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-rw-r--r--test/vectorwiseop.cpp3
1 files changed, 3 insertions, 0 deletions
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());