From: Julius Witte <julius.witte@iwr.uni-heidelberg.de>
Date: Wed, 25 Sep 2019 16:38:09 +0000 (-0400)
Subject: Store underlying Mapping
X-Git-Tag: v9.2.0-rc1~1010^2
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f415227f1558bc8fae32a00d49c414023853b813;p=dealii.git

Store underlying Mapping
---

diff --git a/include/deal.II/matrix_free/mapping_info.h b/include/deal.II/matrix_free/mapping_info.h
index 3adf978006..5a0c8bc64b 100644
--- a/include/deal.II/matrix_free/mapping_info.h
+++ b/include/deal.II/matrix_free/mapping_info.h
@@ -385,6 +385,11 @@ namespace internal
       std::vector<MappingInfoStorage<dim - 1, dim, Number, VectorizedArrayType>>
         face_data_by_cells;
 
+      /**
+       * The pointer to the underlying Mapping object.
+       */
+      SmartPointer<const Mapping<dim>> mapping;
+
       /**
        * Computes the information in the given cells, called within
        * initialize.
diff --git a/include/deal.II/matrix_free/mapping_info.templates.h b/include/deal.II/matrix_free/mapping_info.templates.h
index 6e8d4fb7ec..d7d21323a4 100644
--- a/include/deal.II/matrix_free/mapping_info.templates.h
+++ b/include/deal.II/matrix_free/mapping_info.templates.h
@@ -283,6 +283,7 @@ namespace internal
       const UpdateFlags update_flags_faces_by_cells)
     {
       clear();
+      this->mapping = &mapping;
 
       // Could call these functions in parallel, but not useful because the
       // work inside is nicely split up already