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authorJim Guggemos <jimg@google.com>2012-12-04 16:46:41 -0700
committerJim Guggemos <jimg@google.com>2012-12-04 17:08:38 -0700
commitb015e75e8c7ba1ab4ddb91e9372a57e76f3fd159 (patch)
tree54d1c7d66098154c1d7c5bd414394ef4cf255810 /test/dontalign.cpp
parent63f67d748682b46d58be31235a0a2d64d81b998c (diff)
parentc981c48f5bc9aefeffc0bcb0cc3934c2fae179dd (diff)
downloadeigen-b015e75e8c7ba1ab4ddb91e9372a57e76f3fd159.tar.gz
Change-Id: Ic9004531328145ea36ba513bb96a23595427f6a4
Diffstat (limited to 'test/dontalign.cpp')
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diff --git a/test/dontalign.cpp b/test/dontalign.cpp
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+// This file is part of Eigen, a lightweight C++ template library
+// for linear algebra.
+//
+// Copyright (C) 2011 Benoit Jacob <jacob.benoit.1@gmail.com>
+//
+// This Source Code Form is subject to the terms of the Mozilla
+// Public License v. 2.0. If a copy of the MPL was not distributed
+// with this file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+#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));
+
+ // bug 219: MapAligned() was giving an assert with EIGEN_DONT_ALIGN, because Map Flags were miscomputed
+ Scalar* array = internal::aligned_new<Scalar>(rows);
+ v = VectorType::MapAligned(array, rows);
+ internal::aligned_delete(array, rows);
+}
+
+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
+}