typename Lhs, typename Rhs, int InnerSize = internal::traits<Lhs>::ColsAtCompileTime> struct DenseSparseProductReturnType;
template<typename Lhs, typename Rhs, int InnerSize = internal::traits<Lhs>::ColsAtCompileTime> struct SparseDenseProductReturnType;
template<typename MatrixType,int UpLo> class SparseSymmetricPermutationProduct;
namespace internal {