From 127791c4cf06b479b1e52ac9365a6cf524021fcf Mon Sep 17 00:00:00 2001 From: Martin Kronbichler Date: Fri, 12 Jun 2015 18:21:28 +0200 Subject: [PATCH] Improve documentation --- include/deal.II/lac/block_matrix_base.h | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/include/deal.II/lac/block_matrix_base.h b/include/deal.II/lac/block_matrix_base.h index 3239df5e68..4115c7eb38 100644 --- a/include/deal.II/lac/block_matrix_base.h +++ b/include/deal.II/lac/block_matrix_base.h @@ -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 matrix to be based on + * the same sparsity pattern as the calling matrix. */ void add (const value_type factor, const BlockMatrixBase &matrix); -- 2.39.5