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bug #1343: fix compilation regression in array = matrix_product

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This commit is contained in:
Gael Guennebaud 2016-11-18 10:09:33 +01:00
parent a6a3fd0703
commit cebff7e3a2
2 changed files with 11 additions and 1 deletions
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2
Eigen/src/Core/GeneralProduct.h
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@ -264,7 +264,7 @@ template<> struct gemv_dense_selector<OnTheRight,ColMajor,true>
if (!evalToDest)
{
if(!alphaIsCompatible)
dest += actualAlpha * MappedDest(actualDestPtr, dest.size());
dest.matrix() += actualAlpha * MappedDest(actualDestPtr, dest.size());
else
dest = MappedDest(actualDestPtr, dest.size());
}

10
test/product_extra.cpp
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@ -98,6 +98,16 @@ template<typename MatrixType> void product_extra(const MatrixType& m)
// regression test
MatrixType tmp = m1 * m1.adjoint() * s1;
VERIFY_IS_APPROX(tmp, m1 * m1.adjoint() * s1);
// regression test for bug 1343, assignment to arrays
Array<Scalar,Dynamic,1> a1 = m1 * vc2;
VERIFY_IS_APPROX(a1.matrix(),m1*vc2);
Array<Scalar,Dynamic,1> a2 = s1 * (m1 * vc2);
VERIFY_IS_APPROX(a2.matrix(),s1*m1*vc2);
Array<Scalar,1,Dynamic> a3 = v1 * m1;
VERIFY_IS_APPROX(a3.matrix(),v1*m1);
Array<Scalar,Dynamic,Dynamic> a4 = m1 * m2.adjoint();
VERIFY_IS_APPROX(a4.matrix(),m1*m2.adjoint());
}
// Regression test for bug reported at http://forum.kde.org/viewtopic.php?f=74&t=96947