From afdd26f2299fd64ca05174d6a25a3847bb3b9c1d Mon Sep 17 00:00:00 2001
From: Jitse Niesen <jitse@maths.leeds.ac.uk>
Date: Mon, 4 Apr 2011 13:44:50 +0100
Subject: Do some of the actual work in evaluator for Block. Also, add simple
 accessor methods to Block expression class.

---
 Eigen/src/Core/Block.h | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

(limited to 'Eigen/src/Core/Block.h')

diff --git a/Eigen/src/Core/Block.h b/Eigen/src/Core/Block.h
index 2b251bc2c..b7dafd3ee 100644
--- a/Eigen/src/Core/Block.h
+++ b/Eigen/src/Core/Block.h
@@ -242,6 +242,21 @@ template<typename XprType, int BlockRows, int BlockCols, bool InnerPanel, bool H
     inline Index outerStride() const;
     #endif
 
+    const typename internal::remove_all<typename XprType::Nested>::type& nestedExpression() const 
+    { 
+      return m_xpr; 
+    }
+      
+    Index startRow() const 
+    { 
+      return m_startRow.value(); 
+    }
+      
+    Index startCol() const 
+    { 
+      return m_startCol.value(); 
+    }
+
   protected:
 
     const typename XprType::Nested m_xpr;
@@ -304,6 +319,11 @@ class Block<XprType,BlockRows,BlockCols, InnerPanel,true>
       init();
     }
 
+    const typename internal::remove_all<typename XprType::Nested>::type& nestedExpression() const 
+    { 
+      return m_xpr; 
+    }
+      
     /** \sa MapBase::innerStride() */
     inline Index innerStride() const
     {
-- 
cgit v1.2.3