source: Daodan/MSYS2/mingw32/include/c++/11.2.0/bits/valarray_array.h@ 1181

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1// The template and inlines for the -*- C++ -*- internal _Array helper class.
2
3// Copyright (C) 1997-2021 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
42namespace std _GLIBCXX_VISIBILITY(default)
43{
44_GLIBCXX_BEGIN_NAMESPACE_VERSION
45
46 //
47 // Helper functions on raw pointers
48 //
49
50 // We get memory the old fashioned way
51 template<typename _Tp>
52 _Tp*
53 __valarray_get_storage(size_t) __attribute__((__malloc__));
54
55 template<typename _Tp>
56 inline _Tp*
57 __valarray_get_storage(size_t __n)
58 { return static_cast<_Tp*>(operator new(__n * sizeof(_Tp))); }
59
60 // Return memory to the system
61 inline void
62 __valarray_release_memory(void* __p)
63 { operator delete(__p); }
64
65 // Turn a raw-memory into an array of _Tp filled with _Tp()
66 // This is required in 'valarray<T> v(n);'
67 template<typename _Tp, bool>
68 struct _Array_default_ctor
69 {
70 // Please note that this isn't exception safe. But
71 // valarrays aren't required to be exception safe.
72 inline static void
73 _S_do_it(_Tp* __b, _Tp* __e)
74 {
75 while (__b != __e)
76 new(__b++) _Tp();
77 }
78 };
79
80 template<typename _Tp>
81 struct _Array_default_ctor<_Tp, true>
82 {
83 // For fundamental types, it suffices to say 'memset()'
84 inline static void
85 _S_do_it(_Tp* __b, _Tp* __e)
86 { __builtin_memset(__b, 0, (__e - __b) * sizeof(_Tp)); }
87 };
88
89 template<typename _Tp>
90 inline void
91 __valarray_default_construct(_Tp* __b, _Tp* __e)
92 {
93 _Array_default_ctor<_Tp, __is_scalar<_Tp>::__value>::_S_do_it(__b, __e);
94 }
95
96 // Turn a raw-memory into an array of _Tp filled with __t
97 // This is the required in valarray<T> v(n, t). Also
98 // used in valarray<>::resize().
99 template<typename _Tp, bool>
100 struct _Array_init_ctor
101 {
102 // Please note that this isn't exception safe. But
103 // valarrays aren't required to be exception safe.
104 inline static void
105 _S_do_it(_Tp* __b, _Tp* __e, const _Tp __t)
106 {
107 while (__b != __e)
108 new(__b++) _Tp(__t);
109 }
110 };
111
112 template<typename _Tp>
113 struct _Array_init_ctor<_Tp, true>
114 {
115 inline static void
116 _S_do_it(_Tp* __b, _Tp* __e, const _Tp __t)
117 {
118 while (__b != __e)
119 *__b++ = __t;
120 }
121 };
122
123 template<typename _Tp>
124 inline void
125 __valarray_fill_construct(_Tp* __b, _Tp* __e, const _Tp __t)
126 {
127 _Array_init_ctor<_Tp, __is_trivial(_Tp)>::_S_do_it(__b, __e, __t);
128 }
129
130 //
131 // copy-construct raw array [__o, *) from plain array [__b, __e)
132 // We can't just say 'memcpy()'
133 //
134 template<typename _Tp, bool>
135 struct _Array_copy_ctor
136 {
137 // Please note that this isn't exception safe. But
138 // valarrays aren't required to be exception safe.
139 inline static void
140 _S_do_it(const _Tp* __b, const _Tp* __e, _Tp* __restrict__ __o)
141 {
142 while (__b != __e)
143 new(__o++) _Tp(*__b++);
144 }
145 };
146
147 template<typename _Tp>
148 struct _Array_copy_ctor<_Tp, true>
149 {
150 inline static void
151 _S_do_it(const _Tp* __b, const _Tp* __e, _Tp* __restrict__ __o)
152 {
153 if (__b)
154 __builtin_memcpy(__o, __b, (__e - __b) * sizeof(_Tp));
155 }
156 };
157
158 template<typename _Tp>
159 inline void
160 __valarray_copy_construct(const _Tp* __b, const _Tp* __e,
161 _Tp* __restrict__ __o)
162 {
163 _Array_copy_ctor<_Tp, __is_trivial(_Tp)>::_S_do_it(__b, __e, __o);
164 }
165
166 // copy-construct raw array [__o, *) from strided array __a[<__n : __s>]
167 template<typename _Tp>
168 inline void
169 __valarray_copy_construct (const _Tp* __restrict__ __a, size_t __n,
170 size_t __s, _Tp* __restrict__ __o)
171 {
172 if (__is_trivial(_Tp))
173 while (__n--)
174 {
175 *__o++ = *__a;
176 __a += __s;
177 }
178 else
179 while (__n--)
180 {
181 new(__o++) _Tp(*__a);
182 __a += __s;
183 }
184 }
185
186 // copy-construct raw array [__o, *) from indexed array __a[__i[<__n>]]
187 template<typename _Tp>
188 inline void
189 __valarray_copy_construct (const _Tp* __restrict__ __a,
190 const size_t* __restrict__ __i,
191 _Tp* __restrict__ __o, size_t __n)
192 {
193 if (__is_trivial(_Tp))
194 while (__n--)
195 *__o++ = __a[*__i++];
196 else
197 while (__n--)
198 new (__o++) _Tp(__a[*__i++]);
199 }
200
201 // Do the necessary cleanup when we're done with arrays.
202 template<typename _Tp>
203 inline void
204 __valarray_destroy_elements(_Tp* __b, _Tp* __e)
205 {
206 if (!__is_trivial(_Tp))
207 while (__b != __e)
208 {
209 __b->~_Tp();
210 ++__b;
211 }
212 }
213
214 // Fill a plain array __a[<__n>] with __t
215 template<typename _Tp>
216 inline void
217 __valarray_fill(_Tp* __restrict__ __a, size_t __n, const _Tp& __t)
218 {
219 while (__n--)
220 *__a++ = __t;
221 }
222
223 // fill strided array __a[<__n-1 : __s>] with __t
224 template<typename _Tp>
225 inline void
226 __valarray_fill(_Tp* __restrict__ __a, size_t __n,
227 size_t __s, const _Tp& __t)
228 {
229 for (size_t __i = 0; __i < __n; ++__i, __a += __s)
230 *__a = __t;
231 }
232
233 // fill indirect array __a[__i[<__n>]] with __i
234 template<typename _Tp>
235 inline void
236 __valarray_fill(_Tp* __restrict__ __a, const size_t* __restrict__ __i,
237 size_t __n, const _Tp& __t)
238 {
239 for (size_t __j = 0; __j < __n; ++__j, ++__i)
240 __a[*__i] = __t;
241 }
242
243 // copy plain array __a[<__n>] in __b[<__n>]
244 // For non-fundamental types, it is wrong to say 'memcpy()'
245 template<typename _Tp, bool>
246 struct _Array_copier
247 {
248 inline static void
249 _S_do_it(const _Tp* __restrict__ __a, size_t __n, _Tp* __restrict__ __b)
250 {
251 while(__n--)
252 *__b++ = *__a++;
253 }
254 };
255
256 template<typename _Tp>
257 struct _Array_copier<_Tp, true>
258 {
259 inline static void
260 _S_do_it(const _Tp* __restrict__ __a, size_t __n, _Tp* __restrict__ __b)
261 {
262 if (__n != 0)
263 __builtin_memcpy(__b, __a, __n * sizeof (_Tp));
264 }
265 };
266
267 // Copy a plain array __a[<__n>] into a play array __b[<>]
268 template<typename _Tp>
269 inline void
270 __valarray_copy(const _Tp* __restrict__ __a, size_t __n,
271 _Tp* __restrict__ __b)
272 {
273 _Array_copier<_Tp, __is_trivial(_Tp)>::_S_do_it(__a, __n, __b);
274 }
275
276 // Copy strided array __a[<__n : __s>] in plain __b[<__n>]
277 template<typename _Tp>
278 inline void
279 __valarray_copy(const _Tp* __restrict__ __a, size_t __n, size_t __s,
280 _Tp* __restrict__ __b)
281 {
282 for (size_t __i = 0; __i < __n; ++__i, ++__b, __a += __s)
283 *__b = *__a;
284 }
285
286 // Copy a plain array __a[<__n>] into a strided array __b[<__n : __s>]
287 template<typename _Tp>
288 inline void
289 __valarray_copy(const _Tp* __restrict__ __a, _Tp* __restrict__ __b,
290 size_t __n, size_t __s)
291 {
292 for (size_t __i = 0; __i < __n; ++__i, ++__a, __b += __s)
293 *__b = *__a;
294 }
295
296 // Copy strided array __src[<__n : __s1>] into another
297 // strided array __dst[< : __s2>]. Their sizes must match.
298 template<typename _Tp>
299 inline void
300 __valarray_copy(const _Tp* __restrict__ __src, size_t __n, size_t __s1,
301 _Tp* __restrict__ __dst, size_t __s2)
302 {
303 for (size_t __i = 0; __i < __n; ++__i)
304 __dst[__i * __s2] = __src[__i * __s1];
305 }
306
307 // Copy an indexed array __a[__i[<__n>]] in plain array __b[<__n>]
308 template<typename _Tp>
309 inline void
310 __valarray_copy(const _Tp* __restrict__ __a,
311 const size_t* __restrict__ __i,
312 _Tp* __restrict__ __b, size_t __n)
313 {
314 for (size_t __j = 0; __j < __n; ++__j, ++__b, ++__i)
315 *__b = __a[*__i];
316 }
317
318 // Copy a plain array __a[<__n>] in an indexed array __b[__i[<__n>]]
319 template<typename _Tp>
320 inline void
321 __valarray_copy(const _Tp* __restrict__ __a, size_t __n,
322 _Tp* __restrict__ __b, const size_t* __restrict__ __i)
323 {
324 for (size_t __j = 0; __j < __n; ++__j, ++__a, ++__i)
325 __b[*__i] = *__a;
326 }
327
328 // Copy the __n first elements of an indexed array __src[<__i>] into
329 // another indexed array __dst[<__j>].
330 template<typename _Tp>
331 inline void
332 __valarray_copy(const _Tp* __restrict__ __src, size_t __n,
333 const size_t* __restrict__ __i,
334 _Tp* __restrict__ __dst, const size_t* __restrict__ __j)
335 {
336 for (size_t __k = 0; __k < __n; ++__k)
337 __dst[*__j++] = __src[*__i++];
338 }
339
340 //
341 // Compute the sum of elements in range [__f, __l) which must not be empty.
342 // This is a naive algorithm. It suffers from cancelling.
343 // In the future try to specialize for _Tp = float, double, long double
344 // using a more accurate algorithm.
345 //
346 template<typename _Tp>
347 inline _Tp
348 __valarray_sum(const _Tp* __f, const _Tp* __l)
349 {
350 _Tp __r = *__f++;
351 while (__f != __l)
352 __r += *__f++;
353 return __r;
354 }
355
356 // Compute the min/max of an array-expression
357 template<typename _Ta>
358 inline typename _Ta::value_type
359 __valarray_min(const _Ta& __a)
360 {
361 size_t __s = __a.size();
362 typedef typename _Ta::value_type _Value_type;
363 _Value_type __r = __s == 0 ? _Value_type() : __a[0];
364 for (size_t __i = 1; __i < __s; ++__i)
365 {
366 _Value_type __t = __a[__i];
367 if (__t < __r)
368 __r = __t;
369 }
370 return __r;
371 }
372
373 template<typename _Ta>
374 inline typename _Ta::value_type
375 __valarray_max(const _Ta& __a)
376 {
377 size_t __s = __a.size();
378 typedef typename _Ta::value_type _Value_type;
379 _Value_type __r = __s == 0 ? _Value_type() : __a[0];
380 for (size_t __i = 1; __i < __s; ++__i)
381 {
382 _Value_type __t = __a[__i];
383 if (__t > __r)
384 __r = __t;
385 }
386 return __r;
387 }
388
389 //
390 // Helper class _Array, first layer of valarray abstraction.
391 // All operations on valarray should be forwarded to this class
392 // whenever possible. -- gdr
393 //
394
395 template<typename _Tp>
396 struct _Array
397 {
398 explicit _Array(_Tp* const __restrict__);
399 explicit _Array(const valarray<_Tp>&);
400 _Array(const _Tp* __restrict__, size_t);
401
402 _Tp* begin() const;
403
404 _Tp* const __restrict__ _M_data;
405 };
406
407
408 // Copy-construct plain array __b[<__n>] from indexed array __a[__i[<__n>]]
409 template<typename _Tp>
410 inline void
411 __valarray_copy_construct(_Array<_Tp> __a, _Array<size_t> __i,
412 _Array<_Tp> __b, size_t __n)
413 { std::__valarray_copy_construct(__a._M_data, __i._M_data,
414 __b._M_data, __n); }
415
416 // Copy-construct plain array __b[<__n>] from strided array __a[<__n : __s>]
417 template<typename _Tp>
418 inline void
419 __valarray_copy_construct(_Array<_Tp> __a, size_t __n, size_t __s,
420 _Array<_Tp> __b)
421 { std::__valarray_copy_construct(__a._M_data, __n, __s, __b._M_data); }
422
423 template<typename _Tp>
424 inline void
425 __valarray_fill (_Array<_Tp> __a, size_t __n, const _Tp& __t)
426 { std::__valarray_fill(__a._M_data, __n, __t); }
427
428 template<typename _Tp>
429 inline void
430 __valarray_fill(_Array<_Tp> __a, size_t __n, size_t __s, const _Tp& __t)
431 { std::__valarray_fill(__a._M_data, __n, __s, __t); }
432
433 template<typename _Tp>
434 inline void
435 __valarray_fill(_Array<_Tp> __a, _Array<size_t> __i,
436 size_t __n, const _Tp& __t)
437 { std::__valarray_fill(__a._M_data, __i._M_data, __n, __t); }
438
439 // Copy a plain array __a[<__n>] into a play array __b[<>]
440 template<typename _Tp>
441 inline void
442 __valarray_copy(_Array<_Tp> __a, size_t __n, _Array<_Tp> __b)
443 { std::__valarray_copy(__a._M_data, __n, __b._M_data); }
444
445 // Copy strided array __a[<__n : __s>] in plain __b[<__n>]
446 template<typename _Tp>
447 inline void
448 __valarray_copy(_Array<_Tp> __a, size_t __n, size_t __s, _Array<_Tp> __b)
449 { std::__valarray_copy(__a._M_data, __n, __s, __b._M_data); }
450
451 // Copy a plain array __a[<__n>] into a strided array __b[<__n : __s>]
452 template<typename _Tp>
453 inline void
454 __valarray_copy(_Array<_Tp> __a, _Array<_Tp> __b, size_t __n, size_t __s)
455 { __valarray_copy(__a._M_data, __b._M_data, __n, __s); }
456
457 // Copy strided array __src[<__n : __s1>] into another
458 // strided array __dst[< : __s2>]. Their sizes must match.
459 template<typename _Tp>
460 inline void
461 __valarray_copy(_Array<_Tp> __a, size_t __n, size_t __s1,
462 _Array<_Tp> __b, size_t __s2)
463 { std::__valarray_copy(__a._M_data, __n, __s1, __b._M_data, __s2); }
464
465 // Copy an indexed array __a[__i[<__n>]] in plain array __b[<__n>]
466 template<typename _Tp>
467 inline void
468 __valarray_copy(_Array<_Tp> __a, _Array<size_t> __i,
469 _Array<_Tp> __b, size_t __n)
470 { std::__valarray_copy(__a._M_data, __i._M_data, __b._M_data, __n); }
471
472 // Copy a plain array __a[<__n>] in an indexed array __b[__i[<__n>]]
473 template<typename _Tp>
474 inline void
475 __valarray_copy(_Array<_Tp> __a, size_t __n, _Array<_Tp> __b,
476 _Array<size_t> __i)
477 { std::__valarray_copy(__a._M_data, __n, __b._M_data, __i._M_data); }
478
479 // Copy the __n first elements of an indexed array __src[<__i>] into
480 // another indexed array __dst[<__j>].
481 template<typename _Tp>
482 inline void
483 __valarray_copy(_Array<_Tp> __src, size_t __n, _Array<size_t> __i,
484 _Array<_Tp> __dst, _Array<size_t> __j)
485 {
486 std::__valarray_copy(__src._M_data, __n, __i._M_data,
487 __dst._M_data, __j._M_data);
488 }
489
490 template<typename _Tp>
491 inline
492 _Array<_Tp>::_Array(_Tp* const __restrict__ __p)
493 : _M_data (__p) {}
494
495 template<typename _Tp>
496 inline
497 _Array<_Tp>::_Array(const valarray<_Tp>& __v)
498 : _M_data (__v._M_data) {}
499
500 template<typename _Tp>
501 inline
502 _Array<_Tp>::_Array(const _Tp* __restrict__ __b, size_t __s)
503 : _M_data(__valarray_get_storage<_Tp>(__s))
504 { std::__valarray_copy_construct(__b, __s, _M_data); }
505
506 template<typename _Tp>
507 inline _Tp*
508 _Array<_Tp>::begin () const
509 { return _M_data; }
510
511#define _DEFINE_ARRAY_FUNCTION(_Op, _Name) \
512 template<typename _Tp> \
513 inline void \
514 _Array_augmented_##_Name(_Array<_Tp> __a, size_t __n, const _Tp& __t) \
515 { \
516 for (_Tp* __p = __a._M_data; __p < __a._M_data + __n; ++__p) \
517 *__p _Op##= __t; \
518 } \
519 \
520 template<typename _Tp> \
521 inline void \
522 _Array_augmented_##_Name(_Array<_Tp> __a, size_t __n, _Array<_Tp> __b) \
523 { \
524 _Tp* __p = __a._M_data; \
525 for (_Tp* __q = __b._M_data; __q < __b._M_data + __n; ++__p, ++__q) \
526 *__p _Op##= *__q; \
527 } \
528 \
529 template<typename _Tp, class _Dom> \
530 void \
531 _Array_augmented_##_Name(_Array<_Tp> __a, \
532 const _Expr<_Dom, _Tp>& __e, size_t __n) \
533 { \
534 _Tp* __p(__a._M_data); \
535 for (size_t __i = 0; __i < __n; ++__i, ++__p) \
536 *__p _Op##= __e[__i]; \
537 } \
538 \
539 template<typename _Tp> \
540 inline void \
541 _Array_augmented_##_Name(_Array<_Tp> __a, size_t __n, size_t __s, \
542 _Array<_Tp> __b) \
543 { \
544 _Tp* __q(__b._M_data); \
545 for (_Tp* __p = __a._M_data; __p < __a._M_data + __s * __n; \
546 __p += __s, ++__q) \
547 *__p _Op##= *__q; \
548 } \
549 \
550 template<typename _Tp> \
551 inline void \
552 _Array_augmented_##_Name(_Array<_Tp> __a, _Array<_Tp> __b, \
553 size_t __n, size_t __s) \
554 { \
555 _Tp* __q(__b._M_data); \
556 for (_Tp* __p = __a._M_data; __p < __a._M_data + __n; \
557 ++__p, __q += __s) \
558 *__p _Op##= *__q; \
559 } \
560 \
561 template<typename _Tp, class _Dom> \
562 void \
563 _Array_augmented_##_Name(_Array<_Tp> __a, size_t __s, \
564 const _Expr<_Dom, _Tp>& __e, size_t __n) \
565 { \
566 _Tp* __p(__a._M_data); \
567 for (size_t __i = 0; __i < __n; ++__i, __p += __s) \
568 *__p _Op##= __e[__i]; \
569 } \
570 \
571 template<typename _Tp> \
572 inline void \
573 _Array_augmented_##_Name(_Array<_Tp> __a, _Array<size_t> __i, \
574 _Array<_Tp> __b, size_t __n) \
575 { \
576 _Tp* __q(__b._M_data); \
577 for (size_t* __j = __i._M_data; __j < __i._M_data + __n; \
578 ++__j, ++__q) \
579 __a._M_data[*__j] _Op##= *__q; \
580 } \
581 \
582 template<typename _Tp> \
583 inline void \
584 _Array_augmented_##_Name(_Array<_Tp> __a, size_t __n, \
585 _Array<_Tp> __b, _Array<size_t> __i) \
586 { \
587 _Tp* __p(__a._M_data); \
588 for (size_t* __j = __i._M_data; __j<__i._M_data + __n; \
589 ++__j, ++__p) \
590 *__p _Op##= __b._M_data[*__j]; \
591 } \
592 \
593 template<typename _Tp, class _Dom> \
594 void \
595 _Array_augmented_##_Name(_Array<_Tp> __a, _Array<size_t> __i, \
596 const _Expr<_Dom, _Tp>& __e, size_t __n) \
597 { \
598 size_t* __j(__i._M_data); \
599 for (size_t __k = 0; __k<__n; ++__k, ++__j) \
600 __a._M_data[*__j] _Op##= __e[__k]; \
601 } \
602 \
603 template<typename _Tp> \
604 void \
605 _Array_augmented_##_Name(_Array<_Tp> __a, _Array<bool> __m, \
606 _Array<_Tp> __b, size_t __n) \
607 { \
608 bool* __ok(__m._M_data); \
609 _Tp* __p(__a._M_data); \
610 for (_Tp* __q = __b._M_data; __q < __b._M_data + __n; \
611 ++__q, ++__ok, ++__p) \
612 { \
613 while (! *__ok) \
614 { \
615 ++__ok; \
616 ++__p; \
617 } \
618 *__p _Op##= *__q; \
619 } \
620 } \
621 \
622 template<typename _Tp> \
623 void \
624 _Array_augmented_##_Name(_Array<_Tp> __a, size_t __n, \
625 _Array<_Tp> __b, _Array<bool> __m) \
626 { \
627 bool* __ok(__m._M_data); \
628 _Tp* __q(__b._M_data); \
629 for (_Tp* __p = __a._M_data; __p < __a._M_data + __n; \
630 ++__p, ++__ok, ++__q) \
631 { \
632 while (! *__ok) \
633 { \
634 ++__ok; \
635 ++__q; \
636 } \
637 *__p _Op##= *__q; \
638 } \
639 } \
640 \
641 template<typename _Tp, class _Dom> \
642 void \
643 _Array_augmented_##_Name(_Array<_Tp> __a, _Array<bool> __m, \
644 const _Expr<_Dom, _Tp>& __e, size_t __n) \
645 { \
646 bool* __ok(__m._M_data); \
647 _Tp* __p(__a._M_data); \
648 for (size_t __i = 0; __i < __n; ++__i, ++__ok, ++__p) \
649 { \
650 while (! *__ok) \
651 { \
652 ++__ok; \
653 ++__p; \
654 } \
655 *__p _Op##= __e[__i]; \
656 } \
657 }
658
659 _DEFINE_ARRAY_FUNCTION(+, __plus)
660 _DEFINE_ARRAY_FUNCTION(-, __minus)
661 _DEFINE_ARRAY_FUNCTION(*, __multiplies)
662 _DEFINE_ARRAY_FUNCTION(/, __divides)
663 _DEFINE_ARRAY_FUNCTION(%, __modulus)
664 _DEFINE_ARRAY_FUNCTION(^, __bitwise_xor)
665 _DEFINE_ARRAY_FUNCTION(|, __bitwise_or)
666 _DEFINE_ARRAY_FUNCTION(&, __bitwise_and)
667 _DEFINE_ARRAY_FUNCTION(<<, __shift_left)
668 _DEFINE_ARRAY_FUNCTION(>>, __shift_right)
669
670#undef _DEFINE_ARRAY_FUNCTION
671
672_GLIBCXX_END_NAMESPACE_VERSION
673} // namespace
674
675# include <bits/valarray_array.tcc>
676
677#endif /* _ARRAY_H */
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