| 1 | // The template and inlines for the -*- C++ -*- internal _Array helper class. |
| 2 | |
| 3 | // Copyright (C) 1997-2018 Free Software Foundation, Inc. |
| 4 | // |
| 5 | // This file is part of the GNU ISO C++ Library. This library is free |
| 6 | // software; you can redistribute it and/or modify it under the |
| 7 | // terms of the GNU General Public License as published by the |
| 8 | // Free Software Foundation; either version 3, or (at your option) |
| 9 | // any later version. |
| 10 | |
| 11 | // This library is distributed in the hope that it will be useful, |
| 12 | // but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | // GNU General Public License for more details. |
| 15 | |
| 16 | // Under Section 7 of GPL version 3, you are granted additional |
| 17 | // permissions described in the GCC Runtime Library Exception, version |
| 18 | // 3.1, as published by the Free Software Foundation. |
| 19 | |
| 20 | // You should have received a copy of the GNU General Public License and |
| 21 | // a copy of the GCC Runtime Library Exception along with this program; |
| 22 | // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see |
| 23 | // <http://www.gnu.org/licenses/>. |
| 24 | |
| 25 | /** @file bits/valarray_array.h |
| 26 | * This is an internal header file, included by other library headers. |
| 27 | * Do not attempt to use it directly. @headername{valarray} |
| 28 | */ |
| 29 | |
| 30 | // Written by Gabriel Dos Reis <Gabriel.Dos-Reis@DPTMaths.ENS-Cachan.Fr> |
| 31 | |
| 32 | #ifndef _VALARRAY_ARRAY_H |
| 33 | #define _VALARRAY_ARRAY_H 1 |
| 34 | |
| 35 | #pragma GCC system_header |
| 36 | |
| 37 | #include <bits/c++config.h> |
| 38 | #include <bits/cpp_type_traits.h> |
| 39 | #include <cstdlib> |
| 40 | #include <new> |
| 41 | |
| 42 | namespace std _GLIBCXX_VISIBILITY(default) |
| 43 | { |
| 44 | _GLIBCXX_BEGIN_NAMESPACE_VERSION |
| 45 | |
| 46 | // |
| 47 | // Helper functions on raw pointers |
| 48 | // |
| 49 | |
| 50 | // We get memory by the old fashion way |
| 51 | inline void* |
| 52 | __valarray_get_memory(size_t __n) |
| 53 | { return operator new(__n); } |
| 54 | |
| 55 | template<typename _Tp> |
| 56 | inline _Tp*__restrict__ |
| 57 | __valarray_get_storage(size_t __n) |
| 58 | { |
| 59 | return static_cast<_Tp*__restrict__> |
| 60 | (std::__valarray_get_memory(__n * sizeof(_Tp))); |
| 61 | } |
| 62 | |
| 63 | // Return memory to the system |
| 64 | inline void |
| 65 | __valarray_release_memory(void* __p) |
| 66 | { operator delete(__p); } |
| 67 | |
| 68 | // Turn a raw-memory into an array of _Tp filled with _Tp() |
| 69 | // This is required in 'valarray<T> v(n);' |
| 70 | template<typename _Tp, bool> |
| 71 | struct _Array_default_ctor |
| 72 | { |
| 73 | // Please note that this isn't exception safe. But |
| 74 | // valarrays aren't required to be exception safe. |
| 75 | inline static void |
| 76 | _S_do_it(_Tp* __b, _Tp* __e) |
| 77 | { |
| 78 | while (__b != __e) |
| 79 | new(__b++) _Tp(); |
| 80 | } |
| 81 | }; |
| 82 | |
| 83 | template<typename _Tp> |
| 84 | struct _Array_default_ctor<_Tp, true> |
| 85 | { |
| 86 | // For fundamental types, it suffices to say 'memset()' |
| 87 | inline static void |
| 88 | _S_do_it(_Tp* __b, _Tp* __e) |
| 89 | { __builtin_memset(__b, 0, (__e - __b) * sizeof(_Tp)); } |
| 90 | }; |
| 91 | |
| 92 | template<typename _Tp> |
| 93 | inline void |
| 94 | __valarray_default_construct(_Tp* __b, _Tp* __e) |
| 95 | { |
| 96 | _Array_default_ctor<_Tp, __is_scalar<_Tp>::__value>::_S_do_it(__b, __e); |
| 97 | } |
| 98 | |
| 99 | // Turn a raw-memory into an array of _Tp filled with __t |
| 100 | // This is the required in valarray<T> v(n, t). Also |
| 101 | // used in valarray<>::resize(). |
| 102 | template<typename _Tp, bool> |
| 103 | struct _Array_init_ctor |
| 104 | { |
| 105 | // Please note that this isn't exception safe. But |
| 106 | // valarrays aren't required to be exception safe. |
| 107 | inline static void |
| 108 | _S_do_it(_Tp* __b, _Tp* __e, const _Tp __t) |
| 109 | { |
| 110 | while (__b != __e) |
| 111 | new(__b++) _Tp(__t); |
| 112 | } |
| 113 | }; |
| 114 | |
| 115 | template<typename _Tp> |
| 116 | struct _Array_init_ctor<_Tp, true> |
| 117 | { |
| 118 | inline static void |
| 119 | _S_do_it(_Tp* __b, _Tp* __e, const _Tp __t) |
| 120 | { |
| 121 | while (__b != __e) |
| 122 | *__b++ = __t; |
| 123 | } |
| 124 | }; |
| 125 | |
| 126 | template<typename _Tp> |
| 127 | inline void |
| 128 | __valarray_fill_construct(_Tp* __b, _Tp* __e, const _Tp __t) |
| 129 | { |
| 130 | _Array_init_ctor<_Tp, __is_trivial(_Tp)>::_S_do_it(__b, __e, __t); |
| 131 | } |
| 132 | |
| 133 | // |
| 134 | // copy-construct raw array [__o, *) from plain array [__b, __e) |
| 135 | // We can't just say 'memcpy()' |
| 136 | // |
| 137 | template<typename _Tp, bool> |
| 138 | struct _Array_copy_ctor |
| 139 | { |
| 140 | // Please note that this isn't exception safe. But |
| 141 | // valarrays aren't required to be exception safe. |
| 142 | inline static void |
| 143 | _S_do_it(const _Tp* __b, const _Tp* __e, _Tp* __restrict__ __o) |
| 144 | { |
| 145 | while (__b != __e) |
| 146 | new(__o++) _Tp(*__b++); |
| 147 | } |
| 148 | }; |
| 149 | |
| 150 | template<typename _Tp> |
| 151 | struct _Array_copy_ctor<_Tp, true> |
| 152 | { |
| 153 | inline static void |
| 154 | _S_do_it(const _Tp* __b, const _Tp* __e, _Tp* __restrict__ __o) |
| 155 | { |
| 156 | if (__b) |
| 157 | __builtin_memcpy(__o, __b, (__e - __b) * sizeof(_Tp)); |
| 158 | } |
| 159 | }; |
| 160 | |
| 161 | template<typename _Tp> |
| 162 | inline void |
| 163 | __valarray_copy_construct(const _Tp* __b, const _Tp* __e, |
| 164 | _Tp* __restrict__ __o) |
| 165 | { |
| 166 | _Array_copy_ctor<_Tp, __is_trivial(_Tp)>::_S_do_it(__b, __e, __o); |
| 167 | } |
| 168 | |
| 169 | // copy-construct raw array [__o, *) from strided array __a[<__n : __s>] |
| 170 | template<typename _Tp> |
| 171 | inline void |
| 172 | __valarray_copy_construct (const _Tp* __restrict__ __a, size_t __n, |
| 173 | size_t __s, _Tp* __restrict__ __o) |
| 174 | { |
| 175 | if (__is_trivial(_Tp)) |
| 176 | while (__n--) |
| 177 | { |
| 178 | *__o++ = *__a; |
| 179 | __a += __s; |
| 180 | } |
| 181 | else |
| 182 | while (__n--) |
| 183 | { |
| 184 | new(__o++) _Tp(*__a); |
| 185 | __a += __s; |
| 186 | } |
| 187 | } |
| 188 | |
| 189 | // copy-construct raw array [__o, *) from indexed array __a[__i[<__n>]] |
| 190 | template<typename _Tp> |
| 191 | inline void |
| 192 | __valarray_copy_construct (const _Tp* __restrict__ __a, |
| 193 | const size_t* __restrict__ __i, |
| 194 | _Tp* __restrict__ __o, size_t __n) |
| 195 | { |
| 196 | if (__is_trivial(_Tp)) |
| 197 | while (__n--) |
| 198 | *__o++ = __a[*__i++]; |
| 199 | else |
| 200 | while (__n--) |
| 201 | new (__o++) _Tp(__a[*__i++]); |
| 202 | } |
| 203 | |
| 204 | // Do the necessary cleanup when we're done with arrays. |
| 205 | template<typename _Tp> |
| 206 | inline void |
| 207 | __valarray_destroy_elements(_Tp* __b, _Tp* __e) |
| 208 | { |
| 209 | if (!__is_trivial(_Tp)) |
| 210 | while (__b != __e) |
| 211 | { |
| 212 | __b->~_Tp(); |
| 213 | ++__b; |
| 214 | } |
| 215 | } |
| 216 | |
| 217 | // Fill a plain array __a[<__n>] with __t |
| 218 | template<typename _Tp> |
| 219 | inline void |
| 220 | __valarray_fill(_Tp* __restrict__ __a, size_t __n, const _Tp& __t) |
| 221 | { |
| 222 | while (__n--) |
| 223 | *__a++ = __t; |
| 224 | } |
| 225 | |
| 226 | // fill strided array __a[<__n-1 : __s>] with __t |
| 227 | template<typename _Tp> |
| 228 | inline void |
| 229 | __valarray_fill(_Tp* __restrict__ __a, size_t __n, |
| 230 | size_t __s, const _Tp& __t) |
| 231 | { |
| 232 | for (size_t __i = 0; __i < __n; ++__i, __a += __s) |
| 233 | *__a = __t; |
| 234 | } |
| 235 | |
| 236 | // fill indirect array __a[__i[<__n>]] with __i |
| 237 | template<typename _Tp> |
| 238 | inline void |
| 239 | __valarray_fill(_Tp* __restrict__ __a, const size_t* __restrict__ __i, |
| 240 | size_t __n, const _Tp& __t) |
| 241 | { |
| 242 | for (size_t __j = 0; __j < __n; ++__j, ++__i) |
| 243 | __a[*__i] = __t; |
| 244 | } |
| 245 | |
| 246 | // copy plain array __a[<__n>] in __b[<__n>] |
| 247 | // For non-fundamental types, it is wrong to say 'memcpy()' |
| 248 | template<typename _Tp, bool> |
| 249 | struct _Array_copier |
| 250 | { |
| 251 | inline static void |
| 252 | _S_do_it(const _Tp* __restrict__ __a, size_t __n, _Tp* __restrict__ __b) |
| 253 | { |
| 254 | while(__n--) |
| 255 | *__b++ = *__a++; |
| 256 | } |
| 257 | }; |
| 258 | |
| 259 | template<typename _Tp> |
| 260 | struct _Array_copier<_Tp, true> |
| 261 | { |
| 262 | inline static void |
| 263 | _S_do_it(const _Tp* __restrict__ __a, size_t __n, _Tp* __restrict__ __b) |
| 264 | { |
| 265 | if (__n != 0) |
| 266 | __builtin_memcpy(__b, __a, __n * sizeof (_Tp)); |
| 267 | } |
| 268 | }; |
| 269 | |
| 270 | // Copy a plain array __a[<__n>] into a play array __b[<>] |
| 271 | template<typename _Tp> |
| 272 | inline void |
| 273 | __valarray_copy(const _Tp* __restrict__ __a, size_t __n, |
| 274 | _Tp* __restrict__ __b) |
| 275 | { |
| 276 | _Array_copier<_Tp, __is_trivial(_Tp)>::_S_do_it(__a, __n, __b); |
| 277 | } |
| 278 | |
| 279 | // Copy strided array __a[<__n : __s>] in plain __b[<__n>] |
| 280 | template<typename _Tp> |
| 281 | inline void |
| 282 | __valarray_copy(const _Tp* __restrict__ __a, size_t __n, size_t __s, |
| 283 | _Tp* __restrict__ __b) |
| 284 | { |
| 285 | for (size_t __i = 0; __i < __n; ++__i, ++__b, __a += __s) |
| 286 | *__b = *__a; |
| 287 | } |
| 288 | |
| 289 | // Copy a plain array __a[<__n>] into a strided array __b[<__n : __s>] |
| 290 | template<typename _Tp> |
| 291 | inline void |
| 292 | __valarray_copy(const _Tp* __restrict__ __a, _Tp* __restrict__ __b, |
| 293 | size_t __n, size_t __s) |
| 294 | { |
| 295 | for (size_t __i = 0; __i < __n; ++__i, ++__a, __b += __s) |
| 296 | *__b = *__a; |
| 297 | } |
| 298 | |
| 299 | // Copy strided array __src[<__n : __s1>] into another |
| 300 | // strided array __dst[< : __s2>]. Their sizes must match. |
| 301 | template<typename _Tp> |
| 302 | inline void |
| 303 | __valarray_copy(const _Tp* __restrict__ __src, size_t __n, size_t __s1, |
| 304 | _Tp* __restrict__ __dst, size_t __s2) |
| 305 | { |
| 306 | for (size_t __i = 0; __i < __n; ++__i) |
| 307 | __dst[__i * __s2] = __src[__i * __s1]; |
| 308 | } |
| 309 | |
| 310 | // Copy an indexed array __a[__i[<__n>]] in plain array __b[<__n>] |
| 311 | template<typename _Tp> |
| 312 | inline void |
| 313 | __valarray_copy(const _Tp* __restrict__ __a, |
| 314 | const size_t* __restrict__ __i, |
| 315 | _Tp* __restrict__ __b, size_t __n) |
| 316 | { |
| 317 | for (size_t __j = 0; __j < __n; ++__j, ++__b, ++__i) |
| 318 | *__b = __a[*__i]; |
| 319 | } |
| 320 | |
| 321 | // Copy a plain array __a[<__n>] in an indexed array __b[__i[<__n>]] |
| 322 | template<typename _Tp> |
| 323 | inline void |
| 324 | __valarray_copy(const _Tp* __restrict__ __a, size_t __n, |
| 325 | _Tp* __restrict__ __b, const size_t* __restrict__ __i) |
| 326 | { |
| 327 | for (size_t __j = 0; __j < __n; ++__j, ++__a, ++__i) |
| 328 | __b[*__i] = *__a; |
| 329 | } |
| 330 | |
| 331 | // Copy the __n first elements of an indexed array __src[<__i>] into |
| 332 | // another indexed array __dst[<__j>]. |
| 333 | template<typename _Tp> |
| 334 | inline void |
| 335 | __valarray_copy(const _Tp* __restrict__ __src, size_t __n, |
| 336 | const size_t* __restrict__ __i, |
| 337 | _Tp* __restrict__ __dst, const size_t* __restrict__ __j) |
| 338 | { |
| 339 | for (size_t __k = 0; __k < __n; ++__k) |
| 340 | __dst[*__j++] = __src[*__i++]; |
| 341 | } |
| 342 | |
| 343 | // |
| 344 | // Compute the sum of elements in range [__f, __l) |
| 345 | // This is a naive algorithm. It suffers from cancelling. |
| 346 | // In the future try to specialize |
| 347 | // for _Tp = float, double, long double using a more accurate |
| 348 | // algorithm. |
| 349 | // |
| 350 | template<typename _Tp> |
| 351 | inline _Tp |
| 352 | __valarray_sum(const _Tp* __f, const _Tp* __l) |
| 353 | { |
| 354 | _Tp __r = _Tp(); |
| 355 | while (__f != __l) |
| 356 | __r += *__f++; |
| 357 | return __r; |
| 358 | } |
| 359 | |
| 360 | // Compute the product of all elements in range [__f, __l) |
| 361 | template<typename _Tp> |
| 362 | inline _Tp |
| 363 | __valarray_product(const _Tp* __f, const _Tp* __l) |
| 364 | { |
| 365 | _Tp __r = _Tp(1); |
| 366 | while (__f != __l) |
| 367 | __r = __r * *__f++; |
| 368 | return __r; |
| 369 | } |
| 370 | |
| 371 | // Compute the min/max of an array-expression |
| 372 | template<typename _Ta> |
| 373 | inline typename _Ta::value_type |
| 374 | __valarray_min(const _Ta& __a) |
| 375 | { |
| 376 | size_t __s = __a.size(); |
| 377 | typedef typename _Ta::value_type _Value_type; |
| 378 | _Value_type __r = __s == 0 ? _Value_type() : __a[0]; |
| 379 | for (size_t __i = 1; __i < __s; ++__i) |
| 380 | { |
| 381 | _Value_type __t = __a[__i]; |
| 382 | if (__t < __r) |
| 383 | __r = __t; |
| 384 | } |
| 385 | return __r; |
| 386 | } |
| 387 | |
| 388 | template<typename _Ta> |
| 389 | inline typename _Ta::value_type |
| 390 | __valarray_max(const _Ta& __a) |
| 391 | { |
| 392 | size_t __s = __a.size(); |
| 393 | typedef typename _Ta::value_type _Value_type; |
| 394 | _Value_type __r = __s == 0 ? _Value_type() : __a[0]; |
| 395 | for (size_t __i = 1; __i < __s; ++__i) |
| 396 | { |
| 397 | _Value_type __t = __a[__i]; |
| 398 | if (__t > __r) |
| 399 | __r = __t; |
| 400 | } |
| 401 | return __r; |
| 402 | } |
| 403 | |
| 404 | // |
| 405 | // Helper class _Array, first layer of valarray abstraction. |
| 406 | // All operations on valarray should be forwarded to this class |
| 407 | // whenever possible. -- gdr |
| 408 | // |
| 409 | |
| 410 | template<typename _Tp> |
| 411 | struct _Array |
| 412 | { |
| 413 | explicit _Array(size_t); |
| 414 | explicit _Array(_Tp* const __restrict__); |
| 415 | explicit _Array(const valarray<_Tp>&); |
| 416 | _Array(const _Tp* __restrict__, size_t); |
| 417 | |
| 418 | _Tp* begin() const; |
| 419 | |
| 420 | _Tp* const __restrict__ _M_data; |
| 421 | }; |
| 422 | |
| 423 | |
| 424 | // Copy-construct plain array __b[<__n>] from indexed array __a[__i[<__n>]] |
| 425 | template<typename _Tp> |
| 426 | inline void |
| 427 | __valarray_copy_construct(_Array<_Tp> __a, _Array<size_t> __i, |
| 428 | _Array<_Tp> __b, size_t __n) |
| 429 | { std::__valarray_copy_construct(__a._M_data, __i._M_data, |
| 430 | __b._M_data, __n); } |
| 431 | |
| 432 | // Copy-construct plain array __b[<__n>] from strided array __a[<__n : __s>] |
| 433 | template<typename _Tp> |
| 434 | inline void |
| 435 | __valarray_copy_construct(_Array<_Tp> __a, size_t __n, size_t __s, |
| 436 | _Array<_Tp> __b) |
| 437 | { std::__valarray_copy_construct(__a._M_data, __n, __s, __b._M_data); } |
| 438 | |
| 439 | template<typename _Tp> |
| 440 | inline void |
| 441 | __valarray_fill (_Array<_Tp> __a, size_t __n, const _Tp& __t) |
| 442 | { std::__valarray_fill(__a._M_data, __n, __t); } |
| 443 | |
| 444 | template<typename _Tp> |
| 445 | inline void |
| 446 | __valarray_fill(_Array<_Tp> __a, size_t __n, size_t __s, const _Tp& __t) |
| 447 | { std::__valarray_fill(__a._M_data, __n, __s, __t); } |
| 448 | |
| 449 | template<typename _Tp> |
| 450 | inline void |
| 451 | __valarray_fill(_Array<_Tp> __a, _Array<size_t> __i, |
| 452 | size_t __n, const _Tp& __t) |
| 453 | { std::__valarray_fill(__a._M_data, __i._M_data, __n, __t); } |
| 454 | |
| 455 | // Copy a plain array __a[<__n>] into a play array __b[<>] |
| 456 | template<typename _Tp> |
| 457 | inline void |
| 458 | __valarray_copy(_Array<_Tp> __a, size_t __n, _Array<_Tp> __b) |
| 459 | { std::__valarray_copy(__a._M_data, __n, __b._M_data); } |
| 460 | |
| 461 | // Copy strided array __a[<__n : __s>] in plain __b[<__n>] |
| 462 | template<typename _Tp> |
| 463 | inline void |
| 464 | __valarray_copy(_Array<_Tp> __a, size_t __n, size_t __s, _Array<_Tp> __b) |
| 465 | { std::__valarray_copy(__a._M_data, __n, __s, __b._M_data); } |
| 466 | |
| 467 | // Copy a plain array __a[<__n>] into a strided array __b[<__n : __s>] |
| 468 | template<typename _Tp> |
| 469 | inline void |
| 470 | __valarray_copy(_Array<_Tp> __a, _Array<_Tp> __b, size_t __n, size_t __s) |
| 471 | { __valarray_copy(__a._M_data, __b._M_data, __n, __s); } |
| 472 | |
| 473 | // Copy strided array __src[<__n : __s1>] into another |
| 474 | // strided array __dst[< : __s2>]. Their sizes must match. |
| 475 | template<typename _Tp> |
| 476 | inline void |
| 477 | __valarray_copy(_Array<_Tp> __a, size_t __n, size_t __s1, |
| 478 | _Array<_Tp> __b, size_t __s2) |
| 479 | { std::__valarray_copy(__a._M_data, __n, __s1, __b._M_data, __s2); } |
| 480 | |
| 481 | // Copy an indexed array __a[__i[<__n>]] in plain array __b[<__n>] |
| 482 | template<typename _Tp> |
| 483 | inline void |
| 484 | __valarray_copy(_Array<_Tp> __a, _Array<size_t> __i, |
| 485 | _Array<_Tp> __b, size_t __n) |
| 486 | { std::__valarray_copy(__a._M_data, __i._M_data, __b._M_data, __n); } |
| 487 | |
| 488 | // Copy a plain array __a[<__n>] in an indexed array __b[__i[<__n>]] |
| 489 | template<typename _Tp> |
| 490 | inline void |
| 491 | __valarray_copy(_Array<_Tp> __a, size_t __n, _Array<_Tp> __b, |
| 492 | _Array<size_t> __i) |
| 493 | { std::__valarray_copy(__a._M_data, __n, __b._M_data, __i._M_data); } |
| 494 | |
| 495 | // Copy the __n first elements of an indexed array __src[<__i>] into |
| 496 | // another indexed array __dst[<__j>]. |
| 497 | template<typename _Tp> |
| 498 | inline void |
| 499 | __valarray_copy(_Array<_Tp> __src, size_t __n, _Array<size_t> __i, |
| 500 | _Array<_Tp> __dst, _Array<size_t> __j) |
| 501 | { |
| 502 | std::__valarray_copy(__src._M_data, __n, __i._M_data, |
| 503 | __dst._M_data, __j._M_data); |
| 504 | } |
| 505 | |
| 506 | template<typename _Tp> |
| 507 | inline |
| 508 | _Array<_Tp>::_Array(size_t __n) |
| 509 | : _M_data(__valarray_get_storage<_Tp>(__n)) |
| 510 | { std::__valarray_default_construct(_M_data, _M_data + __n); } |
| 511 | |
| 512 | template<typename _Tp> |
| 513 | inline |
| 514 | _Array<_Tp>::_Array(_Tp* const __restrict__ __p) |
| 515 | : _M_data (__p) {} |
| 516 | |
| 517 | template<typename _Tp> |
| 518 | inline |
| 519 | _Array<_Tp>::_Array(const valarray<_Tp>& __v) |
| 520 | : _M_data (__v._M_data) {} |
| 521 | |
| 522 | template<typename _Tp> |
| 523 | inline |
| 524 | _Array<_Tp>::_Array(const _Tp* __restrict__ __b, size_t __s) |
| 525 | : _M_data(__valarray_get_storage<_Tp>(__s)) |
| 526 | { std::__valarray_copy_construct(__b, __s, _M_data); } |
| 527 | |
| 528 | template<typename _Tp> |
| 529 | inline _Tp* |
| 530 | _Array<_Tp>::begin () const |
| 531 | { return _M_data; } |
| 532 | |
| 533 | #define _DEFINE_ARRAY_FUNCTION(_Op, _Name) \ |
| 534 | template<typename _Tp> \ |
| 535 | inline void \ |
| 536 | _Array_augmented_##_Name(_Array<_Tp> __a, size_t __n, const _Tp& __t) \ |
| 537 | { \ |
| 538 | for (_Tp* __p = __a._M_data; __p < __a._M_data + __n; ++__p) \ |
| 539 | *__p _Op##= __t; \ |
| 540 | } \ |
| 541 | \ |
| 542 | template<typename _Tp> \ |
| 543 | inline void \ |
| 544 | _Array_augmented_##_Name(_Array<_Tp> __a, size_t __n, _Array<_Tp> __b) \ |
| 545 | { \ |
| 546 | _Tp* __p = __a._M_data; \ |
| 547 | for (_Tp* __q = __b._M_data; __q < __b._M_data + __n; ++__p, ++__q) \ |
| 548 | *__p _Op##= *__q; \ |
| 549 | } \ |
| 550 | \ |
| 551 | template<typename _Tp, class _Dom> \ |
| 552 | void \ |
| 553 | _Array_augmented_##_Name(_Array<_Tp> __a, \ |
| 554 | const _Expr<_Dom, _Tp>& __e, size_t __n) \ |
| 555 | { \ |
| 556 | _Tp* __p(__a._M_data); \ |
| 557 | for (size_t __i = 0; __i < __n; ++__i, ++__p) \ |
| 558 | *__p _Op##= __e[__i]; \ |
| 559 | } \ |
| 560 | \ |
| 561 | template<typename _Tp> \ |
| 562 | inline void \ |
| 563 | _Array_augmented_##_Name(_Array<_Tp> __a, size_t __n, size_t __s, \ |
| 564 | _Array<_Tp> __b) \ |
| 565 | { \ |
| 566 | _Tp* __q(__b._M_data); \ |
| 567 | for (_Tp* __p = __a._M_data; __p < __a._M_data + __s * __n; \ |
| 568 | __p += __s, ++__q) \ |
| 569 | *__p _Op##= *__q; \ |
| 570 | } \ |
| 571 | \ |
| 572 | template<typename _Tp> \ |
| 573 | inline void \ |
| 574 | _Array_augmented_##_Name(_Array<_Tp> __a, _Array<_Tp> __b, \ |
| 575 | size_t __n, size_t __s) \ |
| 576 | { \ |
| 577 | _Tp* __q(__b._M_data); \ |
| 578 | for (_Tp* __p = __a._M_data; __p < __a._M_data + __n; \ |
| 579 | ++__p, __q += __s) \ |
| 580 | *__p _Op##= *__q; \ |
| 581 | } \ |
| 582 | \ |
| 583 | template<typename _Tp, class _Dom> \ |
| 584 | void \ |
| 585 | _Array_augmented_##_Name(_Array<_Tp> __a, size_t __s, \ |
| 586 | const _Expr<_Dom, _Tp>& __e, size_t __n) \ |
| 587 | { \ |
| 588 | _Tp* __p(__a._M_data); \ |
| 589 | for (size_t __i = 0; __i < __n; ++__i, __p += __s) \ |
| 590 | *__p _Op##= __e[__i]; \ |
| 591 | } \ |
| 592 | \ |
| 593 | template<typename _Tp> \ |
| 594 | inline void \ |
| 595 | _Array_augmented_##_Name(_Array<_Tp> __a, _Array<size_t> __i, \ |
| 596 | _Array<_Tp> __b, size_t __n) \ |
| 597 | { \ |
| 598 | _Tp* __q(__b._M_data); \ |
| 599 | for (size_t* __j = __i._M_data; __j < __i._M_data + __n; \ |
| 600 | ++__j, ++__q) \ |
| 601 | __a._M_data[*__j] _Op##= *__q; \ |
| 602 | } \ |
| 603 | \ |
| 604 | template<typename _Tp> \ |
| 605 | inline void \ |
| 606 | _Array_augmented_##_Name(_Array<_Tp> __a, size_t __n, \ |
| 607 | _Array<_Tp> __b, _Array<size_t> __i) \ |
| 608 | { \ |
| 609 | _Tp* __p(__a._M_data); \ |
| 610 | for (size_t* __j = __i._M_data; __j<__i._M_data + __n; \ |
| 611 | ++__j, ++__p) \ |
| 612 | *__p _Op##= __b._M_data[*__j]; \ |
| 613 | } \ |
| 614 | \ |
| 615 | template<typename _Tp, class _Dom> \ |
| 616 | void \ |
| 617 | _Array_augmented_##_Name(_Array<_Tp> __a, _Array<size_t> __i, \ |
| 618 | const _Expr<_Dom, _Tp>& __e, size_t __n) \ |
| 619 | { \ |
| 620 | size_t* __j(__i._M_data); \ |
| 621 | for (size_t __k = 0; __k<__n; ++__k, ++__j) \ |
| 622 | __a._M_data[*__j] _Op##= __e[__k]; \ |
| 623 | } \ |
| 624 | \ |
| 625 | template<typename _Tp> \ |
| 626 | void \ |
| 627 | _Array_augmented_##_Name(_Array<_Tp> __a, _Array<bool> __m, \ |
| 628 | _Array<_Tp> __b, size_t __n) \ |
| 629 | { \ |
| 630 | bool* __ok(__m._M_data); \ |
| 631 | _Tp* __p(__a._M_data); \ |
| 632 | for (_Tp* __q = __b._M_data; __q < __b._M_data + __n; \ |
| 633 | ++__q, ++__ok, ++__p) \ |
| 634 | { \ |
| 635 | while (! *__ok) \ |
| 636 | { \ |
| 637 | ++__ok; \ |
| 638 | ++__p; \ |
| 639 | } \ |
| 640 | *__p _Op##= *__q; \ |
| 641 | } \ |
| 642 | } \ |
| 643 | \ |
| 644 | template<typename _Tp> \ |
| 645 | void \ |
| 646 | _Array_augmented_##_Name(_Array<_Tp> __a, size_t __n, \ |
| 647 | _Array<_Tp> __b, _Array<bool> __m) \ |
| 648 | { \ |
| 649 | bool* __ok(__m._M_data); \ |
| 650 | _Tp* __q(__b._M_data); \ |
| 651 | for (_Tp* __p = __a._M_data; __p < __a._M_data + __n; \ |
| 652 | ++__p, ++__ok, ++__q) \ |
| 653 | { \ |
| 654 | while (! *__ok) \ |
| 655 | { \ |
| 656 | ++__ok; \ |
| 657 | ++__q; \ |
| 658 | } \ |
| 659 | *__p _Op##= *__q; \ |
| 660 | } \ |
| 661 | } \ |
| 662 | \ |
| 663 | template<typename _Tp, class _Dom> \ |
| 664 | void \ |
| 665 | _Array_augmented_##_Name(_Array<_Tp> __a, _Array<bool> __m, \ |
| 666 | const _Expr<_Dom, _Tp>& __e, size_t __n) \ |
| 667 | { \ |
| 668 | bool* __ok(__m._M_data); \ |
| 669 | _Tp* __p(__a._M_data); \ |
| 670 | for (size_t __i = 0; __i < __n; ++__i, ++__ok, ++__p) \ |
| 671 | { \ |
| 672 | while (! *__ok) \ |
| 673 | { \ |
| 674 | ++__ok; \ |
| 675 | ++__p; \ |
| 676 | } \ |
| 677 | *__p _Op##= __e[__i]; \ |
| 678 | } \ |
| 679 | } |
| 680 | |
| 681 | _DEFINE_ARRAY_FUNCTION(+, __plus) |
| 682 | _DEFINE_ARRAY_FUNCTION(-, __minus) |
| 683 | _DEFINE_ARRAY_FUNCTION(*, __multiplies) |
| 684 | _DEFINE_ARRAY_FUNCTION(/, __divides) |
| 685 | _DEFINE_ARRAY_FUNCTION(%, __modulus) |
| 686 | _DEFINE_ARRAY_FUNCTION(^, __bitwise_xor) |
| 687 | _DEFINE_ARRAY_FUNCTION(|, __bitwise_or) |
| 688 | _DEFINE_ARRAY_FUNCTION(&, __bitwise_and) |
| 689 | _DEFINE_ARRAY_FUNCTION(<<, __shift_left) |
| 690 | _DEFINE_ARRAY_FUNCTION(>>, __shift_right) |
| 691 | |
| 692 | #undef _DEFINE_ARRAY_FUNCTION |
| 693 | |
| 694 | _GLIBCXX_END_NAMESPACE_VERSION |
| 695 | } // namespace |
| 696 | |
| 697 | # include <bits/valarray_array.tcc> |
| 698 | |
| 699 | #endif /* _ARRAY_H */ |
| 700 | |