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Fix AMD ordering when a column has only one off-diagonal non-zero (also fix bug #1045)

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Gael Guennebaud
2015-09-03 11:04:06 +02:00
parent 66c092e44e
commit 8c7e281c9e
2 changed files with 7 additions and 1 deletions
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2
Eigen/src/OrderingMethods/Amd.h
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@@ -150,7 +150,7 @@ void minimum_degree_ordering(SparseMatrix<Scalar,ColMajor,Index>& C, Permutation
}
d = degree[i];
if(d == 1) /* node i is empty */
if(d == 1 && has_diag) /* node i is empty */
{
elen[i] = -2; /* element i is dead */
nel++;