1// This file is part of Eigen, a lightweight C++ template library
2// for linear algebra.
3//
4// Copyright (C) 2009 Gael Guennebaud <gael.guennebaud@inria.fr>
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#define EIGEN2_SUPPORT
11
12#include "main.h"
13
14template<typename MatrixType> void eigen2support(const MatrixType& m)
15{
16  typedef typename MatrixType::Index Index;
17  typedef typename MatrixType::Scalar Scalar;
18
19  Index rows = m.rows();
20  Index cols = m.cols();
21
22  MatrixType m1 = MatrixType::Random(rows, cols),
23             m3(rows, cols);
24
25  Scalar  s1 = internal::random<Scalar>(),
26          s2 = internal::random<Scalar>();
27
28  // scalar addition
29  VERIFY_IS_APPROX(m1.cwise() + s1, s1 + m1.cwise());
30  VERIFY_IS_APPROX(m1.cwise() + s1, MatrixType::Constant(rows,cols,s1) + m1);
31  VERIFY_IS_APPROX((m1*Scalar(2)).cwise() - s2, (m1+m1) - MatrixType::Constant(rows,cols,s2) );
32  m3 = m1;
33  m3.cwise() += s2;
34  VERIFY_IS_APPROX(m3, m1.cwise() + s2);
35  m3 = m1;
36  m3.cwise() -= s1;
37  VERIFY_IS_APPROX(m3, m1.cwise() - s1);
38
39  VERIFY_IS_EQUAL((m1.corner(TopLeft,1,1)), (m1.block(0,0,1,1)));
40  VERIFY_IS_EQUAL((m1.template corner<1,1>(TopLeft)), (m1.template block<1,1>(0,0)));
41  VERIFY_IS_EQUAL((m1.col(0).start(1)), (m1.col(0).segment(0,1)));
42  VERIFY_IS_EQUAL((m1.col(0).template start<1>()), (m1.col(0).segment(0,1)));
43  VERIFY_IS_EQUAL((m1.col(0).end(1)), (m1.col(0).segment(rows-1,1)));
44  VERIFY_IS_EQUAL((m1.col(0).template end<1>()), (m1.col(0).segment(rows-1,1)));
45
46  using std::cos;
47  using numext::real;
48  using numext::abs2;
49  VERIFY_IS_EQUAL(ei_cos(s1), cos(s1));
50  VERIFY_IS_EQUAL(ei_real(s1), real(s1));
51  VERIFY_IS_EQUAL(ei_abs2(s1), abs2(s1));
52
53  m1.minor(0,0);
54}
55
56void test_eigen2support()
57{
58  for(int i = 0; i < g_repeat; i++) {
59    CALL_SUBTEST_1( eigen2support(Matrix<double,1,1>()) );
60    CALL_SUBTEST_2( eigen2support(MatrixXd(1,1)) );
61    CALL_SUBTEST_4( eigen2support(Matrix3f()) );
62    CALL_SUBTEST_5( eigen2support(Matrix4d()) );
63    CALL_SUBTEST_2( eigen2support(MatrixXf(200,200)) );
64    CALL_SUBTEST_6( eigen2support(MatrixXcd(100,100)) );
65  }
66}
67