eigen2support.cpp
Go to the documentation of this file.
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 
14 template<typename MatrixType> void eigen2support(const MatrixType& m)
15 {
16  typedef typename MatrixType::Scalar Scalar;
17 
18  Index rows = m.rows();
19  Index cols = m.cols();
20 
21  MatrixType m1 = MatrixType::Random(rows, cols),
22  m3(rows, cols);
23 
24  Scalar s1 = internal::random<Scalar>(),
25  s2 = internal::random<Scalar>();
26 
27  // scalar addition
28  VERIFY_IS_APPROX(m1.cwise() + s1, s1 + m1.cwise());
29  VERIFY_IS_APPROX(m1.cwise() + s1, MatrixType::Constant(rows,cols,s1) + m1);
30  VERIFY_IS_APPROX((m1*Scalar(2)).cwise() - s2, (m1+m1) - MatrixType::Constant(rows,cols,s2) );
31  m3 = m1;
32  m3.cwise() += s2;
33  VERIFY_IS_APPROX(m3, m1.cwise() + s2);
34  m3 = m1;
35  m3.cwise() -= s1;
36  VERIFY_IS_APPROX(m3, m1.cwise() - s1);
37 
38  VERIFY_IS_EQUAL((m1.corner(TopLeft,1,1)), (m1.block(0,0,1,1)));
39  VERIFY_IS_EQUAL((m1.template corner<1,1>(TopLeft)), (m1.template block<1,1>(0,0)));
40  VERIFY_IS_EQUAL((m1.col(0).start(1)), (m1.col(0).segment(0,1)));
41  VERIFY_IS_EQUAL((m1.col(0).template start<1>()), (m1.col(0).segment(0,1)));
42  VERIFY_IS_EQUAL((m1.col(0).end(1)), (m1.col(0).segment(rows-1,1)));
43  VERIFY_IS_EQUAL((m1.col(0).template end<1>()), (m1.col(0).segment(rows-1,1)));
44 
45  using std::cos;
46  using numext::real;
47  using numext::abs2;
48  VERIFY_IS_EQUAL(ei_cos(s1), cos(s1));
49  VERIFY_IS_EQUAL(ei_real(s1), real(s1));
50  VERIFY_IS_EQUAL(ei_abs2(s1), abs2(s1));
51 
52  m1.minor(0,0);
53 }
54 
56 {
57  for(int i = 0; i < g_repeat; i++) {
59  CALL_SUBTEST_2( eigen2support(MatrixXd(1,1)) );
60  CALL_SUBTEST_4( eigen2support(Matrix3f()) );
61  CALL_SUBTEST_5( eigen2support(Matrix4d()) );
62  CALL_SUBTEST_2( eigen2support(MatrixXf(200,200)) );
63  CALL_SUBTEST_6( eigen2support(MatrixXcd(100,100)) );
64  }
65 }
MatrixType
MatrixXf MatrixType
Definition: benchmark-blocking-sizes.cpp:52
VERIFY_IS_EQUAL
#define VERIFY_IS_EQUAL(a, b)
Definition: main.h:386
m1
Matrix3d m1
Definition: IOFormat.cpp:2
real
float real
Definition: datatypes.h:10
abs2
EIGEN_DEVICE_FUNC const EIGEN_STRONG_INLINE Abs2ReturnType abs2() const
Definition: ArrayCwiseUnaryOps.h:80
rows
int rows
Definition: Tutorial_commainit_02.cpp:1
ceres::cos
Jet< T, N > cos(const Jet< T, N > &f)
Definition: jet.h:426
CALL_SUBTEST_4
#define CALL_SUBTEST_4(FUNC)
Definition: split_test_helper.h:22
EIGEN_DECLARE_TEST
EIGEN_DECLARE_TEST(eigen2support)
Definition: eigen2support.cpp:55
CALL_SUBTEST_1
#define CALL_SUBTEST_1(FUNC)
Definition: split_test_helper.h:4
ceres::ei_abs2
Jet< T, N > ei_abs2(const Jet< T, N > &x)
Definition: jet.h:614
CALL_SUBTEST_5
#define CALL_SUBTEST_5(FUNC)
Definition: split_test_helper.h:28
Eigen::g_repeat
static int g_repeat
Definition: main.h:169
m
Matrix3f m
Definition: AngleAxis_mimic_euler.cpp:1
CALL_SUBTEST_6
#define CALL_SUBTEST_6(FUNC)
Definition: split_test_helper.h:34
CALL_SUBTEST_2
#define CALL_SUBTEST_2(FUNC)
Definition: split_test_helper.h:10
VERIFY_IS_APPROX
#define VERIFY_IS_APPROX(a, b)
Definition: integer_types.cpp:15
ceres::ei_cos
Jet< T, N > ei_cos(const Jet< T, N > &x)
Definition: jet.h:619
m3
static const DiscreteKey m3(M(3), 2)
main.h
Eigen::Matrix
The matrix class, also used for vectors and row-vectors.
Definition: 3rdparty/Eigen/Eigen/src/Core/Matrix.h:178
cols
int cols
Definition: Tutorial_commainit_02.cpp:1
ceres::ei_real
const Jet< T, N > & ei_real(const Jet< T, N > &x)
Definition: jet.h:611
i
int i
Definition: BiCGSTAB_step_by_step.cpp:9
eigen2support
void eigen2support(const MatrixType &m)
Definition: eigen2support.cpp:14
Scalar
SCALAR Scalar
Definition: bench_gemm.cpp:46
Eigen::Index
EIGEN_DEFAULT_DENSE_INDEX_TYPE Index
The Index type as used for the API.
Definition: Meta.h:74


gtsam
Author(s):
autogenerated on Fri Nov 1 2024 03:32:28