diff options
author | Gael Guennebaud <g.gael@free.fr> | 2011-02-01 15:49:10 +0100 |
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committer | Gael Guennebaud <g.gael@free.fr> | 2011-02-01 15:49:10 +0100 |
commit | a486d5590a7532b698db07eaeba8c402bbf9fd6f (patch) | |
tree | 05a35c65e84f9000d7a8b1d8e2b6028b7df26beb /test/product_syrk.cpp | |
parent | 3eb74cf9fc45eac47160da1ff96d4f4083ccce7d (diff) |
implement optimized path for selfadjoint rank 1 update (safe regarding dynamic alloc)
Diffstat (limited to 'test/product_syrk.cpp')
-rw-r--r-- | test/product_syrk.cpp | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/test/product_syrk.cpp b/test/product_syrk.cpp index 951a254ed..553410b9b 100644 --- a/test/product_syrk.cpp +++ b/test/product_syrk.cpp @@ -44,6 +44,8 @@ template<typename MatrixType> void syrk(const MatrixType& m) Rhs3 rhs3 = Rhs3::Random(internal::random<int>(1,320), rows); Scalar s1 = internal::random<Scalar>(); + + Index c = internal::random<Index>(0,cols-1); m2.setZero(); VERIFY_IS_APPROX((m2.template selfadjointView<Lower>().rankUpdate(rhs2,s1)._expression()), @@ -68,6 +70,30 @@ template<typename MatrixType> void syrk(const MatrixType& m) m2.setZero(); VERIFY_IS_APPROX(m2.template selfadjointView<Upper>().rankUpdate(rhs3.adjoint(),s1)._expression(), (s1 * rhs3.adjoint() * rhs3).eval().template triangularView<Upper>().toDenseMatrix()); + + m2.setZero(); + VERIFY_IS_APPROX((m2.template selfadjointView<Lower>().rankUpdate(m1.col(c),s1)._expression()), + ((s1 * m1.col(c) * m1.col(c).adjoint()).eval().template triangularView<Lower>().toDenseMatrix())); + + m2.setZero(); + VERIFY_IS_APPROX((m2.template selfadjointView<Upper>().rankUpdate(m1.col(c),s1)._expression()), + ((s1 * m1.col(c) * m1.col(c).adjoint()).eval().template triangularView<Upper>().toDenseMatrix())); + + m2.setZero(); + VERIFY_IS_APPROX((m2.template selfadjointView<Lower>().rankUpdate(m1.col(c).conjugate(),s1)._expression()), + ((s1 * m1.col(c).conjugate() * m1.col(c).conjugate().adjoint()).eval().template triangularView<Lower>().toDenseMatrix())); + + m2.setZero(); + VERIFY_IS_APPROX((m2.template selfadjointView<Upper>().rankUpdate(m1.col(c).conjugate(),s1)._expression()), + ((s1 * m1.col(c).conjugate() * m1.col(c).conjugate().adjoint()).eval().template triangularView<Upper>().toDenseMatrix())); + + m2.setZero(); + VERIFY_IS_APPROX((m2.template selfadjointView<Lower>().rankUpdate(m1.row(c),s1)._expression()), + ((s1 * m1.row(c).transpose() * m1.row(c).transpose().adjoint()).eval().template triangularView<Lower>().toDenseMatrix())); + + m2.setZero(); + VERIFY_IS_APPROX((m2.template selfadjointView<Upper>().rankUpdate(m1.row(c).adjoint(),s1)._expression()), + ((s1 * m1.row(c).adjoint() * m1.row(c).adjoint().adjoint()).eval().template triangularView<Upper>().toDenseMatrix())); } void test_product_syrk() |