From: Marc Fehling <mafehling.git@gmail.com>
Date: Fri, 4 Mar 2022 19:14:39 +0000 (-0700)
Subject: affine_constraints: hide another block of forward declarations
X-Git-Tag: v9.4.0-rc1~412^2
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=refs%2Fpull%2F13490%2Fhead;p=dealii.git

affine_constraints: hide another block of forward declarations
---

diff --git a/include/deal.II/lac/affine_constraints.h b/include/deal.II/lac/affine_constraints.h
index eaa2d95da8..104fff8be9 100644
--- a/include/deal.II/lac/affine_constraints.h
+++ b/include/deal.II/lac/affine_constraints.h
@@ -415,10 +415,6 @@ namespace internal
                  dealii::BlockVector<T> &                    vec);
   } // namespace AffineConstraintsImplementation
 } // namespace internal
-
-
-template <typename number>
-class AffineConstraints;
 #endif
 
 // TODO[WB]: We should have a function of the kind
@@ -2348,6 +2344,8 @@ AffineConstraints<number>::get_dof_values(
     }
 }
 
+// Forward declarations
+#ifndef DOXYGEN
 template <typename MatrixType>
 class BlockMatrixBase;
 template <typename SparsityPatternType>
@@ -2465,6 +2463,7 @@ namespace internal
 
   } // namespace AffineConstraints
 } // namespace internal
+#endif