From 7d607048a926052e8acfb5cc18cb0be557fa6447 Mon Sep 17 00:00:00 2001
From: Gael Guennebaud <g.gael@free.fr>
Date: Tue, 4 Aug 2009 16:54:17 +0200
Subject: implement a ProductBase class and, as a proof of concept, update
 TriangularProduct and SelfAdjointMatrixProduct to take advantage of it =>
 fewer LOC

---
 Eigen/src/Core/util/ForwardDeclarations.h | 1 +
 1 file changed, 1 insertion(+)

(limited to 'Eigen/src/Core/util/ForwardDeclarations.h')

diff --git a/Eigen/src/Core/util/ForwardDeclarations.h b/Eigen/src/Core/util/ForwardDeclarations.h
index 310d0fbde..d755445c1 100644
--- a/Eigen/src/Core/util/ForwardDeclarations.h
+++ b/Eigen/src/Core/util/ForwardDeclarations.h
@@ -48,6 +48,7 @@ template<typename NullaryOp, typename MatrixType>         class CwiseNullaryOp;
 template<typename UnaryOp,   typename MatrixType>         class CwiseUnaryOp;
 template<typename ViewOp,    typename MatrixType>         class CwiseUnaryView;
 template<typename BinaryOp,  typename Lhs, typename Rhs>  class CwiseBinaryOp;
+template<typename Derived, typename Lhs, typename Rhs> class ProductBase;
 template<typename Lhs, typename Rhs, int ProductMode> class Product;
 
 template<typename Derived> class DiagonalBase;
-- 
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