Improve documentation of plugins.

6 files changed, 22 insertions, 3 deletions

diff --git a/Eigen/src/Core/Array.h b/Eigen/src/Core/Array.h
index 598d18910..a3a2167ad 100644
--- a/Eigen/src/Core/Array.h
+++ b/Eigen/src/Core/Array.h
@@ -37,6 +37,9 @@
   * API for the %Matrix class provides easy access to linear-algebra
   * operations.
   *
+  * This class can be extended with the help of the plugin mechanism described on the page
+  * \ref TopicCustomizingEigen by defining the preprocessor symbol \c EIGEN_ARRAY_PLUGIN.
+  *
   * \sa \ref TutorialArrayClass, \ref TopicClassHierarchy
   */
 namespace internal {
diff --git a/Eigen/src/Core/ArrayBase.h b/Eigen/src/Core/ArrayBase.h
index f36883168..9399ac3d1 100644
--- a/Eigen/src/Core/ArrayBase.h
+++ b/Eigen/src/Core/ArrayBase.h
@@ -42,7 +42,10 @@ template<typename ExpressionType> class MatrixWrapper;
   *
   * This class is the base that is inherited by all array expression types.
   *
-  * \param Derived is the derived type, e.g., an array or an expression type.
+  * \tparam Derived is the derived type, e.g., an array or an expression type.
+  *
+  * This class can be extended with the help of the plugin mechanism described on the page
+  * \ref TopicCustomizingEigen by defining the preprocessor symbol \c EIGEN_ARRAYBASE_PLUGIN.
   *
   * \sa class MatrixBase, \ref TopicClassHierarchy
   */
diff --git a/Eigen/src/Core/DenseBase.h b/Eigen/src/Core/DenseBase.h
index 91465f026..496218ded 100644
--- a/Eigen/src/Core/DenseBase.h
+++ b/Eigen/src/Core/DenseBase.h
@@ -34,7 +34,10 @@
   * This class is the base that is inherited by all dense objects (matrix, vector, arrays,
   * and related expression types). The common Eigen API for dense objects is contained in this class.
   *
-  * \param Derived is the derived type, e.g., a matrix type or an expression.
+  * \tparam Derived is the derived type, e.g., a matrix type or an expression.
+  *
+  * This class can be extended with the help of the plugin mechanism described on the page
+  * \ref TopicCustomizingEigen by defining the preprocessor symbol \c EIGEN_DENSEBASE_PLUGIN.
   *
   * \sa \ref TopicClassHierarchy
   */
diff --git a/Eigen/src/Core/Matrix.h b/Eigen/src/Core/Matrix.h
index 7e3279094..8ae55da6e 100644
--- a/Eigen/src/Core/Matrix.h
+++ b/Eigen/src/Core/Matrix.h
@@ -79,6 +79,9 @@
   * m(0, 3) = 3;
   * \endcode
   *
+  * This class can be extended with the help of the plugin mechanism described on the page
+  * \ref TopicCustomizingEigen by defining the preprocessor symbol \c EIGEN_MATRIX_PLUGIN.
+  *
   * <i><b>Some notes:</b></i>
   *
   * <dl>
diff --git a/Eigen/src/Core/MatrixBase.h b/Eigen/src/Core/MatrixBase.h
index 594fbedf7..f0c7fc7a1 100644
--- a/Eigen/src/Core/MatrixBase.h
+++ b/Eigen/src/Core/MatrixBase.h
@@ -38,7 +38,7 @@
   * Note that some methods are defined in other modules such as the \ref LU_Module LU module
   * for all functions related to matrix inversions.
   *
-  * \param Derived is the derived type, e.g. a matrix type, or an expression, etc.
+  * \tparam Derived is the derived type, e.g. a matrix type, or an expression, etc.
   *
   * When writing a function taking Eigen objects as argument, if you want your function
   * to take as argument any matrix, vector, or expression, just let it take a
@@ -53,6 +53,9 @@
     }
   * \endcode
   *
+  * This class can be extended with the help of the plugin mechanism described on the page
+  * \ref TopicCustomizingEigen by defining the preprocessor symbol \c EIGEN_MATRIXBASE_PLUGIN.
+  *
   * \sa \ref TopicClassHierarchy
   */
 template<typename Derived> class MatrixBase
diff --git a/Eigen/src/Core/PlainObjectBase.h b/Eigen/src/Core/PlainObjectBase.h
index 06de6ecc3..39dddf773 100644
--- a/Eigen/src/Core/PlainObjectBase.h
+++ b/Eigen/src/Core/PlainObjectBase.h
@@ -42,6 +42,10 @@ template<typename MatrixTypeA, typename MatrixTypeB, bool SwapPointers> struct m
 
 /**
   * \brief %Dense storage base class for matrices and arrays.
+  *
+  * This class can be extended with the help of the plugin mechanism described on the page
+  * \ref TopicCustomizingEigen by defining the preprocessor symbol \c EIGEN_PLAINOBJECTBASE_PLUGIN.
+  *
   * \sa \ref TopicClassHierarchy
   */
 template<typename Derived>