|
| 1 | +#define BOOST_TEST_DYN_LINK |
| 2 | + |
| 3 | +#include <limits> |
| 4 | +#include <type_traits> |
| 5 | + |
| 6 | +#include <boost/test/unit_test.hpp> |
| 7 | + |
| 8 | +//************************************************** |
| 9 | +//* Test for the traceless forward mode |
| 10 | +//* based on adolc::ADValue |
| 11 | +//* |
| 12 | +//* Author: Carsten Graeser |
| 13 | +//************************************************** |
| 14 | + |
| 15 | +//************************************************** |
| 16 | +//* Using ADValue requires C++20 or later |
| 17 | +//************************************************** |
| 18 | +#if __cplusplus >= 202002L |
| 19 | + |
| 20 | +#include <adolc/advalue.h> |
| 21 | + |
| 22 | +//************************************************** |
| 23 | +//* Some utilities for testing |
| 24 | +//************************************************** |
| 25 | + |
| 26 | +/** |
| 27 | + * \brief Helper function for checking an ADValue |
| 28 | + * |
| 29 | + * \param checkDim Correct dimension of argument space |
| 30 | + * \param value Correct value |
| 31 | + */ |
| 32 | +template <class T, std::size_t order, std::size_t dim> |
| 33 | +void check(const adolc::ADValue<T, order, dim> &adValue, std::size_t checkDim, |
| 34 | + T value) { |
| 35 | + BOOST_TEST(adValue.dimension() == checkDim); |
| 36 | + // Check value |
| 37 | + BOOST_TEST(adValue.partial() == value); |
| 38 | +} |
| 39 | + |
| 40 | +/** |
| 41 | + * \brief Helper function for checking an ADValue |
| 42 | + * |
| 43 | + * \param checkDim Correct dimension of argument space |
| 44 | + * \param value Correct value |
| 45 | + * \param d Unary callback computing correct first order partial derivatives |
| 46 | + */ |
| 47 | +template <class T, std::size_t order, std::size_t dim, class D_Callback> |
| 48 | +void check(const adolc::ADValue<T, order, dim> &adValue, std::size_t checkDim, |
| 49 | + T value, D_Callback &&d) { |
| 50 | + check(adValue, checkDim, value); |
| 51 | + // Check 1st order derivatives |
| 52 | + if constexpr (order >= 1) |
| 53 | + for (std::size_t i = 0; i < adValue.dimension(); ++i) |
| 54 | + BOOST_TEST(adValue.partial(i) == d(i)); |
| 55 | +} |
| 56 | + |
| 57 | +/** |
| 58 | + * \brief Helper function for checking an ADValue |
| 59 | + * |
| 60 | + * \param checkDim Correct dimension of argument space |
| 61 | + * \param value Correct value |
| 62 | + * \param d Unary callback computing correct first order partial derivatives |
| 63 | + * \param dd Binary callback computing correct second order partial derivatives |
| 64 | + */ |
| 65 | +template <class T, std::size_t order, std::size_t dim, class D_Callback, |
| 66 | + class DD_Callback> |
| 67 | +void check(const adolc::ADValue<T, order, dim> &adValue, std::size_t checkDim, |
| 68 | + T value, D_Callback &&d, DD_Callback &&dd) { |
| 69 | + check(adValue, checkDim, value, d); |
| 70 | + // Check 2nd order derivatives |
| 71 | + if constexpr (order >= 2) |
| 72 | + for (std::size_t i = 0; i < adValue.dimension(); ++i) |
| 73 | + for (std::size_t j = 0; j < adValue.dimension(); ++j) |
| 74 | + BOOST_TEST(adValue.partial(i, j) == dd(i, j)); |
| 75 | +} |
| 76 | + |
| 77 | +/** |
| 78 | + * \brief Helper function object returning zero for any input arguments |
| 79 | + */ |
| 80 | +constexpr auto zero = [](auto... i) { return 0; }; |
| 81 | + |
| 82 | +/** |
| 83 | + * \brief Create example value of static size |
| 84 | + * |
| 85 | + * The resulting ADValue's value is set to seed, |
| 86 | + * while the (i0,...in)-th partial derivative |
| 87 | + * is seed*i0*...*in. |
| 88 | + */ |
| 89 | +template <class T, std::size_t order, std::size_t dim> |
| 90 | +auto exampleValue(T seed) { |
| 91 | + auto x = adolc::ADValue<T, order, dim>(); |
| 92 | + x.partial() = seed; |
| 93 | + if constexpr (order >= 1) { |
| 94 | + for (std::size_t i = 0; i < dim; ++i) |
| 95 | + x.partial(i) = seed * i; |
| 96 | + } |
| 97 | + if constexpr (order >= 2) { |
| 98 | + for (std::size_t i = 0; i < dim; ++i) |
| 99 | + for (std::size_t j = 0; j < dim; ++j) |
| 100 | + x.partial(i, j) = seed * i * j; |
| 101 | + } |
| 102 | + return x; |
| 103 | +} |
| 104 | + |
| 105 | +/** |
| 106 | + * \brief Create example value of dynamic size |
| 107 | + * |
| 108 | + * The resulting ADValue's value is set to seed, |
| 109 | + * while the (i0,...in)-th partial derivative |
| 110 | + * is seed*i0*...*in. |
| 111 | + */ |
| 112 | +template <class T, std::size_t order> |
| 113 | +auto exampleValue(std::size_t dim, T seed) { |
| 114 | + auto x = adolc::ADValue<T, order, adolc::dynamicDim>(0, 0, dim); |
| 115 | + x.partial() = seed; |
| 116 | + if constexpr (order >= 1) { |
| 117 | + for (std::size_t i = 0; i < dim; ++i) |
| 118 | + x.partial(i) = seed * i; |
| 119 | + } |
| 120 | + if constexpr (order >= 2) { |
| 121 | + for (std::size_t i = 0; i < dim; ++i) |
| 122 | + for (std::size_t j = 0; j < dim; ++j) |
| 123 | + x.partial(i, j) = seed * i * j; |
| 124 | + } |
| 125 | + return x; |
| 126 | +} |
| 127 | + |
| 128 | +/** |
| 129 | + * \brief Call check with a few combinations of base type order and dimension |
| 130 | + */ |
| 131 | +template <class Check> void defaultTestSuite(Check &&checkCallBack) { |
| 132 | + checkCallBack.template operator()<double, 0, 0>(); |
| 133 | + checkCallBack.template operator()<double, 0, 1>(); |
| 134 | + checkCallBack.template operator()<double, 0, 2>(); |
| 135 | + checkCallBack.template operator()<double, 0, 3>(); |
| 136 | + checkCallBack.template operator()<double, 1, 0>(); |
| 137 | + checkCallBack.template operator()<double, 1, 1>(); |
| 138 | + checkCallBack.template operator()<double, 1, 2>(); |
| 139 | + checkCallBack.template operator()<double, 1, 3>(); |
| 140 | + checkCallBack.template operator()<double, 2, 0>(); |
| 141 | + checkCallBack.template operator()<double, 2, 1>(); |
| 142 | + checkCallBack.template operator()<double, 2, 2>(); |
| 143 | + checkCallBack.template operator()<double, 2, 3>(); |
| 144 | + |
| 145 | + checkCallBack.template operator()<float, 0, 0>(); |
| 146 | + checkCallBack.template operator()<float, 0, 1>(); |
| 147 | + checkCallBack.template operator()<float, 0, 2>(); |
| 148 | + checkCallBack.template operator()<float, 0, 3>(); |
| 149 | + checkCallBack.template operator()<float, 1, 0>(); |
| 150 | + checkCallBack.template operator()<float, 1, 1>(); |
| 151 | + checkCallBack.template operator()<float, 1, 2>(); |
| 152 | + checkCallBack.template operator()<float, 1, 3>(); |
| 153 | + checkCallBack.template operator()<float, 2, 0>(); |
| 154 | + checkCallBack.template operator()<float, 2, 1>(); |
| 155 | + checkCallBack.template operator()<float, 2, 2>(); |
| 156 | + checkCallBack.template operator()<float, 2, 3>(); |
| 157 | +} |
| 158 | + |
| 159 | +//************************************************** |
| 160 | +//* Test of individual feature of ADValue |
| 161 | +//************************************************** |
| 162 | + |
| 163 | +BOOST_AUTO_TEST_SUITE(traceless_vector) |
| 164 | + |
| 165 | +BOOST_AUTO_TEST_CASE(ADValueConstructor) { |
| 166 | + defaultTestSuite([]<class T, std::size_t order, std::size_t dim>() { |
| 167 | + // Check default dimension value |
| 168 | + using ADValue_dynamic = adolc::ADValue<T, order, adolc::dynamicDim>; |
| 169 | + using ADValue_default = adolc::ADValue<T, order>; |
| 170 | + BOOST_TEST((std::is_same_v<ADValue_dynamic, ADValue_default>)); |
| 171 | + |
| 172 | + // Construct as constant |
| 173 | + T x = 42; |
| 174 | + check(adolc::ADValue<T, order, dim>(x), dim, x, zero, zero); |
| 175 | + check(adolc::ADValue<T, order, adolc::dynamicDim>(x), 0, x, zero, zero); |
| 176 | + |
| 177 | + if constexpr (order >= 1) { |
| 178 | + // Construct as k-th input argument |
| 179 | + for (std::size_t k = 0; k < dim; ++k) { |
| 180 | + auto D = [&](auto i) { return i == k; }; |
| 181 | + check(adolc::ADValue<T, order, dim>(x, k), dim, x, D, zero); |
| 182 | + check(adolc::ADValue<T, order, adolc::dynamicDim>(x, k, dim), dim, x, D, |
| 183 | + zero); |
| 184 | + } |
| 185 | + } |
| 186 | + }); |
| 187 | +} |
| 188 | + |
| 189 | +BOOST_AUTO_TEST_CASE(ADValueAssign) { |
| 190 | + defaultTestSuite([]<class T, std::size_t order, std::size_t dim>() { |
| 191 | + T aValue = 42; |
| 192 | + T bValue = 23; |
| 193 | + T cValue = 237; |
| 194 | + |
| 195 | + { |
| 196 | + auto a = adolc::ADValue<T, order, dim>(aValue); |
| 197 | + auto b = adolc::ADValue<T, order, dim>(bValue); |
| 198 | + check(a, dim, aValue, zero, zero); |
| 199 | + a = b; |
| 200 | + check(a, dim, bValue, zero, zero); |
| 201 | + a = cValue; |
| 202 | + check(a, dim, cValue, zero, zero); |
| 203 | + } |
| 204 | + { |
| 205 | + auto a = adolc::ADValue<T, order, adolc::dynamicDim>(aValue); |
| 206 | + auto b = adolc::ADValue<T, order, adolc::dynamicDim>(bValue); |
| 207 | + check(a, 0, aValue, zero, zero); |
| 208 | + a = b; |
| 209 | + check(a, 0, bValue, zero, zero); |
| 210 | + a = cValue; |
| 211 | + check(a, 0, cValue, zero, zero); |
| 212 | + } |
| 213 | + |
| 214 | + if (dim > 0) { |
| 215 | + { |
| 216 | + auto a = adolc::ADValue<T, order, dim>(aValue, 0); |
| 217 | + auto b = adolc::ADValue<T, order, dim>(bValue, dim - 1); |
| 218 | + check(a, dim, aValue, [](auto i) { return i == 0; }, zero); |
| 219 | + a = b; |
| 220 | + check(a, dim, bValue, [](auto i) { return i == (dim - 1); }, zero); |
| 221 | + a = cValue; |
| 222 | + check(a, dim, cValue, zero, zero); |
| 223 | + } |
| 224 | + { |
| 225 | + auto a = adolc::ADValue<T, order, adolc::dynamicDim>(aValue, 0, 1); |
| 226 | + auto b = |
| 227 | + adolc::ADValue<T, order, adolc::dynamicDim>(bValue, dim - 1, dim); |
| 228 | + check(a, 1, aValue, [](auto i) { return i == 0; }, zero); |
| 229 | + a = b; |
| 230 | + check(a, dim, bValue, [](auto i) { return i == (dim - 1); }, zero); |
| 231 | + a = cValue; |
| 232 | + check(a, dim, cValue, zero, zero); |
| 233 | + } |
| 234 | + } |
| 235 | + }); |
| 236 | +} |
| 237 | + |
| 238 | +BOOST_AUTO_TEST_CASE(ADValueSum) { |
| 239 | + defaultTestSuite([]<class T, std::size_t order, std::size_t dim>() { |
| 240 | + T aValue = 42; |
| 241 | + T bValue = 23; |
| 242 | + |
| 243 | + { |
| 244 | + auto a = exampleValue<T, order, dim>(aValue); |
| 245 | + auto b = exampleValue<T, order, dim>(bValue); |
| 246 | + |
| 247 | + auto c = a + b; |
| 248 | + check( |
| 249 | + c, dim, aValue + bValue, |
| 250 | + [&](auto i) { return (aValue + bValue) * i; }, |
| 251 | + [&](auto i, auto j) { return (aValue + bValue) * i * j; }); |
| 252 | + |
| 253 | + auto d = a; |
| 254 | + d += b; |
| 255 | + check( |
| 256 | + d, dim, aValue + bValue, |
| 257 | + [&](auto i) { return (aValue + bValue) * i; }, |
| 258 | + [&](auto i, auto j) { return (aValue + bValue) * i * j; }); |
| 259 | + } |
| 260 | + |
| 261 | + { |
| 262 | + auto a = exampleValue<T, order>(dim, aValue); |
| 263 | + auto b = exampleValue<T, order>(dim, bValue); |
| 264 | + |
| 265 | + auto c = a + b; |
| 266 | + check( |
| 267 | + c, dim, aValue + bValue, |
| 268 | + [&](auto i) { return (aValue + bValue) * i; }, |
| 269 | + [&](auto i, auto j) { return (aValue + bValue) * i * j; }); |
| 270 | + |
| 271 | + auto d = a; |
| 272 | + d += b; |
| 273 | + check( |
| 274 | + d, dim, aValue + bValue, |
| 275 | + [&](auto i) { return (aValue + bValue) * i; }, |
| 276 | + [&](auto i, auto j) { return (aValue + bValue) * i * j; }); |
| 277 | + } |
| 278 | + }); |
| 279 | +} |
| 280 | + |
| 281 | +BOOST_AUTO_TEST_CASE(ADValueDiff) { |
| 282 | + defaultTestSuite([]<class T, std::size_t order, std::size_t dim>() { |
| 283 | + T aValue = 42; |
| 284 | + T bValue = 23; |
| 285 | + |
| 286 | + { |
| 287 | + auto a = exampleValue<T, order, dim>(aValue); |
| 288 | + auto b = exampleValue<T, order, dim>(bValue); |
| 289 | + |
| 290 | + auto c = a - b; |
| 291 | + check( |
| 292 | + c, dim, aValue - bValue, |
| 293 | + [&](auto i) { return (aValue - bValue) * i; }, |
| 294 | + [&](auto i, auto j) { return (aValue - bValue) * i * j; }); |
| 295 | + |
| 296 | + auto d = a; |
| 297 | + d -= b; |
| 298 | + check( |
| 299 | + d, dim, aValue - bValue, |
| 300 | + [&](auto i) { return (aValue - bValue) * i; }, |
| 301 | + [&](auto i, auto j) { return (aValue - bValue) * i * j; }); |
| 302 | + } |
| 303 | + |
| 304 | + { |
| 305 | + auto a = exampleValue<T, order>(dim, aValue); |
| 306 | + auto b = exampleValue<T, order>(dim, bValue); |
| 307 | + |
| 308 | + auto c = a - b; |
| 309 | + check( |
| 310 | + c, dim, aValue - bValue, |
| 311 | + [&](auto i) { return (aValue - bValue) * i; }, |
| 312 | + [&](auto i, auto j) { return (aValue - bValue) * i * j; }); |
| 313 | + |
| 314 | + auto d = a; |
| 315 | + d -= b; |
| 316 | + check( |
| 317 | + d, dim, aValue - bValue, |
| 318 | + [&](auto i) { return (aValue - bValue) * i; }, |
| 319 | + [&](auto i, auto j) { return (aValue - bValue) * i * j; }); |
| 320 | + } |
| 321 | + }); |
| 322 | +} |
| 323 | + |
| 324 | +BOOST_AUTO_TEST_CASE(ADValueMult) { |
| 325 | + defaultTestSuite([]<class T, std::size_t order, std::size_t dim>() { |
| 326 | + T aValue = 42; |
| 327 | + T bValue = 23; |
| 328 | + |
| 329 | + { |
| 330 | + auto a = exampleValue<T, order, dim>(aValue); |
| 331 | + auto b = exampleValue<T, order, dim>(bValue); |
| 332 | + |
| 333 | + auto c = a * b; |
| 334 | + check( |
| 335 | + c, dim, aValue * bValue, |
| 336 | + [&](auto i) { return 2 * aValue * bValue * i; }, |
| 337 | + [&](auto i, auto j) { return 4 * aValue * bValue * i * j; }); |
| 338 | + |
| 339 | + auto d = a; |
| 340 | + d *= b; |
| 341 | + check( |
| 342 | + d, dim, aValue * bValue, |
| 343 | + [&](auto i) { return 2 * aValue * bValue * i; }, |
| 344 | + [&](auto i, auto j) { return 4 * aValue * bValue * i * j; }); |
| 345 | + } |
| 346 | + |
| 347 | + { |
| 348 | + auto a = exampleValue<T, order>(dim, aValue); |
| 349 | + auto b = exampleValue<T, order>(dim, bValue); |
| 350 | + |
| 351 | + auto c = a * b; |
| 352 | + check( |
| 353 | + c, dim, aValue * bValue, |
| 354 | + [&](auto i) { return 2 * aValue * bValue * i; }, |
| 355 | + [&](auto i, auto j) { return 4 * aValue * bValue * i * j; }); |
| 356 | + |
| 357 | + auto d = a; |
| 358 | + d *= b; |
| 359 | + check( |
| 360 | + d, dim, aValue * bValue, |
| 361 | + [&](auto i) { return 2 * aValue * bValue * i; }, |
| 362 | + [&](auto i, auto j) { return 4 * aValue * bValue * i * j; }); |
| 363 | + } |
| 364 | + }); |
| 365 | +} |
| 366 | + |
| 367 | +//************************************************** |
| 368 | +//* ToDo: Add checks for the following features |
| 369 | +//* - Division of ADValue and ADValue |
| 370 | +//* - Arithmetic operations of ADValue and raw value |
| 371 | +//* - Nonlinear functions |
| 372 | +//************************************************** |
| 373 | + |
| 374 | +BOOST_AUTO_TEST_SUITE_END() |
| 375 | + |
| 376 | +#else //__cplusplus >= 202002L |
| 377 | + |
| 378 | +BOOST_AUTO_TEST_SUITE(traceless_vector) |
| 379 | +BOOST_AUTO_TEST_CASE(ADValueNotTested) { |
| 380 | + std::cout << "ADOL-C Warning: ADValue is not tested since test is not " |
| 381 | + "compiled with C++20 support." |
| 382 | + << std::endl; |
| 383 | +} |
| 384 | +BOOST_AUTO_TEST_SUITE_END() |
| 385 | + |
| 386 | +#endif //__cplusplus >= 202002L |
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