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add an assertion when inserting an already existing element

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This commit is contained in:
Gael Guennebaud
2012-10-02 23:02:23 +02:00
parent 2008f76120
commit 62b1f75a86
1 changed files with 1 additions and 0 deletions
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Eigen/src/SparseCore/SparseMatrix.h
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@@ -982,6 +982,7 @@ protected:
m_data.value(p) = m_data.value(p-1); m_data.value(p) = m_data.value(p-1);
--p; --p;
} }
eigen_assert((p<=startId || m_data.index(p-1)!=inner) && "you cannot insert an element that already exist, you must call coeffRef to this end");
m_innerNonZeros[outer]++; m_innerNonZeros[outer]++;