From 9a47fb289bfa025c33db4f5773876a8792c00f47 Mon Sep 17 00:00:00 2001
From: Benoit Jacob <jacob.benoit.1@gmail.com>
Date: Thu, 10 Mar 2011 09:44:59 -0500
Subject: add test for EIGEN_DONT_ALIGN and EIGEN_DONT_ALIGN_STATICALLY, cf
 recent bugs (214 etc) and changeset 56818d907ed08bcc831da1e990dbc105fb681866

---
 test/dontalign.cpp | 73 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 73 insertions(+)
 create mode 100644 test/dontalign.cpp

(limited to 'test/dontalign.cpp')

diff --git a/test/dontalign.cpp b/test/dontalign.cpp
new file mode 100644
index 000000000..6ef2761bf
--- /dev/null
+++ b/test/dontalign.cpp
@@ -0,0 +1,73 @@
+// This file is part of Eigen, a lightweight C++ template library
+// for linear algebra.
+//
+// Copyright (C) 2011 Benoit Jacob <jacob.benoit.1@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/>.
+
+#if defined EIGEN_TEST_PART_1 || defined EIGEN_TEST_PART_2 || defined EIGEN_TEST_PART_3 || defined EIGEN_TEST_PART_4
+#define EIGEN_DONT_ALIGN
+#elif defined EIGEN_TEST_PART_5 || defined EIGEN_TEST_PART_6 || defined EIGEN_TEST_PART_7 || defined EIGEN_TEST_PART_8
+#define EIGEN_DONT_ALIGN_STATICALLY
+#endif
+
+#include "main.h"
+#include <Eigen/Dense>
+
+template<typename MatrixType>
+void dontalign(const MatrixType& m)
+{
+  typedef typename MatrixType::Index Index;
+  typedef typename MatrixType::Scalar Scalar;
+  typedef Matrix<Scalar, MatrixType::RowsAtCompileTime, 1> VectorType;
+  typedef Matrix<Scalar, MatrixType::RowsAtCompileTime, MatrixType::RowsAtCompileTime> SquareMatrixType;
+
+  Index rows = m.rows();
+  Index cols = m.cols();
+
+  MatrixType a = MatrixType::Random(rows,cols);
+  SquareMatrixType square = SquareMatrixType::Random(rows,rows);
+  VectorType v = VectorType::Random(rows);
+
+  VERIFY_IS_APPROX(v, square * square.colPivHouseholderQr().solve(v));
+  square = square.inverse().eval();
+  a = square * a;
+  square = square*square;
+  v = square * v;
+  v = a.adjoint() * v;
+  VERIFY(square.determinant() != Scalar(0));
+}
+
+void test_dontalign()
+{
+#if defined EIGEN_TEST_PART_1 || defined EIGEN_TEST_PART_5
+  dontalign(Matrix3d());
+  dontalign(Matrix4f());
+#elif defined EIGEN_TEST_PART_2 || defined EIGEN_TEST_PART_6
+  dontalign(Matrix3cd());
+  dontalign(Matrix4cf());
+#elif defined EIGEN_TEST_PART_3 || defined EIGEN_TEST_PART_7
+  dontalign(Matrix<float, 32, 32>());
+  dontalign(Matrix<std::complex<float>, 32, 32>());
+#elif defined EIGEN_TEST_PART_4 || defined EIGEN_TEST_PART_8
+  dontalign(MatrixXd(32, 32));
+  dontalign(MatrixXcf(32, 32));
+#endif
+}
-- 
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