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bug #1741: fix SelfAdjointView::rankUpdate and product to triangular part for destination with non-trivial inner stride

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This commit is contained in:
Gael Guennebaud
2019-09-10 23:29:52 +02:00
parent ea0d5dc956
commit c06e6fd115
4 changed files with 58 additions and 31 deletions
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10
test/product_mmtr.cpp
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@@ -82,6 +82,16 @@ template<typename Scalar> void mmtr(int size)
ref2.template triangularView<Lower>() = ref1.template triangularView<Lower>();
matc.template triangularView<Lower>() = sqc * matc * sqc.adjoint();
VERIFY_IS_APPROX(matc, ref2);
// destination with a non-default inner-stride
// see bug 1741
{
typedef Matrix<Scalar,Dynamic,Dynamic> MatrixX;
MatrixX buffer(2*size,2*size);
Map<MatrixColMaj,0,Stride<Dynamic,Dynamic> > map1(buffer.data(),size,size,Stride<Dynamic,Dynamic>(2*size,2));
buffer.setZero();
CHECK_MMTR(map1, Lower, = s*soc*sor.adjoint());
}
}
EIGEN_DECLARE_TEST(product_mmtr)