From df15fbc4520402a00b053bd02c782b77a5b72f61 Mon Sep 17 00:00:00 2001
From: Gael Guennebaud <g.gael@free.fr>
Date: Thu, 28 Jan 2016 13:16:30 +0100
Subject: bug #1158: PartialReduxExpr is a vector expression, and it thus must
 expose the LinearAccessBit flag

---
 test/vectorwiseop.cpp | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'test/vectorwiseop.cpp')

diff --git a/test/vectorwiseop.cpp b/test/vectorwiseop.cpp
index 87476f95b..3cc198772 100644
--- a/test/vectorwiseop.cpp
+++ b/test/vectorwiseop.cpp
@@ -210,6 +210,9 @@ template<typename MatrixType> void vectorwiseop_matrix(const MatrixType& m)
   VERIFY_IS_APPROX(m1.cwiseAbs().colwise().maxCoeff(), m1.colwise().template lpNorm<Infinity>());
   VERIFY_IS_APPROX(m1.cwiseAbs().rowwise().maxCoeff(), m1.rowwise().template lpNorm<Infinity>());
 
+  // regression for bug 1158
+  VERIFY_IS_APPROX(m1.cwiseAbs().colwise().sum().x(), m1.col(0).cwiseAbs().sum());
+
   // test normalized
   m2 = m1.colwise().normalized();
   VERIFY_IS_APPROX(m2.col(c), m1.col(c).normalized());
-- 
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