From 871698d3aa3e125561226a08bee9aa2db5dec6aa Mon Sep 17 00:00:00 2001
From: Hauke Heibel <hauke.heibel@gmail.com>
Date: Sat, 6 Feb 2010 17:43:32 +0100
Subject: Introduced NestParentByRefBit and NestByRefBit - this should fix
 temporaries related to nested products. Fixed a few typos and a few warnings.

---
 Eigen/src/Core/products/GeneralUnrolled.h | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'Eigen/src/Core/products')

diff --git a/Eigen/src/Core/products/GeneralUnrolled.h b/Eigen/src/Core/products/GeneralUnrolled.h
index 32aa3afe6..a8fec1fac 100644
--- a/Eigen/src/Core/products/GeneralUnrolled.h
+++ b/Eigen/src/Core/products/GeneralUnrolled.h
@@ -81,8 +81,10 @@ struct ei_traits<GeneralProduct<LhsNested,RhsNested,UnrolledProduct> >
       Flags = ((unsigned int)(LhsFlags | RhsFlags) & HereditaryBits & RemovedBits)
             | EvalBeforeAssigningBit
             | EvalBeforeNestingBit
+            | NestParentByRefBit
             | (CanVectorizeLhs || CanVectorizeRhs ? PacketAccessBit : 0)
-            | (LhsFlags & RhsFlags & AlignedBit),
+            | (LhsFlags & RhsFlags & AlignedBit)            
+            | EIGEN_PROPAGATE_NESTING_BIT(LhsFlags|RhsFlags),
 
       CoeffReadCost = InnerSize == Dynamic ? Dynamic
                     : InnerSize * (NumTraits<Scalar>::MulCost + LhsCoeffReadCost + RhsCoeffReadCost)
-- 
cgit v1.2.3