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 (at) 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 using Eigen::RowMajor; 16 17 18 static void test_0d() 19 { 20 TensorFixedSize<float, Sizes<> > scalar1; 21 TensorFixedSize<float, Sizes<>, RowMajor> scalar2; 22 VERIFY_IS_EQUAL(scalar1.rank(), 0); 23 VERIFY_IS_EQUAL(scalar1.size(), 1); 24 VERIFY_IS_EQUAL(array_prod(scalar1.dimensions()), 1); 25 26 scalar1() = 7.0; 27 scalar2() = 13.0; 28 29 // Test against shallow copy. 30 TensorFixedSize<float, Sizes<> > copy = scalar1; 31 VERIFY_IS_NOT_EQUAL(scalar1.data(), copy.data()); 32 VERIFY_IS_APPROX(scalar1(), copy()); 33 copy = scalar1; 34 VERIFY_IS_NOT_EQUAL(scalar1.data(), copy.data()); 35 VERIFY_IS_APPROX(scalar1(), copy()); 36 37 TensorFixedSize<float, Sizes<> > scalar3 = scalar1.sqrt(); 38 TensorFixedSize<float, Sizes<>, RowMajor> scalar4 = scalar2.sqrt(); 39 VERIFY_IS_EQUAL(scalar3.rank(), 0); 40 VERIFY_IS_APPROX(scalar3(), sqrtf(7.0)); 41 VERIFY_IS_APPROX(scalar4(), sqrtf(13.0)); 42 43 scalar3 = scalar1 + scalar2; 44 VERIFY_IS_APPROX(scalar3(), 7.0f + 13.0f); 45 } 46 47 static void test_1d() 48 { 49 TensorFixedSize<float, Sizes<6> > vec1; 50 TensorFixedSize<float, Sizes<6>, RowMajor> vec2; 51 52 VERIFY_IS_EQUAL((vec1.size()), 6); 53 // VERIFY_IS_EQUAL((vec1.dimensions()[0]), 6); 54 // VERIFY_IS_EQUAL((vec1.dimension(0)), 6); 55 56 vec1(0) = 4.0; vec2(0) = 0.0; 57 vec1(1) = 8.0; vec2(1) = 1.0; 58 vec1(2) = 15.0; vec2(2) = 2.0; 59 vec1(3) = 16.0; vec2(3) = 3.0; 60 vec1(4) = 23.0; vec2(4) = 4.0; 61 vec1(5) = 42.0; vec2(5) = 5.0; 62 63 // Test against shallow copy. 64 TensorFixedSize<float, Sizes<6> > copy = vec1; 65 VERIFY_IS_NOT_EQUAL(vec1.data(), copy.data()); 66 for (int i = 0; i < 6; ++i) { 67 VERIFY_IS_APPROX(vec1(i), copy(i)); 68 } 69 copy = vec1; 70 VERIFY_IS_NOT_EQUAL(vec1.data(), copy.data()); 71 for (int i = 0; i < 6; ++i) { 72 VERIFY_IS_APPROX(vec1(i), copy(i)); 73 } 74 75 TensorFixedSize<float, Sizes<6> > vec3 = vec1.sqrt(); 76 TensorFixedSize<float, Sizes<6>, RowMajor> vec4 = vec2.sqrt(); 77 78 VERIFY_IS_EQUAL((vec3.size()), 6); 79 VERIFY_IS_EQUAL(vec3.rank(), 1); 80 // VERIFY_IS_EQUAL((vec3.dimensions()[0]), 6); 81 // VERIFY_IS_EQUAL((vec3.dimension(0)), 6); 82 83 VERIFY_IS_APPROX(vec3(0), sqrtf(4.0)); 84 VERIFY_IS_APPROX(vec3(1), sqrtf(8.0)); 85 VERIFY_IS_APPROX(vec3(2), sqrtf(15.0)); 86 VERIFY_IS_APPROX(vec3(3), sqrtf(16.0)); 87 VERIFY_IS_APPROX(vec3(4), sqrtf(23.0)); 88 VERIFY_IS_APPROX(vec3(5), sqrtf(42.0)); 89 90 VERIFY_IS_APPROX(vec4(0), sqrtf(0.0)); 91 VERIFY_IS_APPROX(vec4(1), sqrtf(1.0)); 92 VERIFY_IS_APPROX(vec4(2), sqrtf(2.0)); 93 VERIFY_IS_APPROX(vec4(3), sqrtf(3.0)); 94 VERIFY_IS_APPROX(vec4(4), sqrtf(4.0)); 95 VERIFY_IS_APPROX(vec4(5), sqrtf(5.0)); 96 97 vec3 = vec1 + vec2; 98 VERIFY_IS_APPROX(vec3(0), 4.0f + 0.0f); 99 VERIFY_IS_APPROX(vec3(1), 8.0f + 1.0f); 100 VERIFY_IS_APPROX(vec3(2), 15.0f + 2.0f); 101 VERIFY_IS_APPROX(vec3(3), 16.0f + 3.0f); 102 VERIFY_IS_APPROX(vec3(4), 23.0f + 4.0f); 103 VERIFY_IS_APPROX(vec3(5), 42.0f + 5.0f); 104 } 105 106 static void test_tensor_map() 107 { 108 TensorFixedSize<float, Sizes<6> > vec1; 109 TensorFixedSize<float, Sizes<6>, RowMajor> vec2; 110 111 vec1(0) = 4.0; vec2(0) = 0.0; 112 vec1(1) = 8.0; vec2(1) = 1.0; 113 vec1(2) = 15.0; vec2(2) = 2.0; 114 vec1(3) = 16.0; vec2(3) = 3.0; 115 vec1(4) = 23.0; vec2(4) = 4.0; 116 vec1(5) = 42.0; vec2(5) = 5.0; 117 118 float data3[6]; 119 TensorMap<TensorFixedSize<float, Sizes<6> > > vec3(data3, 6); 120 vec3 = vec1.sqrt() + vec2; 121 122 VERIFY_IS_APPROX(vec3(0), sqrtf(4.0)); 123 VERIFY_IS_APPROX(vec3(1), sqrtf(8.0) + 1.0f); 124 VERIFY_IS_APPROX(vec3(2), sqrtf(15.0) + 2.0f); 125 VERIFY_IS_APPROX(vec3(3), sqrtf(16.0) + 3.0f); 126 VERIFY_IS_APPROX(vec3(4), sqrtf(23.0) + 4.0f); 127 VERIFY_IS_APPROX(vec3(5), sqrtf(42.0) + 5.0f); 128 } 129 130 static void test_2d() 131 { 132 float data1[6]; 133 TensorMap<TensorFixedSize<float, Sizes<2, 3> > > mat1(data1,2,3); 134 float data2[6]; 135 TensorMap<TensorFixedSize<float, Sizes<2, 3>, RowMajor> > mat2(data2,2,3); 136 137 VERIFY_IS_EQUAL((mat1.size()), 2*3); 138 VERIFY_IS_EQUAL(mat1.rank(), 2); 139 // VERIFY_IS_EQUAL((mat1.dimension(0)), 2); 140 // VERIFY_IS_EQUAL((mat1.dimension(1)), 3); 141 142 mat1(0,0) = 0.0; 143 mat1(0,1) = 1.0; 144 mat1(0,2) = 2.0; 145 mat1(1,0) = 3.0; 146 mat1(1,1) = 4.0; 147 mat1(1,2) = 5.0; 148 149 mat2(0,0) = -0.0; 150 mat2(0,1) = -1.0; 151 mat2(0,2) = -2.0; 152 mat2(1,0) = -3.0; 153 mat2(1,1) = -4.0; 154 mat2(1,2) = -5.0; 155 156 TensorFixedSize<float, Sizes<2, 3> > mat3; 157 TensorFixedSize<float, Sizes<2, 3>, RowMajor> mat4; 158 mat3 = mat1.abs(); 159 mat4 = mat2.abs(); 160 161 VERIFY_IS_EQUAL((mat3.size()), 2*3); 162 // VERIFY_IS_EQUAL((mat3.dimension(0)), 2); 163 // VERIFY_IS_EQUAL((mat3.dimension(1)), 3); 164 165 VERIFY_IS_APPROX(mat3(0,0), 0.0f); 166 VERIFY_IS_APPROX(mat3(0,1), 1.0f); 167 VERIFY_IS_APPROX(mat3(0,2), 2.0f); 168 VERIFY_IS_APPROX(mat3(1,0), 3.0f); 169 VERIFY_IS_APPROX(mat3(1,1), 4.0f); 170 VERIFY_IS_APPROX(mat3(1,2), 5.0f); 171 172 VERIFY_IS_APPROX(mat4(0,0), 0.0f); 173 VERIFY_IS_APPROX(mat4(0,1), 1.0f); 174 VERIFY_IS_APPROX(mat4(0,2), 2.0f); 175 VERIFY_IS_APPROX(mat4(1,0), 3.0f); 176 VERIFY_IS_APPROX(mat4(1,1), 4.0f); 177 VERIFY_IS_APPROX(mat4(1,2), 5.0f); 178 } 179 180 static void test_3d() 181 { 182 TensorFixedSize<float, Sizes<2, 3, 7> > mat1; 183 TensorFixedSize<float, Sizes<2, 3, 7>, RowMajor> mat2; 184 185 VERIFY_IS_EQUAL((mat1.size()), 2*3*7); 186 VERIFY_IS_EQUAL(mat1.rank(), 3); 187 // VERIFY_IS_EQUAL((mat1.dimension(0)), 2); 188 // VERIFY_IS_EQUAL((mat1.dimension(1)), 3); 189 // VERIFY_IS_EQUAL((mat1.dimension(2)), 7); 190 191 float val = 0.0f; 192 for (int i = 0; i < 2; ++i) { 193 for (int j = 0; j < 3; ++j) { 194 for (int k = 0; k < 7; ++k) { 195 mat1(i,j,k) = val; 196 mat2(i,j,k) = val; 197 val += 1.0f; 198 } 199 } 200 } 201 202 TensorFixedSize<float, Sizes<2, 3, 7> > mat3; 203 mat3 = mat1.sqrt(); 204 TensorFixedSize<float, Sizes<2, 3, 7>, RowMajor> mat4; 205 mat4 = mat2.sqrt(); 206 207 VERIFY_IS_EQUAL((mat3.size()), 2*3*7); 208 // VERIFY_IS_EQUAL((mat3.dimension(0)), 2); 209 // VERIFY_IS_EQUAL((mat3.dimension(1)), 3); 210 // VERIFY_IS_EQUAL((mat3.dimension(2)), 7); 211 212 213 val = 0.0f; 214 for (int i = 0; i < 2; ++i) { 215 for (int j = 0; j < 3; ++j) { 216 for (int k = 0; k < 7; ++k) { 217 VERIFY_IS_APPROX(mat3(i,j,k), sqrtf(val)); 218 VERIFY_IS_APPROX(mat4(i,j,k), sqrtf(val)); 219 val += 1.0f; 220 } 221 } 222 } 223 } 224 225 226 static void test_array() 227 { 228 TensorFixedSize<float, Sizes<2, 3, 7> > mat1; 229 float val = 0.0f; 230 for (int i = 0; i < 2; ++i) { 231 for (int j = 0; j < 3; ++j) { 232 for (int k = 0; k < 7; ++k) { 233 mat1(i,j,k) = val; 234 val += 1.0f; 235 } 236 } 237 } 238 239 TensorFixedSize<float, Sizes<2, 3, 7> > mat3; 240 mat3 = mat1.pow(3.5f); 241 242 val = 0.0f; 243 for (int i = 0; i < 2; ++i) { 244 for (int j = 0; j < 3; ++j) { 245 for (int k = 0; k < 7; ++k) { 246 VERIFY_IS_APPROX(mat3(i,j,k), powf(val, 3.5f)); 247 val += 1.0f; 248 } 249 } 250 } 251 } 252 253 void test_cxx11_tensor_fixed_size() 254 { 255 CALL_SUBTEST(test_0d()); 256 CALL_SUBTEST(test_1d()); 257 CALL_SUBTEST(test_tensor_map()); 258 CALL_SUBTEST(test_2d()); 259 CALL_SUBTEST(test_3d()); 260 CALL_SUBTEST(test_array()); 261 } 262
