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-rw-r--r--Eigen/src/SparseCore/SparseColEtree.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/Eigen/src/SparseCore/SparseColEtree.h b/Eigen/src/SparseCore/SparseColEtree.h
index e1de15afd..f89ca3814 100644
--- a/Eigen/src/SparseCore/SparseColEtree.h
+++ b/Eigen/src/SparseCore/SparseColEtree.h
@@ -55,6 +55,7 @@ Index etree_find (Index i, IndexVector& pp)
* \param mat The matrix in column-major format.
* \param parent The elimination tree
* \param firstRowElt The column index of the first element in each row
+ * \param perm The permutation to apply to the column of \b mat
*/
template <typename MatrixType, typename IndexVector>
int coletree(const MatrixType& mat, IndexVector& parent, IndexVector& firstRowElt, typename MatrixType::Index *perm=0)