From: Julius Witte <julius.witte@iwr.uni-heidelberg.de>
Date: Wed, 25 Sep 2019 16:28:43 +0000 (-0400)
Subject: Expose static size and value type
X-Git-Tag: v9.2.0-rc1~1022^2~1
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=123879a9a05d925f04fe3989f59666db6bf19768;p=dealii.git

Expose static size and value type
---

diff --git a/include/deal.II/lac/tensor_product_matrix.h b/include/deal.II/lac/tensor_product_matrix.h
index ffab3f43be..8c9877bd61 100644
--- a/include/deal.II/lac/tensor_product_matrix.h
+++ b/include/deal.II/lac/tensor_product_matrix.h
@@ -74,6 +74,17 @@ template <int dim, typename Number, int size = -1>
 class TensorProductMatrixSymmetricSumBase
 {
 public:
+  /**
+   * Type of matrix entries. This alias is analogous to <tt>value_type</tt>
+   * in the standard library containers.
+   */
+  using value_type = Number;
+
+  /**
+   * Compile-time array lengths given by the template parameter size.
+   */
+  static constexpr int static_size = size;
+
   /**
    * Return the number of rows of the tensor product matrix
    * resulting from the Kronecker product of 1D matrices, which is described