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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 
14 using Eigen::Tensor;
15 
16 
test_dynamic_size()17 static void test_dynamic_size()
18 {
19   Eigen::DSizes<int, 3> dimensions(2,3,7);
20 
21   VERIFY_IS_EQUAL((int)Eigen::internal::array_get<0>(dimensions), 2);
22   VERIFY_IS_EQUAL((int)Eigen::internal::array_get<1>(dimensions), 3);
23   VERIFY_IS_EQUAL((int)Eigen::internal::array_get<2>(dimensions), 7);
24   VERIFY_IS_EQUAL((int)dimensions.TotalSize(), 2*3*7);
25   VERIFY_IS_EQUAL((int)dimensions[0], 2);
26   VERIFY_IS_EQUAL((int)dimensions[1], 3);
27   VERIFY_IS_EQUAL((int)dimensions[2], 7);
28 }
29 
test_fixed_size()30 static void test_fixed_size()
31 {
32   Eigen::Sizes<2,3,7> dimensions;
33 
34   VERIFY_IS_EQUAL((int)Eigen::internal::array_get<0>(dimensions), 2);
35   VERIFY_IS_EQUAL((int)Eigen::internal::array_get<1>(dimensions), 3);
36   VERIFY_IS_EQUAL((int)Eigen::internal::array_get<2>(dimensions), 7);
37   VERIFY_IS_EQUAL((int)dimensions.TotalSize(), 2*3*7);
38 }
39 
test_match()40 static void test_match()
41 {
42   Eigen::DSizes<unsigned int, 3> dyn((unsigned int)2,(unsigned int)3,(unsigned int)7);
43   Eigen::Sizes<2,3,7> stat;
44   VERIFY_IS_EQUAL(Eigen::dimensions_match(dyn, stat), true);
45 
46   Eigen::DSizes<int, 3> dyn1(2,3,7);
47   Eigen::DSizes<int, 2> dyn2(2,3);
48   VERIFY_IS_EQUAL(Eigen::dimensions_match(dyn1, dyn2), false);
49 }
50 
test_rank_zero()51 static void test_rank_zero()
52 {
53   Eigen::Sizes<> scalar;
54   VERIFY_IS_EQUAL((int)scalar.TotalSize(), 1);
55   VERIFY_IS_EQUAL((int)scalar.rank(), 0);
56   VERIFY_IS_EQUAL((int)internal::array_prod(scalar), 1);
57 
58   Eigen::DSizes<ptrdiff_t, 0> dscalar;
59   VERIFY_IS_EQUAL((int)dscalar.TotalSize(), 1);
60   VERIFY_IS_EQUAL((int)dscalar.rank(), 0);
61 }
62 
test_cxx11_tensor_dimension()63 void test_cxx11_tensor_dimension()
64 {
65   CALL_SUBTEST(test_dynamic_size());
66   CALL_SUBTEST(test_fixed_size());
67   CALL_SUBTEST(test_match());
68   CALL_SUBTEST(test_rank_zero());
69 }
70