| // This file is part of Eigen, a lightweight C++ template library |
| // for linear algebra. |
| // |
| // Copyright (C) 2013 Christian Seiler <christian@iwakd.de> |
| // |
| // This Source Code Form is subject to the terms of the Mozilla |
| // Public License v. 2.0. If a copy of the MPL was not distributed |
| // with this file, You can obtain one at http://mozilla.org/MPL/2.0/. |
| |
| #include "main.h" |
| |
| #include <Eigen/CXX11/Tensor> |
| |
| using Eigen::Tensor; |
| using Eigen::RowMajor; |
| |
| static void test_0d() |
| { |
| Tensor<int, 0> scalar1; |
| Tensor<int, 0, RowMajor> scalar2; |
| Tensor<int, 0> scalar3; |
| Tensor<int, 0, RowMajor> scalar4; |
| |
| scalar3.resize(); |
| scalar4.resize(); |
| |
| scalar1() = 7; |
| scalar2() = 13; |
| scalar3.setValues(17); |
| scalar4.setZero(); |
| |
| VERIFY_IS_EQUAL(scalar1.rank(), 0); |
| VERIFY_IS_EQUAL(scalar1.size(), 1); |
| |
| VERIFY_IS_EQUAL(scalar1(), 7); |
| VERIFY_IS_EQUAL(scalar2(), 13); |
| VERIFY_IS_EQUAL(scalar3(), 17); |
| VERIFY_IS_EQUAL(scalar4(), 0); |
| |
| Tensor<int, 0> scalar5(scalar1); |
| |
| VERIFY_IS_EQUAL(scalar5(), 7); |
| VERIFY_IS_EQUAL(scalar5.data()[0], 7); |
| } |
| |
| static void test_1d() |
| { |
| Tensor<int, 1> vec1(6); |
| Tensor<int, 1, RowMajor> vec2(6); |
| Tensor<int, 1> vec3; |
| Tensor<int, 1, RowMajor> vec4; |
| |
| vec3.resize(6); |
| vec4.resize(6); |
| |
| vec1(0) = 4; vec2(0) = 0; vec3(0) = 5; |
| vec1(1) = 8; vec2(1) = 1; vec3(1) = 4; |
| vec1(2) = 15; vec2(2) = 2; vec3(2) = 3; |
| vec1(3) = 16; vec2(3) = 3; vec3(3) = 2; |
| vec1(4) = 23; vec2(4) = 4; vec3(4) = 1; |
| vec1(5) = 42; vec2(5) = 5; vec3(5) = 0; |
| vec4.setZero(); |
| |
| VERIFY_IS_EQUAL((vec1.rank()), 1); |
| VERIFY_IS_EQUAL((vec1.size()), 6); |
| VERIFY_IS_EQUAL((vec1.dimensions()[0]), 6); |
| |
| VERIFY_IS_EQUAL((vec1[0]), 4); |
| VERIFY_IS_EQUAL((vec1[1]), 8); |
| VERIFY_IS_EQUAL((vec1[2]), 15); |
| VERIFY_IS_EQUAL((vec1[3]), 16); |
| VERIFY_IS_EQUAL((vec1[4]), 23); |
| VERIFY_IS_EQUAL((vec1[5]), 42); |
| |
| VERIFY_IS_EQUAL((vec2[0]), 0); |
| VERIFY_IS_EQUAL((vec2[1]), 1); |
| VERIFY_IS_EQUAL((vec2[2]), 2); |
| VERIFY_IS_EQUAL((vec2[3]), 3); |
| VERIFY_IS_EQUAL((vec2[4]), 4); |
| VERIFY_IS_EQUAL((vec2[5]), 5); |
| |
| VERIFY_IS_EQUAL((vec3[0]), 5); |
| VERIFY_IS_EQUAL((vec3[1]), 4); |
| VERIFY_IS_EQUAL((vec3[2]), 3); |
| VERIFY_IS_EQUAL((vec3[3]), 2); |
| VERIFY_IS_EQUAL((vec3[4]), 1); |
| VERIFY_IS_EQUAL((vec3[5]), 0); |
| |
| VERIFY_IS_EQUAL((vec4[0]), 0); |
| VERIFY_IS_EQUAL((vec4[1]), 0); |
| VERIFY_IS_EQUAL((vec4[2]), 0); |
| VERIFY_IS_EQUAL((vec4[3]), 0); |
| VERIFY_IS_EQUAL((vec4[4]), 0); |
| VERIFY_IS_EQUAL((vec4[5]), 0); |
| |
| Tensor<int, 1> vec5(vec1); |
| |
| VERIFY_IS_EQUAL((vec5(0)), 4); |
| VERIFY_IS_EQUAL((vec5(1)), 8); |
| VERIFY_IS_EQUAL((vec5(2)), 15); |
| VERIFY_IS_EQUAL((vec5(3)), 16); |
| VERIFY_IS_EQUAL((vec5(4)), 23); |
| VERIFY_IS_EQUAL((vec5(5)), 42); |
| |
| VERIFY_IS_EQUAL((vec5.data()[0]), 4); |
| VERIFY_IS_EQUAL((vec5.data()[1]), 8); |
| VERIFY_IS_EQUAL((vec5.data()[2]), 15); |
| VERIFY_IS_EQUAL((vec5.data()[3]), 16); |
| VERIFY_IS_EQUAL((vec5.data()[4]), 23); |
| VERIFY_IS_EQUAL((vec5.data()[5]), 42); |
| } |
| |
| static void test_2d() |
| { |
| Tensor<int, 2> mat1(2,3); |
| Tensor<int, 2, RowMajor> mat2(2,3); |
| |
| mat1(0,0) = 0; |
| mat1(0,1) = 1; |
| mat1(0,2) = 2; |
| mat1(1,0) = 3; |
| mat1(1,1) = 4; |
| mat1(1,2) = 5; |
| |
| mat2(0,0) = 0; |
| mat2(0,1) = 1; |
| mat2(0,2) = 2; |
| mat2(1,0) = 3; |
| mat2(1,1) = 4; |
| mat2(1,2) = 5; |
| |
| VERIFY_IS_EQUAL((mat1.rank()), 2); |
| VERIFY_IS_EQUAL((mat1.size()), 6); |
| VERIFY_IS_EQUAL((mat1.dimensions()[0]), 2); |
| VERIFY_IS_EQUAL((mat1.dimensions()[1]), 3); |
| |
| VERIFY_IS_EQUAL((mat2.rank()), 2); |
| VERIFY_IS_EQUAL((mat2.size()), 6); |
| VERIFY_IS_EQUAL((mat2.dimensions()[0]), 2); |
| VERIFY_IS_EQUAL((mat2.dimensions()[1]), 3); |
| |
| VERIFY_IS_EQUAL((mat1.data()[0]), 0); |
| VERIFY_IS_EQUAL((mat1.data()[1]), 3); |
| VERIFY_IS_EQUAL((mat1.data()[2]), 1); |
| VERIFY_IS_EQUAL((mat1.data()[3]), 4); |
| VERIFY_IS_EQUAL((mat1.data()[4]), 2); |
| VERIFY_IS_EQUAL((mat1.data()[5]), 5); |
| |
| VERIFY_IS_EQUAL((mat2.data()[0]), 0); |
| VERIFY_IS_EQUAL((mat2.data()[1]), 1); |
| VERIFY_IS_EQUAL((mat2.data()[2]), 2); |
| VERIFY_IS_EQUAL((mat2.data()[3]), 3); |
| VERIFY_IS_EQUAL((mat2.data()[4]), 4); |
| VERIFY_IS_EQUAL((mat2.data()[5]), 5); |
| } |
| |
| static void test_3d() |
| { |
| Tensor<int, 3> epsilon(3,3,3); |
| epsilon.setZero(); |
| epsilon(0,1,2) = epsilon(2,0,1) = epsilon(1,2,0) = 1; |
| epsilon(2,1,0) = epsilon(0,2,1) = epsilon(1,0,2) = -1; |
| |
| VERIFY_IS_EQUAL((epsilon.size()), 27); |
| VERIFY_IS_EQUAL((epsilon.dimensions()[0]), 3); |
| VERIFY_IS_EQUAL((epsilon.dimensions()[1]), 3); |
| VERIFY_IS_EQUAL((epsilon.dimensions()[2]), 3); |
| |
| VERIFY_IS_EQUAL((epsilon(0,0,0)), 0); |
| VERIFY_IS_EQUAL((epsilon(0,0,1)), 0); |
| VERIFY_IS_EQUAL((epsilon(0,0,2)), 0); |
| VERIFY_IS_EQUAL((epsilon(0,1,0)), 0); |
| VERIFY_IS_EQUAL((epsilon(0,1,1)), 0); |
| VERIFY_IS_EQUAL((epsilon(0,2,0)), 0); |
| VERIFY_IS_EQUAL((epsilon(0,2,2)), 0); |
| VERIFY_IS_EQUAL((epsilon(1,0,0)), 0); |
| VERIFY_IS_EQUAL((epsilon(1,0,1)), 0); |
| VERIFY_IS_EQUAL((epsilon(1,1,0)), 0); |
| VERIFY_IS_EQUAL((epsilon(1,1,1)), 0); |
| VERIFY_IS_EQUAL((epsilon(1,1,2)), 0); |
| VERIFY_IS_EQUAL((epsilon(1,2,1)), 0); |
| VERIFY_IS_EQUAL((epsilon(1,2,2)), 0); |
| VERIFY_IS_EQUAL((epsilon(2,0,0)), 0); |
| VERIFY_IS_EQUAL((epsilon(2,0,2)), 0); |
| VERIFY_IS_EQUAL((epsilon(2,1,1)), 0); |
| VERIFY_IS_EQUAL((epsilon(2,1,2)), 0); |
| VERIFY_IS_EQUAL((epsilon(2,2,0)), 0); |
| VERIFY_IS_EQUAL((epsilon(2,2,1)), 0); |
| VERIFY_IS_EQUAL((epsilon(2,2,2)), 0); |
| |
| VERIFY_IS_EQUAL((epsilon(0,1,2)), 1); |
| VERIFY_IS_EQUAL((epsilon(2,0,1)), 1); |
| VERIFY_IS_EQUAL((epsilon(1,2,0)), 1); |
| VERIFY_IS_EQUAL((epsilon(2,1,0)), -1); |
| VERIFY_IS_EQUAL((epsilon(0,2,1)), -1); |
| VERIFY_IS_EQUAL((epsilon(1,0,2)), -1); |
| |
| array<Eigen::DenseIndex, 3> dims; |
| dims[0] = 2; |
| dims[1] = 3; |
| dims[2] = 4; |
| Tensor<int, 3> t1(dims); |
| Tensor<int, 3, RowMajor> t2(dims); |
| |
| VERIFY_IS_EQUAL((t1.size()), 24); |
| VERIFY_IS_EQUAL((t1.dimensions()[0]), 2); |
| VERIFY_IS_EQUAL((t1.dimensions()[1]), 3); |
| VERIFY_IS_EQUAL((t1.dimensions()[2]), 4); |
| |
| VERIFY_IS_EQUAL((t2.size()), 24); |
| VERIFY_IS_EQUAL((t2.dimensions()[0]), 2); |
| VERIFY_IS_EQUAL((t2.dimensions()[1]), 3); |
| VERIFY_IS_EQUAL((t2.dimensions()[2]), 4); |
| |
| for (int i = 0; i < 2; i++) { |
| for (int j = 0; j < 3; j++) { |
| for (int k = 0; k < 4; k++) { |
| t1(i, j, k) = 100 * i + 10 * j + k; |
| t2(i, j, k) = 100 * i + 10 * j + k; |
| } |
| } |
| } |
| |
| VERIFY_IS_EQUAL((t1.data()[0]), 0); |
| VERIFY_IS_EQUAL((t1.data()[1]), 100); |
| VERIFY_IS_EQUAL((t1.data()[2]), 10); |
| VERIFY_IS_EQUAL((t1.data()[3]), 110); |
| VERIFY_IS_EQUAL((t1.data()[4]), 20); |
| VERIFY_IS_EQUAL((t1.data()[5]), 120); |
| VERIFY_IS_EQUAL((t1.data()[6]), 1); |
| VERIFY_IS_EQUAL((t1.data()[7]), 101); |
| VERIFY_IS_EQUAL((t1.data()[8]), 11); |
| VERIFY_IS_EQUAL((t1.data()[9]), 111); |
| VERIFY_IS_EQUAL((t1.data()[10]), 21); |
| VERIFY_IS_EQUAL((t1.data()[11]), 121); |
| VERIFY_IS_EQUAL((t1.data()[12]), 2); |
| VERIFY_IS_EQUAL((t1.data()[13]), 102); |
| VERIFY_IS_EQUAL((t1.data()[14]), 12); |
| VERIFY_IS_EQUAL((t1.data()[15]), 112); |
| VERIFY_IS_EQUAL((t1.data()[16]), 22); |
| VERIFY_IS_EQUAL((t1.data()[17]), 122); |
| VERIFY_IS_EQUAL((t1.data()[18]), 3); |
| VERIFY_IS_EQUAL((t1.data()[19]), 103); |
| VERIFY_IS_EQUAL((t1.data()[20]), 13); |
| VERIFY_IS_EQUAL((t1.data()[21]), 113); |
| VERIFY_IS_EQUAL((t1.data()[22]), 23); |
| VERIFY_IS_EQUAL((t1.data()[23]), 123); |
| |
| VERIFY_IS_EQUAL((t2.data()[0]), 0); |
| VERIFY_IS_EQUAL((t2.data()[1]), 1); |
| VERIFY_IS_EQUAL((t2.data()[2]), 2); |
| VERIFY_IS_EQUAL((t2.data()[3]), 3); |
| VERIFY_IS_EQUAL((t2.data()[4]), 10); |
| VERIFY_IS_EQUAL((t2.data()[5]), 11); |
| VERIFY_IS_EQUAL((t2.data()[6]), 12); |
| VERIFY_IS_EQUAL((t2.data()[7]), 13); |
| VERIFY_IS_EQUAL((t2.data()[8]), 20); |
| VERIFY_IS_EQUAL((t2.data()[9]), 21); |
| VERIFY_IS_EQUAL((t2.data()[10]), 22); |
| VERIFY_IS_EQUAL((t2.data()[11]), 23); |
| VERIFY_IS_EQUAL((t2.data()[12]), 100); |
| VERIFY_IS_EQUAL((t2.data()[13]), 101); |
| VERIFY_IS_EQUAL((t2.data()[14]), 102); |
| VERIFY_IS_EQUAL((t2.data()[15]), 103); |
| VERIFY_IS_EQUAL((t2.data()[16]), 110); |
| VERIFY_IS_EQUAL((t2.data()[17]), 111); |
| VERIFY_IS_EQUAL((t2.data()[18]), 112); |
| VERIFY_IS_EQUAL((t2.data()[19]), 113); |
| VERIFY_IS_EQUAL((t2.data()[20]), 120); |
| VERIFY_IS_EQUAL((t2.data()[21]), 121); |
| VERIFY_IS_EQUAL((t2.data()[22]), 122); |
| VERIFY_IS_EQUAL((t2.data()[23]), 123); |
| } |
| |
| static void test_simple_assign() |
| { |
| Tensor<int, 3> epsilon(3,3,3); |
| epsilon.setZero(); |
| epsilon(0,1,2) = epsilon(2,0,1) = epsilon(1,2,0) = 1; |
| epsilon(2,1,0) = epsilon(0,2,1) = epsilon(1,0,2) = -1; |
| |
| Tensor<int, 3> e2(3,3,3); |
| e2.setZero(); |
| VERIFY_IS_EQUAL((e2(1,2,0)), 0); |
| |
| e2 = epsilon; |
| VERIFY_IS_EQUAL((e2(1,2,0)), 1); |
| VERIFY_IS_EQUAL((e2(0,1,2)), 1); |
| VERIFY_IS_EQUAL((e2(2,0,1)), 1); |
| VERIFY_IS_EQUAL((e2(2,1,0)), -1); |
| VERIFY_IS_EQUAL((e2(0,2,1)), -1); |
| VERIFY_IS_EQUAL((e2(1,0,2)), -1); |
| } |
| |
| static void test_resize() |
| { |
| Tensor<int, 3> epsilon; |
| epsilon.resize(2,3,7); |
| VERIFY_IS_EQUAL(epsilon.dimension(0), 2); |
| VERIFY_IS_EQUAL(epsilon.dimension(1), 3); |
| VERIFY_IS_EQUAL(epsilon.dimension(2), 7); |
| VERIFY_IS_EQUAL(epsilon.size(), 2*3*7); |
| |
| const int* old_data = epsilon.data(); |
| epsilon.resize(3,2,7); |
| VERIFY_IS_EQUAL(epsilon.dimension(0), 3); |
| VERIFY_IS_EQUAL(epsilon.dimension(1), 2); |
| VERIFY_IS_EQUAL(epsilon.dimension(2), 7); |
| VERIFY_IS_EQUAL(epsilon.size(), 2*3*7); |
| VERIFY_IS_EQUAL(epsilon.data(), old_data); |
| |
| epsilon.resize(3,5,7); |
| VERIFY_IS_EQUAL(epsilon.dimension(0), 3); |
| VERIFY_IS_EQUAL(epsilon.dimension(1), 5); |
| VERIFY_IS_EQUAL(epsilon.dimension(2), 7); |
| VERIFY_IS_EQUAL(epsilon.size(), 3*5*7); |
| } |
| |
| EIGEN_DECLARE_TEST(cxx11_tensor_simple) |
| { |
| CALL_SUBTEST(test_0d()); |
| CALL_SUBTEST(test_1d()); |
| CALL_SUBTEST(test_2d()); |
| CALL_SUBTEST(test_3d()); |
| CALL_SUBTEST(test_simple_assign()); |
| CALL_SUBTEST(test_resize()); |
| } |