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Fix return by value versus ref typo in IncompleteCholesky

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Gael Guennebaud
2015-10-07 16:37:46 +02:00
parent 13294b5152
commit 131db3c552
1 changed files with 1 additions and 1 deletions
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unsupported/Eigen/src/IterativeSolvers/IncompleteCholesky.h
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@@ -125,7 +125,7 @@ class IncompleteCholesky : public SparseSolverBase<IncompleteCholesky<Scalar,_Up
const VectorRx& scalingS() const { return m_scale; }
/** \returns the fill-in reducing permutation P (can be empty for a natural ordering) */
const PermutationType permutationP() const { return m_perm; }
const PermutationType& permutationP() const { return m_perm; }
protected:
FactorType m_L; // The lower part stored in CSC