split and add unit tests for symm and syrk,

the .rank*update() functions now returns a reference to *this

1 files changed, 96 insertions, 0 deletions

diff --git a/test/product_symm.cpp b/test/product_symm.cpp
new file mode 100644
index 000000000..3a0cd94d0
--- /dev/null
+++ b/test/product_symm.cpp
@@ -0,0 +1,96 @@
+// This file is part of Eigen, a lightweight C++ template library
+// for linear algebra.
+//
+// Copyright (C) 2008-2009 Gael Guennebaud <gael.guennebaud@gmail.com>
+//
+// Eigen is free software; you can redistribute it and/or
+// modify it under the terms of the GNU Lesser General Public
+// License as published by the Free Software Foundation; either
+// version 3 of the License, or (at your option) any later version.
+//
+// Alternatively, you can redistribute it and/or
+// modify it under the terms of the GNU General Public License as
+// published by the Free Software Foundation; either version 2 of
+// the License, or (at your option) any later version.
+//
+// Eigen is distributed in the hope that it will be useful, but WITHOUT ANY
+// WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+// FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License or the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public
+// License and a copy of the GNU General Public License along with
+// Eigen. If not, see <http://www.gnu.org/licenses/>.
+
+#include "main.h"
+
+template<typename MatrixType> void symm(const MatrixType& m)
+{
+  typedef typename MatrixType::Scalar Scalar;
+  typedef typename NumTraits<Scalar>::Real RealScalar;
+  typedef Matrix<Scalar, MatrixType::ColsAtCompileTime, Dynamic> Rhs1;
+  typedef Matrix<Scalar, Dynamic, MatrixType::RowsAtCompileTime> Rhs2;
+  typedef Matrix<Scalar, MatrixType::ColsAtCompileTime, Dynamic,RowMajor> Rhs3;
+
+  int rows = m.rows();
+  int cols = m.cols();
+
+  MatrixType m1 = MatrixType::Random(rows, cols),
+             m2 = MatrixType::Random(rows, cols);
+
+  m1 = (m1+m1.adjoint()).eval();
+
+  Rhs1 rhs1 = Rhs1::Random(cols, ei_random<int>(1,320)), rhs12, rhs13;
+  Rhs2 rhs2 = Rhs2::Random(ei_random<int>(1,320), rows), rhs22, rhs23;
+  Rhs3 rhs3 = Rhs3::Random(cols, ei_random<int>(1,320)), rhs32, rhs33;
+
+  Scalar s1 = ei_random<Scalar>(),
+         s2 = ei_random<Scalar>();
+
+  m2 = m1.template triangularView<LowerTriangular>();
+  VERIFY_IS_APPROX(rhs12 = (s1*m2).template selfadjointView<LowerTriangular>() * (s2*rhs1),
+                   rhs13 = (s1*m1) * (s2*rhs1));
+
+  m2 = m1.template triangularView<UpperTriangular>();
+  VERIFY_IS_APPROX(rhs12 = (s1*m2).template selfadjointView<UpperTriangular>() * (s2*rhs1),
+                   rhs13 = (s1*m1) * (s2*rhs1));
+
+  m2 = m1.template triangularView<LowerTriangular>();
+  VERIFY_IS_APPROX(rhs22 = (s1*m2).template selfadjointView<LowerTriangular>() * (s2*rhs2.adjoint()),
+                   rhs23 = (s1*m1) * (s2*rhs2.adjoint()));
+
+  m2 = m1.template triangularView<UpperTriangular>();
+  VERIFY_IS_APPROX(rhs22 = (s1*m2).template selfadjointView<UpperTriangular>() * (s2*rhs2.adjoint()),
+                   rhs23 = (s1*m1) * (s2*rhs2.adjoint()));
+
+  m2 = m1.template triangularView<UpperTriangular>();
+  VERIFY_IS_APPROX(rhs22 = (s1*m2.adjoint()).template selfadjointView<LowerTriangular>() * (s2*rhs2.adjoint()),
+                   rhs23 = (s1*m1.adjoint()) * (s2*rhs2.adjoint()));
+
+  // test row major = <...>
+  m2 = m1.template triangularView<LowerTriangular>();
+  VERIFY_IS_APPROX(rhs32 = (s1*m2).template selfadjointView<LowerTriangular>() * (s2*rhs3),
+                   rhs33 = (s1*m1) * (s2 * rhs3));
+
+  m2 = m1.template triangularView<UpperTriangular>();
+  VERIFY_IS_APPROX(rhs32 = (s1*m2.adjoint()).template selfadjointView<LowerTriangular>() * (s2*rhs3).conjugate(),
+                   rhs33 = (s1*m1.adjoint()) * (s2*rhs3).conjugate());
+
+  // test matrix * selfadjoint
+  m2 = m1.template triangularView<LowerTriangular>();
+  VERIFY_IS_APPROX(rhs22 = (rhs2) * (m2).template selfadjointView<LowerTriangular>(),
+                   rhs23 = (rhs2) * (m1));
+  VERIFY_IS_APPROX(rhs22 = (s2*rhs2) * (s1*m2).template selfadjointView<LowerTriangular>(),
+                   rhs23 = (s2*rhs2) * (s1*m1));
+}
+void test_product_symm()
+{
+  for(int i = 0; i < g_repeat ; i++)
+  {
+    int s;
+    s = ei_random<int>(10,320);
+    CALL_SUBTEST( symm(MatrixXf(s, s)) );
+    s = ei_random<int>(10,320);
+    CALL_SUBTEST( symm(MatrixXcd(s, s)) );
+  }
+}