]> https://gitweb.dealii.org/ - dealii.git/commitdiff
add comment to new function
authorJoscha Gedicke <joscha.gedicke@iwr.uni-heidelberg.de>
Mon, 7 Mar 2016 17:41:26 +0000 (18:41 +0100)
committerJoscha Gedicke <joscha.gedicke@iwr.uni-heidelberg.de>
Mon, 7 Mar 2016 17:41:26 +0000 (18:41 +0100)
include/deal.II/lac/constraint_matrix.h

index 591e7066759f4b2fb7ee6c0329560cb331ed79a0..b40514fd4c6c0d397795061bb6d5331a6714fd83 100644 (file)
@@ -740,6 +740,16 @@ public:
                               VectorType                   &global_vector,
                               const FullMatrix<LocalType>  &local_matrix) const;
 
+  /**
+   * Same as the previous function, except that it uses two (possibly) different
+   * index sets to correctly handle inhomogeneties when the local matrix is
+   * computed from a combination of two neighboring elements, for example for an
+   * edge integral term in dG. Note that in the case that these two elements have
+   * different polynomial degree, the local matrix is rectangular.
+   *
+   * <tt>local_dof_indices_row<tt> is the set of row indices and
+   * <tt>local_dof_indices_col<tt> is the set of column indices of the local matrix.
+   */
   template <typename VectorType, typename LocalType>
   void
   distribute_local_to_global (const Vector<LocalType>      &local_vector,

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