1 // This file is part of Eigen, a lightweight C++ template library
2 // for linear algebra.
3 //
4 // Copyright (C) 2014 Benoit Steiner <benoit.steiner.goog@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 #include "main.h"
11
12 #include <Eigen/CXX11/Tensor>
13 using Eigen::Tensor;
14
15
test_simple_assign()16 static void test_simple_assign()
17 {
18 Tensor<int, 3> random(2,3,7);
19 random.setRandom();
20
21 TensorMap<Tensor<const int, 3> > constant(random.data(), 2, 3, 7);
22 Tensor<int, 3> result(2,3,7);
23 result = constant;
24
25 for (int i = 0; i < 2; ++i) {
26 for (int j = 0; j < 3; ++j) {
27 for (int k = 0; k < 7; ++k) {
28 VERIFY_IS_EQUAL((result(i,j,k)), random(i,j,k));
29 }
30 }
31 }
32 }
33
34
test_assign_of_const_tensor()35 static void test_assign_of_const_tensor()
36 {
37 Tensor<int, 3> random(2,3,7);
38 random.setRandom();
39
40 TensorMap<Tensor<const int, 3> > constant1(random.data(), 2, 3, 7);
41 TensorMap<const Tensor<int, 3> > constant2(random.data(), 2, 3, 7);
42 const TensorMap<Tensor<int, 3> > constant3(random.data(), 2, 3, 7);
43
44 Tensor<int, 2> result1 = constant1.chip(0, 2);
45 Tensor<int, 2> result2 = constant2.chip(0, 2);
46 Tensor<int, 2> result3 = constant3.chip(0, 2);
47
48 for (int i = 0; i < 2; ++i) {
49 for (int j = 0; j < 3; ++j) {
50 VERIFY_IS_EQUAL((result1(i,j)), random(i,j,0));
51 VERIFY_IS_EQUAL((result2(i,j)), random(i,j,0));
52 VERIFY_IS_EQUAL((result3(i,j)), random(i,j,0));
53 }
54 }
55 }
56
57
test_cxx11_tensor_const()58 void test_cxx11_tensor_const()
59 {
60 CALL_SUBTEST(test_simple_assign());
61 CALL_SUBTEST(test_assign_of_const_tensor());
62 }
63