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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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@@ -371,6 +371,12 @@ template<typename Derived> class SparseMatrixBase : public EigenBase<Derived>
template<typename OtherDerived>
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);