From fb2027574d9074d275a0bcc5bf6b4b9d2459a66f Mon Sep 17 00:00:00 2001
From: Max Kahnt <max.kahnt@fu-berlin.de>
Date: Tue, 3 Feb 2015 12:32:21 +0100
Subject: [PATCH] Fix bug in SingleNonZeroColumnMatrix where entries were
overridden instead of added.
---
dune/matrix-vector/singlenonzerocolumnmatrix.hh | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/dune/matrix-vector/singlenonzerocolumnmatrix.hh b/dune/matrix-vector/singlenonzerocolumnmatrix.hh
index afe07c8..4225019 100644
--- a/dune/matrix-vector/singlenonzerocolumnmatrix.hh
+++ b/dune/matrix-vector/singlenonzerocolumnmatrix.hh
@@ -84,7 +84,7 @@ public:
void umtv(const X& x, Y& y) const
{
for(size_type i=0; i<N(); ++i)
- y[columnIndex_] = nonZeroColumn_[i] * x[i];
+ y[columnIndex_] += nonZeroColumn_[i] * x[i];
}
template<class X , class Y >
--
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