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1 // This file is part of Eigen, a lightweight C++ template library
2 // for linear algebra.
3 //
4 // Copyright (C) 2011 Benoit Jacob <jacob.benoit.1@gmail.com>
5 //
6 // This Source Code Form is subject to the terms of the Mozilla
7 // Public License v. 2.0. If a copy of the MPL was not distributed
8 // with this file, You can obtain one at http://mozilla.org/MPL/2.0/.
9 
10 #if defined EIGEN_TEST_PART_1 || defined EIGEN_TEST_PART_2 || defined EIGEN_TEST_PART_3 || defined EIGEN_TEST_PART_4
11 #define EIGEN_DONT_ALIGN
12 #elif defined EIGEN_TEST_PART_5 || defined EIGEN_TEST_PART_6 || defined EIGEN_TEST_PART_7 || defined EIGEN_TEST_PART_8
13 #define EIGEN_DONT_ALIGN_STATICALLY
14 #endif
15 
16 #include "main.h"
17 #include <Eigen/Dense>
18 
19 template<typename MatrixType>
dontalign(const MatrixType & m)20 void dontalign(const MatrixType& m)
21 {
22   typedef typename MatrixType::Index Index;
23   typedef typename MatrixType::Scalar Scalar;
24   typedef Matrix<Scalar, MatrixType::RowsAtCompileTime, 1> VectorType;
25   typedef Matrix<Scalar, MatrixType::RowsAtCompileTime, MatrixType::RowsAtCompileTime> SquareMatrixType;
26 
27   Index rows = m.rows();
28   Index cols = m.cols();
29 
30   MatrixType a = MatrixType::Random(rows,cols);
31   SquareMatrixType square = SquareMatrixType::Random(rows,rows);
32   VectorType v = VectorType::Random(rows);
33 
34   VERIFY_IS_APPROX(v, square * square.colPivHouseholderQr().solve(v));
35   square = square.inverse().eval();
36   a = square * a;
37   square = square*square;
38   v = square * v;
39   v = a.adjoint() * v;
40   VERIFY(square.determinant() != Scalar(0));
41 
42   // bug 219: MapAligned() was giving an assert with EIGEN_DONT_ALIGN, because Map Flags were miscomputed
43   Scalar* array = internal::aligned_new<Scalar>(rows);
44   v = VectorType::MapAligned(array, rows);
45   internal::aligned_delete(array, rows);
46 }
47 
test_dontalign()48 void test_dontalign()
49 {
50 #if defined EIGEN_TEST_PART_1 || defined EIGEN_TEST_PART_5
51   dontalign(Matrix3d());
52   dontalign(Matrix4f());
53 #elif defined EIGEN_TEST_PART_2 || defined EIGEN_TEST_PART_6
54   dontalign(Matrix3cd());
55   dontalign(Matrix4cf());
56 #elif defined EIGEN_TEST_PART_3 || defined EIGEN_TEST_PART_7
57   dontalign(Matrix<float, 32, 32>());
58   dontalign(Matrix<std::complex<float>, 32, 32>());
59 #elif defined EIGEN_TEST_PART_4 || defined EIGEN_TEST_PART_8
60   dontalign(MatrixXd(32, 32));
61   dontalign(MatrixXcf(32, 32));
62 #endif
63 }
64