]> https://gitweb.dealii.org/ - dealii.git/commitdiff
Improve documentation 1003/head
authorMartin Kronbichler <kronbichler@lnm.mw.tum.de>
Fri, 12 Jun 2015 16:21:28 +0000 (18:21 +0200)
committerMartin Kronbichler <kronbichler@lnm.mw.tum.de>
Fri, 12 Jun 2015 16:21:28 +0000 (18:21 +0200)
include/deal.II/lac/block_matrix_base.h

index 3239df5e686021d94fa591ed0a007fffd5e3c31a..4115c7eb38fe8235191d5bba66c128d085d8f58d 100644 (file)
@@ -583,6 +583,10 @@ public:
    * pattern of the calling matrix does not contain all the elements in the
    * sparsity pattern of the input matrix, this function will throw an
    * exception.
+   *
+   * Depending on MatrixType, however, additional restrictions might
+   * arise. Some sparse matrix formats require <tt>matrix</tt> to be based on
+   * the same sparsity pattern as the calling matrix.
    */
   void add (const value_type                   factor,
             const BlockMatrixBase<MatrixType> &matrix);

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