libstdc++
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00001 // The template and inlines for the -*- C++ -*- valarray class. 00002 00003 // Copyright (C) 1997-2018 Free Software Foundation, Inc. 00004 // 00005 // This file is part of the GNU ISO C++ Library. This library is free 00006 // software; you can redistribute it and/or modify it under the 00007 // terms of the GNU General Public License as published by the 00008 // Free Software Foundation; either version 3, or (at your option) 00009 // any later version. 00010 00011 // This library is distributed in the hope that it will be useful, 00012 // but WITHOUT ANY WARRANTY; without even the implied warranty of 00013 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00014 // GNU General Public License for more details. 00015 00016 // Under Section 7 of GPL version 3, you are granted additional 00017 // permissions described in the GCC Runtime Library Exception, version 00018 // 3.1, as published by the Free Software Foundation. 00019 00020 // You should have received a copy of the GNU General Public License and 00021 // a copy of the GCC Runtime Library Exception along with this program; 00022 // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see 00023 // <http://www.gnu.org/licenses/>. 00024 00025 /** @file include/valarray 00026 * This is a Standard C++ Library header. 00027 */ 00028 00029 // Written by Gabriel Dos Reis <Gabriel.Dos-Reis@DPTMaths.ENS-Cachan.Fr> 00030 00031 #ifndef _GLIBCXX_VALARRAY 00032 #define _GLIBCXX_VALARRAY 1 00033 00034 #pragma GCC system_header 00035 00036 #include <bits/c++config.h> 00037 #include <cmath> 00038 #include <algorithm> 00039 #include <debug/debug.h> 00040 #if __cplusplus >= 201103L 00041 #include <initializer_list> 00042 #endif 00043 00044 namespace std _GLIBCXX_VISIBILITY(default) 00045 { 00046 _GLIBCXX_BEGIN_NAMESPACE_VERSION 00047 00048 template<class _Clos, typename _Tp> 00049 class _Expr; 00050 00051 template<typename _Tp1, typename _Tp2> 00052 class _ValArray; 00053 00054 template<class _Oper, template<class, class> class _Meta, class _Dom> 00055 struct _UnClos; 00056 00057 template<class _Oper, 00058 template<class, class> class _Meta1, 00059 template<class, class> class _Meta2, 00060 class _Dom1, class _Dom2> 00061 class _BinClos; 00062 00063 template<template<class, class> class _Meta, class _Dom> 00064 class _SClos; 00065 00066 template<template<class, class> class _Meta, class _Dom> 00067 class _GClos; 00068 00069 template<template<class, class> class _Meta, class _Dom> 00070 class _IClos; 00071 00072 template<template<class, class> class _Meta, class _Dom> 00073 class _ValFunClos; 00074 00075 template<template<class, class> class _Meta, class _Dom> 00076 class _RefFunClos; 00077 00078 template<class _Tp> class valarray; // An array of type _Tp 00079 class slice; // BLAS-like slice out of an array 00080 template<class _Tp> class slice_array; 00081 class gslice; // generalized slice out of an array 00082 template<class _Tp> class gslice_array; 00083 template<class _Tp> class mask_array; // masked array 00084 template<class _Tp> class indirect_array; // indirected array 00085 00086 _GLIBCXX_END_NAMESPACE_VERSION 00087 } // namespace 00088 00089 #include <bits/valarray_array.h> 00090 #include <bits/valarray_before.h> 00091 00092 namespace std _GLIBCXX_VISIBILITY(default) 00093 { 00094 _GLIBCXX_BEGIN_NAMESPACE_VERSION 00095 00096 /** 00097 * @defgroup numeric_arrays Numeric Arrays 00098 * @ingroup numerics 00099 * 00100 * Classes and functions for representing and manipulating arrays of elements. 00101 * @{ 00102 */ 00103 00104 /** 00105 * @brief Smart array designed to support numeric processing. 00106 * 00107 * A valarray is an array that provides constraints intended to allow for 00108 * effective optimization of numeric array processing by reducing the 00109 * aliasing that can result from pointer representations. It represents a 00110 * one-dimensional array from which different multidimensional subsets can 00111 * be accessed and modified. 00112 * 00113 * @tparam _Tp Type of object in the array. 00114 */ 00115 template<class _Tp> 00116 class valarray 00117 { 00118 template<class _Op> 00119 struct _UnaryOp 00120 { 00121 typedef typename __fun<_Op, _Tp>::result_type __rt; 00122 typedef _Expr<_UnClos<_Op, _ValArray, _Tp>, __rt> _Rt; 00123 }; 00124 public: 00125 typedef _Tp value_type; 00126 00127 // _lib.valarray.cons_ construct/destroy: 00128 /// Construct an empty array. 00129 valarray(); 00130 00131 /// Construct an array with @a n elements. 00132 explicit valarray(size_t); 00133 00134 /// Construct an array with @a n elements initialized to @a t. 00135 valarray(const _Tp&, size_t); 00136 00137 /// Construct an array initialized to the first @a n elements of @a t. 00138 valarray(const _Tp* __restrict__, size_t); 00139 00140 /// Copy constructor. 00141 valarray(const valarray&); 00142 00143 #if __cplusplus >= 201103L 00144 /// Move constructor. 00145 valarray(valarray&&) noexcept; 00146 #endif 00147 00148 /// Construct an array with the same size and values in @a sa. 00149 valarray(const slice_array<_Tp>&); 00150 00151 /// Construct an array with the same size and values in @a ga. 00152 valarray(const gslice_array<_Tp>&); 00153 00154 /// Construct an array with the same size and values in @a ma. 00155 valarray(const mask_array<_Tp>&); 00156 00157 /// Construct an array with the same size and values in @a ia. 00158 valarray(const indirect_array<_Tp>&); 00159 00160 #if __cplusplus >= 201103L 00161 /// Construct an array with an initializer_list of values. 00162 valarray(initializer_list<_Tp>); 00163 #endif 00164 00165 template<class _Dom> 00166 valarray(const _Expr<_Dom, _Tp>& __e); 00167 00168 ~valarray() _GLIBCXX_NOEXCEPT; 00169 00170 // _lib.valarray.assign_ assignment: 00171 /** 00172 * @brief Assign elements to an array. 00173 * 00174 * Assign elements of array to values in @a v. 00175 * 00176 * @param __v Valarray to get values from. 00177 */ 00178 valarray<_Tp>& operator=(const valarray<_Tp>& __v); 00179 00180 #if __cplusplus >= 201103L 00181 /** 00182 * @brief Move assign elements to an array. 00183 * 00184 * Move assign elements of array to values in @a v. 00185 * 00186 * @param __v Valarray to get values from. 00187 */ 00188 valarray<_Tp>& operator=(valarray<_Tp>&& __v) noexcept; 00189 #endif 00190 00191 /** 00192 * @brief Assign elements to a value. 00193 * 00194 * Assign all elements of array to @a t. 00195 * 00196 * @param __t Value for elements. 00197 */ 00198 valarray<_Tp>& operator=(const _Tp& __t); 00199 00200 /** 00201 * @brief Assign elements to an array subset. 00202 * 00203 * Assign elements of array to values in @a sa. Results are undefined 00204 * if @a sa does not have the same size as this array. 00205 * 00206 * @param __sa Array slice to get values from. 00207 */ 00208 valarray<_Tp>& operator=(const slice_array<_Tp>& __sa); 00209 00210 /** 00211 * @brief Assign elements to an array subset. 00212 * 00213 * Assign elements of array to values in @a ga. Results are undefined 00214 * if @a ga does not have the same size as this array. 00215 * 00216 * @param __ga Array slice to get values from. 00217 */ 00218 valarray<_Tp>& operator=(const gslice_array<_Tp>& __ga); 00219 00220 /** 00221 * @brief Assign elements to an array subset. 00222 * 00223 * Assign elements of array to values in @a ma. Results are undefined 00224 * if @a ma does not have the same size as this array. 00225 * 00226 * @param __ma Array slice to get values from. 00227 */ 00228 valarray<_Tp>& operator=(const mask_array<_Tp>& __ma); 00229 00230 /** 00231 * @brief Assign elements to an array subset. 00232 * 00233 * Assign elements of array to values in @a ia. Results are undefined 00234 * if @a ia does not have the same size as this array. 00235 * 00236 * @param __ia Array slice to get values from. 00237 */ 00238 valarray<_Tp>& operator=(const indirect_array<_Tp>& __ia); 00239 00240 #if __cplusplus >= 201103L 00241 /** 00242 * @brief Assign elements to an initializer_list. 00243 * 00244 * Assign elements of array to values in @a __l. Results are undefined 00245 * if @a __l does not have the same size as this array. 00246 * 00247 * @param __l initializer_list to get values from. 00248 */ 00249 valarray& operator=(initializer_list<_Tp> __l); 00250 #endif 00251 00252 template<class _Dom> valarray<_Tp>& 00253 operator= (const _Expr<_Dom, _Tp>&); 00254 00255 // _lib.valarray.access_ element access: 00256 /** 00257 * Return a reference to the i'th array element. 00258 * 00259 * @param __i Index of element to return. 00260 * @return Reference to the i'th element. 00261 */ 00262 _Tp& operator[](size_t __i); 00263 00264 // _GLIBCXX_RESOLVE_LIB_DEFECTS 00265 // 389. Const overload of valarray::operator[] returns by value. 00266 const _Tp& operator[](size_t) const; 00267 00268 // _lib.valarray.sub_ subset operations: 00269 /** 00270 * @brief Return an array subset. 00271 * 00272 * Returns a new valarray containing the elements of the array 00273 * indicated by the slice argument. The new valarray has the same size 00274 * as the input slice. @see slice. 00275 * 00276 * @param __s The source slice. 00277 * @return New valarray containing elements in @a __s. 00278 */ 00279 _Expr<_SClos<_ValArray, _Tp>, _Tp> operator[](slice __s) const; 00280 00281 /** 00282 * @brief Return a reference to an array subset. 00283 * 00284 * Returns a new valarray containing the elements of the array 00285 * indicated by the slice argument. The new valarray has the same size 00286 * as the input slice. @see slice. 00287 * 00288 * @param __s The source slice. 00289 * @return New valarray containing elements in @a __s. 00290 */ 00291 slice_array<_Tp> operator[](slice __s); 00292 00293 /** 00294 * @brief Return an array subset. 00295 * 00296 * Returns a slice_array referencing the elements of the array 00297 * indicated by the slice argument. @see gslice. 00298 * 00299 * @param __s The source slice. 00300 * @return Slice_array referencing elements indicated by @a __s. 00301 */ 00302 _Expr<_GClos<_ValArray, _Tp>, _Tp> operator[](const gslice& __s) const; 00303 00304 /** 00305 * @brief Return a reference to an array subset. 00306 * 00307 * Returns a new valarray containing the elements of the array 00308 * indicated by the gslice argument. The new valarray has 00309 * the same size as the input gslice. @see gslice. 00310 * 00311 * @param __s The source gslice. 00312 * @return New valarray containing elements in @a __s. 00313 */ 00314 gslice_array<_Tp> operator[](const gslice& __s); 00315 00316 /** 00317 * @brief Return an array subset. 00318 * 00319 * Returns a new valarray containing the elements of the array 00320 * indicated by the argument. The input is a valarray of bool which 00321 * represents a bitmask indicating which elements should be copied into 00322 * the new valarray. Each element of the array is added to the return 00323 * valarray if the corresponding element of the argument is true. 00324 * 00325 * @param __m The valarray bitmask. 00326 * @return New valarray containing elements indicated by @a __m. 00327 */ 00328 valarray<_Tp> operator[](const valarray<bool>& __m) const; 00329 00330 /** 00331 * @brief Return a reference to an array subset. 00332 * 00333 * Returns a new mask_array referencing the elements of the array 00334 * indicated by the argument. The input is a valarray of bool which 00335 * represents a bitmask indicating which elements are part of the 00336 * subset. Elements of the array are part of the subset if the 00337 * corresponding element of the argument is true. 00338 * 00339 * @param __m The valarray bitmask. 00340 * @return New valarray containing elements indicated by @a __m. 00341 */ 00342 mask_array<_Tp> operator[](const valarray<bool>& __m); 00343 00344 /** 00345 * @brief Return an array subset. 00346 * 00347 * Returns a new valarray containing the elements of the array 00348 * indicated by the argument. The elements in the argument are 00349 * interpreted as the indices of elements of this valarray to copy to 00350 * the return valarray. 00351 * 00352 * @param __i The valarray element index list. 00353 * @return New valarray containing elements in @a __s. 00354 */ 00355 _Expr<_IClos<_ValArray, _Tp>, _Tp> 00356 operator[](const valarray<size_t>& __i) const; 00357 00358 /** 00359 * @brief Return a reference to an array subset. 00360 * 00361 * Returns an indirect_array referencing the elements of the array 00362 * indicated by the argument. The elements in the argument are 00363 * interpreted as the indices of elements of this valarray to include 00364 * in the subset. The returned indirect_array refers to these 00365 * elements. 00366 * 00367 * @param __i The valarray element index list. 00368 * @return Indirect_array referencing elements in @a __i. 00369 */ 00370 indirect_array<_Tp> operator[](const valarray<size_t>& __i); 00371 00372 // _lib.valarray.unary_ unary operators: 00373 /// Return a new valarray by applying unary + to each element. 00374 typename _UnaryOp<__unary_plus>::_Rt operator+() const; 00375 00376 /// Return a new valarray by applying unary - to each element. 00377 typename _UnaryOp<__negate>::_Rt operator-() const; 00378 00379 /// Return a new valarray by applying unary ~ to each element. 00380 typename _UnaryOp<__bitwise_not>::_Rt operator~() const; 00381 00382 /// Return a new valarray by applying unary ! to each element. 00383 typename _UnaryOp<__logical_not>::_Rt operator!() const; 00384 00385 // _lib.valarray.cassign_ computed assignment: 00386 /// Multiply each element of array by @a t. 00387 valarray<_Tp>& operator*=(const _Tp&); 00388 00389 /// Divide each element of array by @a t. 00390 valarray<_Tp>& operator/=(const _Tp&); 00391 00392 /// Set each element e of array to e % @a t. 00393 valarray<_Tp>& operator%=(const _Tp&); 00394 00395 /// Add @a t to each element of array. 00396 valarray<_Tp>& operator+=(const _Tp&); 00397 00398 /// Subtract @a t to each element of array. 00399 valarray<_Tp>& operator-=(const _Tp&); 00400 00401 /// Set each element e of array to e ^ @a t. 00402 valarray<_Tp>& operator^=(const _Tp&); 00403 00404 /// Set each element e of array to e & @a t. 00405 valarray<_Tp>& operator&=(const _Tp&); 00406 00407 /// Set each element e of array to e | @a t. 00408 valarray<_Tp>& operator|=(const _Tp&); 00409 00410 /// Left shift each element e of array by @a t bits. 00411 valarray<_Tp>& operator<<=(const _Tp&); 00412 00413 /// Right shift each element e of array by @a t bits. 00414 valarray<_Tp>& operator>>=(const _Tp&); 00415 00416 /// Multiply elements of array by corresponding elements of @a v. 00417 valarray<_Tp>& operator*=(const valarray<_Tp>&); 00418 00419 /// Divide elements of array by corresponding elements of @a v. 00420 valarray<_Tp>& operator/=(const valarray<_Tp>&); 00421 00422 /// Modulo elements of array by corresponding elements of @a v. 00423 valarray<_Tp>& operator%=(const valarray<_Tp>&); 00424 00425 /// Add corresponding elements of @a v to elements of array. 00426 valarray<_Tp>& operator+=(const valarray<_Tp>&); 00427 00428 /// Subtract corresponding elements of @a v from elements of array. 00429 valarray<_Tp>& operator-=(const valarray<_Tp>&); 00430 00431 /// Logical xor corresponding elements of @a v with elements of array. 00432 valarray<_Tp>& operator^=(const valarray<_Tp>&); 00433 00434 /// Logical or corresponding elements of @a v with elements of array. 00435 valarray<_Tp>& operator|=(const valarray<_Tp>&); 00436 00437 /// Logical and corresponding elements of @a v with elements of array. 00438 valarray<_Tp>& operator&=(const valarray<_Tp>&); 00439 00440 /// Left shift elements of array by corresponding elements of @a v. 00441 valarray<_Tp>& operator<<=(const valarray<_Tp>&); 00442 00443 /// Right shift elements of array by corresponding elements of @a v. 00444 valarray<_Tp>& operator>>=(const valarray<_Tp>&); 00445 00446 template<class _Dom> 00447 valarray<_Tp>& operator*=(const _Expr<_Dom, _Tp>&); 00448 template<class _Dom> 00449 valarray<_Tp>& operator/=(const _Expr<_Dom, _Tp>&); 00450 template<class _Dom> 00451 valarray<_Tp>& operator%=(const _Expr<_Dom, _Tp>&); 00452 template<class _Dom> 00453 valarray<_Tp>& operator+=(const _Expr<_Dom, _Tp>&); 00454 template<class _Dom> 00455 valarray<_Tp>& operator-=(const _Expr<_Dom, _Tp>&); 00456 template<class _Dom> 00457 valarray<_Tp>& operator^=(const _Expr<_Dom, _Tp>&); 00458 template<class _Dom> 00459 valarray<_Tp>& operator|=(const _Expr<_Dom, _Tp>&); 00460 template<class _Dom> 00461 valarray<_Tp>& operator&=(const _Expr<_Dom, _Tp>&); 00462 template<class _Dom> 00463 valarray<_Tp>& operator<<=(const _Expr<_Dom, _Tp>&); 00464 template<class _Dom> 00465 valarray<_Tp>& operator>>=(const _Expr<_Dom, _Tp>&); 00466 00467 // _lib.valarray.members_ member functions: 00468 #if __cplusplus >= 201103L 00469 /// Swap. 00470 void swap(valarray<_Tp>& __v) noexcept; 00471 #endif 00472 00473 /// Return the number of elements in array. 00474 size_t size() const; 00475 00476 /** 00477 * @brief Return the sum of all elements in the array. 00478 * 00479 * Accumulates the sum of all elements into a Tp using +=. The order 00480 * of adding the elements is unspecified. 00481 */ 00482 _Tp sum() const; 00483 00484 /// Return the minimum element using operator<(). 00485 _Tp min() const; 00486 00487 /// Return the maximum element using operator<(). 00488 _Tp max() const; 00489 00490 /** 00491 * @brief Return a shifted array. 00492 * 00493 * A new valarray is constructed as a copy of this array with elements 00494 * in shifted positions. For an element with index i, the new position 00495 * is i - n. The new valarray has the same size as the current one. 00496 * New elements without a value are set to 0. Elements whose new 00497 * position is outside the bounds of the array are discarded. 00498 * 00499 * Positive arguments shift toward index 0, discarding elements [0, n). 00500 * Negative arguments discard elements from the top of the array. 00501 * 00502 * @param __n Number of element positions to shift. 00503 * @return New valarray with elements in shifted positions. 00504 */ 00505 valarray<_Tp> shift (int __n) const; 00506 00507 /** 00508 * @brief Return a rotated array. 00509 * 00510 * A new valarray is constructed as a copy of this array with elements 00511 * in shifted positions. For an element with index i, the new position 00512 * is (i - n) % size(). The new valarray has the same size as the 00513 * current one. Elements that are shifted beyond the array bounds are 00514 * shifted into the other end of the array. No elements are lost. 00515 * 00516 * Positive arguments shift toward index 0, wrapping around the top. 00517 * Negative arguments shift towards the top, wrapping around to 0. 00518 * 00519 * @param __n Number of element positions to rotate. 00520 * @return New valarray with elements in shifted positions. 00521 */ 00522 valarray<_Tp> cshift(int __n) const; 00523 00524 /** 00525 * @brief Apply a function to the array. 00526 * 00527 * Returns a new valarray with elements assigned to the result of 00528 * applying func to the corresponding element of this array. The new 00529 * array has the same size as this one. 00530 * 00531 * @param func Function of Tp returning Tp to apply. 00532 * @return New valarray with transformed elements. 00533 */ 00534 _Expr<_ValFunClos<_ValArray, _Tp>, _Tp> apply(_Tp func(_Tp)) const; 00535 00536 /** 00537 * @brief Apply a function to the array. 00538 * 00539 * Returns a new valarray with elements assigned to the result of 00540 * applying func to the corresponding element of this array. The new 00541 * array has the same size as this one. 00542 * 00543 * @param func Function of const Tp& returning Tp to apply. 00544 * @return New valarray with transformed elements. 00545 */ 00546 _Expr<_RefFunClos<_ValArray, _Tp>, _Tp> apply(_Tp func(const _Tp&)) const; 00547 00548 /** 00549 * @brief Resize array. 00550 * 00551 * Resize this array to @a size and set all elements to @a c. All 00552 * references and iterators are invalidated. 00553 * 00554 * @param __size New array size. 00555 * @param __c New value for all elements. 00556 */ 00557 void resize(size_t __size, _Tp __c = _Tp()); 00558 00559 private: 00560 size_t _M_size; 00561 _Tp* __restrict__ _M_data; 00562 00563 friend class _Array<_Tp>; 00564 }; 00565 00566 #if __cpp_deduction_guides >= 201606 00567 template<typename _Tp, size_t _Nm> 00568 valarray(const _Tp(&)[_Nm], size_t) -> valarray<_Tp>; 00569 #endif 00570 00571 template<typename _Tp> 00572 inline const _Tp& 00573 valarray<_Tp>::operator[](size_t __i) const 00574 { 00575 __glibcxx_requires_subscript(__i); 00576 return _M_data[__i]; 00577 } 00578 00579 template<typename _Tp> 00580 inline _Tp& 00581 valarray<_Tp>::operator[](size_t __i) 00582 { 00583 __glibcxx_requires_subscript(__i); 00584 return _M_data[__i]; 00585 } 00586 00587 // @} group numeric_arrays 00588 00589 _GLIBCXX_END_NAMESPACE_VERSION 00590 } // namespace 00591 00592 #include <bits/valarray_after.h> 00593 #include <bits/slice_array.h> 00594 #include <bits/gslice.h> 00595 #include <bits/gslice_array.h> 00596 #include <bits/mask_array.h> 00597 #include <bits/indirect_array.h> 00598 00599 namespace std _GLIBCXX_VISIBILITY(default) 00600 { 00601 _GLIBCXX_BEGIN_NAMESPACE_VERSION 00602 00603 /** 00604 * @addtogroup numeric_arrays 00605 * @{ 00606 */ 00607 00608 template<typename _Tp> 00609 inline 00610 valarray<_Tp>::valarray() : _M_size(0), _M_data(0) {} 00611 00612 template<typename _Tp> 00613 inline 00614 valarray<_Tp>::valarray(size_t __n) 00615 : _M_size(__n), _M_data(__valarray_get_storage<_Tp>(__n)) 00616 { std::__valarray_default_construct(_M_data, _M_data + __n); } 00617 00618 template<typename _Tp> 00619 inline 00620 valarray<_Tp>::valarray(const _Tp& __t, size_t __n) 00621 : _M_size(__n), _M_data(__valarray_get_storage<_Tp>(__n)) 00622 { std::__valarray_fill_construct(_M_data, _M_data + __n, __t); } 00623 00624 template<typename _Tp> 00625 inline 00626 valarray<_Tp>::valarray(const _Tp* __restrict__ __p, size_t __n) 00627 : _M_size(__n), _M_data(__valarray_get_storage<_Tp>(__n)) 00628 { 00629 __glibcxx_assert(__p != 0 || __n == 0); 00630 std::__valarray_copy_construct(__p, __p + __n, _M_data); 00631 } 00632 00633 template<typename _Tp> 00634 inline 00635 valarray<_Tp>::valarray(const valarray<_Tp>& __v) 00636 : _M_size(__v._M_size), _M_data(__valarray_get_storage<_Tp>(__v._M_size)) 00637 { std::__valarray_copy_construct(__v._M_data, __v._M_data + _M_size, 00638 _M_data); } 00639 00640 #if __cplusplus >= 201103L 00641 template<typename _Tp> 00642 inline 00643 valarray<_Tp>::valarray(valarray<_Tp>&& __v) noexcept 00644 : _M_size(__v._M_size), _M_data(__v._M_data) 00645 { 00646 __v._M_size = 0; 00647 __v._M_data = 0; 00648 } 00649 #endif 00650 00651 template<typename _Tp> 00652 inline 00653 valarray<_Tp>::valarray(const slice_array<_Tp>& __sa) 00654 : _M_size(__sa._M_sz), _M_data(__valarray_get_storage<_Tp>(__sa._M_sz)) 00655 { 00656 std::__valarray_copy_construct 00657 (__sa._M_array, __sa._M_sz, __sa._M_stride, _Array<_Tp>(_M_data)); 00658 } 00659 00660 template<typename _Tp> 00661 inline 00662 valarray<_Tp>::valarray(const gslice_array<_Tp>& __ga) 00663 : _M_size(__ga._M_index.size()), 00664 _M_data(__valarray_get_storage<_Tp>(_M_size)) 00665 { 00666 std::__valarray_copy_construct 00667 (__ga._M_array, _Array<size_t>(__ga._M_index), 00668 _Array<_Tp>(_M_data), _M_size); 00669 } 00670 00671 template<typename _Tp> 00672 inline 00673 valarray<_Tp>::valarray(const mask_array<_Tp>& __ma) 00674 : _M_size(__ma._M_sz), _M_data(__valarray_get_storage<_Tp>(__ma._M_sz)) 00675 { 00676 std::__valarray_copy_construct 00677 (__ma._M_array, __ma._M_mask, _Array<_Tp>(_M_data), _M_size); 00678 } 00679 00680 template<typename _Tp> 00681 inline 00682 valarray<_Tp>::valarray(const indirect_array<_Tp>& __ia) 00683 : _M_size(__ia._M_sz), _M_data(__valarray_get_storage<_Tp>(__ia._M_sz)) 00684 { 00685 std::__valarray_copy_construct 00686 (__ia._M_array, __ia._M_index, _Array<_Tp>(_M_data), _M_size); 00687 } 00688 00689 #if __cplusplus >= 201103L 00690 template<typename _Tp> 00691 inline 00692 valarray<_Tp>::valarray(initializer_list<_Tp> __l) 00693 : _M_size(__l.size()), _M_data(__valarray_get_storage<_Tp>(__l.size())) 00694 { std::__valarray_copy_construct(__l.begin(), __l.end(), _M_data); } 00695 #endif 00696 00697 template<typename _Tp> template<class _Dom> 00698 inline 00699 valarray<_Tp>::valarray(const _Expr<_Dom, _Tp>& __e) 00700 : _M_size(__e.size()), _M_data(__valarray_get_storage<_Tp>(_M_size)) 00701 { std::__valarray_copy_construct(__e, _M_size, _Array<_Tp>(_M_data)); } 00702 00703 template<typename _Tp> 00704 inline 00705 valarray<_Tp>::~valarray() _GLIBCXX_NOEXCEPT 00706 { 00707 std::__valarray_destroy_elements(_M_data, _M_data + _M_size); 00708 std::__valarray_release_memory(_M_data); 00709 } 00710 00711 template<typename _Tp> 00712 inline valarray<_Tp>& 00713 valarray<_Tp>::operator=(const valarray<_Tp>& __v) 00714 { 00715 // _GLIBCXX_RESOLVE_LIB_DEFECTS 00716 // 630. arrays of valarray. 00717 if (_M_size == __v._M_size) 00718 std::__valarray_copy(__v._M_data, _M_size, _M_data); 00719 else 00720 { 00721 if (_M_data) 00722 { 00723 std::__valarray_destroy_elements(_M_data, _M_data + _M_size); 00724 std::__valarray_release_memory(_M_data); 00725 } 00726 _M_size = __v._M_size; 00727 _M_data = __valarray_get_storage<_Tp>(_M_size); 00728 std::__valarray_copy_construct(__v._M_data, __v._M_data + _M_size, 00729 _M_data); 00730 } 00731 return *this; 00732 } 00733 00734 #if __cplusplus >= 201103L 00735 template<typename _Tp> 00736 inline valarray<_Tp>& 00737 valarray<_Tp>::operator=(valarray<_Tp>&& __v) noexcept 00738 { 00739 if (_M_data) 00740 { 00741 std::__valarray_destroy_elements(_M_data, _M_data + _M_size); 00742 std::__valarray_release_memory(_M_data); 00743 } 00744 _M_size = __v._M_size; 00745 _M_data = __v._M_data; 00746 __v._M_size = 0; 00747 __v._M_data = 0; 00748 return *this; 00749 } 00750 00751 template<typename _Tp> 00752 inline valarray<_Tp>& 00753 valarray<_Tp>::operator=(initializer_list<_Tp> __l) 00754 { 00755 // _GLIBCXX_RESOLVE_LIB_DEFECTS 00756 // 630. arrays of valarray. 00757 if (_M_size == __l.size()) 00758 std::__valarray_copy(__l.begin(), __l.size(), _M_data); 00759 else 00760 { 00761 if (_M_data) 00762 { 00763 std::__valarray_destroy_elements(_M_data, _M_data + _M_size); 00764 std::__valarray_release_memory(_M_data); 00765 } 00766 _M_size = __l.size(); 00767 _M_data = __valarray_get_storage<_Tp>(_M_size); 00768 std::__valarray_copy_construct(__l.begin(), __l.begin() + _M_size, 00769 _M_data); 00770 } 00771 return *this; 00772 } 00773 #endif 00774 00775 template<typename _Tp> 00776 inline valarray<_Tp>& 00777 valarray<_Tp>::operator=(const _Tp& __t) 00778 { 00779 std::__valarray_fill(_M_data, _M_size, __t); 00780 return *this; 00781 } 00782 00783 template<typename _Tp> 00784 inline valarray<_Tp>& 00785 valarray<_Tp>::operator=(const slice_array<_Tp>& __sa) 00786 { 00787 __glibcxx_assert(_M_size == __sa._M_sz); 00788 std::__valarray_copy(__sa._M_array, __sa._M_sz, 00789 __sa._M_stride, _Array<_Tp>(_M_data)); 00790 return *this; 00791 } 00792 00793 template<typename _Tp> 00794 inline valarray<_Tp>& 00795 valarray<_Tp>::operator=(const gslice_array<_Tp>& __ga) 00796 { 00797 __glibcxx_assert(_M_size == __ga._M_index.size()); 00798 std::__valarray_copy(__ga._M_array, _Array<size_t>(__ga._M_index), 00799 _Array<_Tp>(_M_data), _M_size); 00800 return *this; 00801 } 00802 00803 template<typename _Tp> 00804 inline valarray<_Tp>& 00805 valarray<_Tp>::operator=(const mask_array<_Tp>& __ma) 00806 { 00807 __glibcxx_assert(_M_size == __ma._M_sz); 00808 std::__valarray_copy(__ma._M_array, __ma._M_mask, 00809 _Array<_Tp>(_M_data), _M_size); 00810 return *this; 00811 } 00812 00813 template<typename _Tp> 00814 inline valarray<_Tp>& 00815 valarray<_Tp>::operator=(const indirect_array<_Tp>& __ia) 00816 { 00817 __glibcxx_assert(_M_size == __ia._M_sz); 00818 std::__valarray_copy(__ia._M_array, __ia._M_index, 00819 _Array<_Tp>(_M_data), _M_size); 00820 return *this; 00821 } 00822 00823 template<typename _Tp> template<class _Dom> 00824 inline valarray<_Tp>& 00825 valarray<_Tp>::operator=(const _Expr<_Dom, _Tp>& __e) 00826 { 00827 // _GLIBCXX_RESOLVE_LIB_DEFECTS 00828 // 630. arrays of valarray. 00829 if (_M_size == __e.size()) 00830 std::__valarray_copy(__e, _M_size, _Array<_Tp>(_M_data)); 00831 else 00832 { 00833 if (_M_data) 00834 { 00835 std::__valarray_destroy_elements(_M_data, _M_data + _M_size); 00836 std::__valarray_release_memory(_M_data); 00837 } 00838 _M_size = __e.size(); 00839 _M_data = __valarray_get_storage<_Tp>(_M_size); 00840 std::__valarray_copy_construct(__e, _M_size, _Array<_Tp>(_M_data)); 00841 } 00842 return *this; 00843 } 00844 00845 template<typename _Tp> 00846 inline _Expr<_SClos<_ValArray,_Tp>, _Tp> 00847 valarray<_Tp>::operator[](slice __s) const 00848 { 00849 typedef _SClos<_ValArray,_Tp> _Closure; 00850 return _Expr<_Closure, _Tp>(_Closure (_Array<_Tp>(_M_data), __s)); 00851 } 00852 00853 template<typename _Tp> 00854 inline slice_array<_Tp> 00855 valarray<_Tp>::operator[](slice __s) 00856 { return slice_array<_Tp>(_Array<_Tp>(_M_data), __s); } 00857 00858 template<typename _Tp> 00859 inline _Expr<_GClos<_ValArray,_Tp>, _Tp> 00860 valarray<_Tp>::operator[](const gslice& __gs) const 00861 { 00862 typedef _GClos<_ValArray,_Tp> _Closure; 00863 return _Expr<_Closure, _Tp> 00864 (_Closure(_Array<_Tp>(_M_data), __gs._M_index->_M_index)); 00865 } 00866 00867 template<typename _Tp> 00868 inline gslice_array<_Tp> 00869 valarray<_Tp>::operator[](const gslice& __gs) 00870 { 00871 return gslice_array<_Tp> 00872 (_Array<_Tp>(_M_data), __gs._M_index->_M_index); 00873 } 00874 00875 template<typename _Tp> 00876 inline valarray<_Tp> 00877 valarray<_Tp>::operator[](const valarray<bool>& __m) const 00878 { 00879 size_t __s = 0; 00880 size_t __e = __m.size(); 00881 for (size_t __i=0; __i<__e; ++__i) 00882 if (__m[__i]) ++__s; 00883 return valarray<_Tp>(mask_array<_Tp>(_Array<_Tp>(_M_data), __s, 00884 _Array<bool> (__m))); 00885 } 00886 00887 template<typename _Tp> 00888 inline mask_array<_Tp> 00889 valarray<_Tp>::operator[](const valarray<bool>& __m) 00890 { 00891 size_t __s = 0; 00892 size_t __e = __m.size(); 00893 for (size_t __i=0; __i<__e; ++__i) 00894 if (__m[__i]) ++__s; 00895 return mask_array<_Tp>(_Array<_Tp>(_M_data), __s, _Array<bool>(__m)); 00896 } 00897 00898 template<typename _Tp> 00899 inline _Expr<_IClos<_ValArray,_Tp>, _Tp> 00900 valarray<_Tp>::operator[](const valarray<size_t>& __i) const 00901 { 00902 typedef _IClos<_ValArray,_Tp> _Closure; 00903 return _Expr<_Closure, _Tp>(_Closure(*this, __i)); 00904 } 00905 00906 template<typename _Tp> 00907 inline indirect_array<_Tp> 00908 valarray<_Tp>::operator[](const valarray<size_t>& __i) 00909 { 00910 return indirect_array<_Tp>(_Array<_Tp>(_M_data), __i.size(), 00911 _Array<size_t>(__i)); 00912 } 00913 00914 #if __cplusplus >= 201103L 00915 template<class _Tp> 00916 inline void 00917 valarray<_Tp>::swap(valarray<_Tp>& __v) noexcept 00918 { 00919 std::swap(_M_size, __v._M_size); 00920 std::swap(_M_data, __v._M_data); 00921 } 00922 #endif 00923 00924 template<class _Tp> 00925 inline size_t 00926 valarray<_Tp>::size() const 00927 { return _M_size; } 00928 00929 template<class _Tp> 00930 inline _Tp 00931 valarray<_Tp>::sum() const 00932 { 00933 __glibcxx_assert(_M_size > 0); 00934 return std::__valarray_sum(_M_data, _M_data + _M_size); 00935 } 00936 00937 template<class _Tp> 00938 inline valarray<_Tp> 00939 valarray<_Tp>::shift(int __n) const 00940 { 00941 valarray<_Tp> __ret; 00942 00943 if (_M_size == 0) 00944 return __ret; 00945 00946 _Tp* __restrict__ __tmp_M_data = 00947 std::__valarray_get_storage<_Tp>(_M_size); 00948 00949 if (__n == 0) 00950 std::__valarray_copy_construct(_M_data, 00951 _M_data + _M_size, __tmp_M_data); 00952 else if (__n > 0) // shift left 00953 { 00954 if (size_t(__n) > _M_size) 00955 __n = int(_M_size); 00956 00957 std::__valarray_copy_construct(_M_data + __n, 00958 _M_data + _M_size, __tmp_M_data); 00959 std::__valarray_default_construct(__tmp_M_data + _M_size - __n, 00960 __tmp_M_data + _M_size); 00961 } 00962 else // shift right 00963 { 00964 if (-size_t(__n) > _M_size) 00965 __n = -int(_M_size); 00966 00967 std::__valarray_copy_construct(_M_data, _M_data + _M_size + __n, 00968 __tmp_M_data - __n); 00969 std::__valarray_default_construct(__tmp_M_data, 00970 __tmp_M_data - __n); 00971 } 00972 00973 __ret._M_size = _M_size; 00974 __ret._M_data = __tmp_M_data; 00975 return __ret; 00976 } 00977 00978 template<class _Tp> 00979 inline valarray<_Tp> 00980 valarray<_Tp>::cshift(int __n) const 00981 { 00982 valarray<_Tp> __ret; 00983 00984 if (_M_size == 0) 00985 return __ret; 00986 00987 _Tp* __restrict__ __tmp_M_data = 00988 std::__valarray_get_storage<_Tp>(_M_size); 00989 00990 if (__n == 0) 00991 std::__valarray_copy_construct(_M_data, 00992 _M_data + _M_size, __tmp_M_data); 00993 else if (__n > 0) // cshift left 00994 { 00995 if (size_t(__n) > _M_size) 00996 __n = int(__n % _M_size); 00997 00998 std::__valarray_copy_construct(_M_data, _M_data + __n, 00999 __tmp_M_data + _M_size - __n); 01000 std::__valarray_copy_construct(_M_data + __n, _M_data + _M_size, 01001 __tmp_M_data); 01002 } 01003 else // cshift right 01004 { 01005 if (-size_t(__n) > _M_size) 01006 __n = -int(-size_t(__n) % _M_size); 01007 01008 std::__valarray_copy_construct(_M_data + _M_size + __n, 01009 _M_data + _M_size, __tmp_M_data); 01010 std::__valarray_copy_construct(_M_data, _M_data + _M_size + __n, 01011 __tmp_M_data - __n); 01012 } 01013 01014 __ret._M_size = _M_size; 01015 __ret._M_data = __tmp_M_data; 01016 return __ret; 01017 } 01018 01019 template<class _Tp> 01020 inline void 01021 valarray<_Tp>::resize(size_t __n, _Tp __c) 01022 { 01023 // This complication is so to make valarray<valarray<T> > work 01024 // even though it is not required by the standard. Nobody should 01025 // be saying valarray<valarray<T> > anyway. See the specs. 01026 std::__valarray_destroy_elements(_M_data, _M_data + _M_size); 01027 if (_M_size != __n) 01028 { 01029 std::__valarray_release_memory(_M_data); 01030 _M_size = __n; 01031 _M_data = __valarray_get_storage<_Tp>(__n); 01032 } 01033 std::__valarray_fill_construct(_M_data, _M_data + __n, __c); 01034 } 01035 01036 template<typename _Tp> 01037 inline _Tp 01038 valarray<_Tp>::min() const 01039 { 01040 __glibcxx_assert(_M_size > 0); 01041 return *std::min_element(_M_data, _M_data + _M_size); 01042 } 01043 01044 template<typename _Tp> 01045 inline _Tp 01046 valarray<_Tp>::max() const 01047 { 01048 __glibcxx_assert(_M_size > 0); 01049 return *std::max_element(_M_data, _M_data + _M_size); 01050 } 01051 01052 template<class _Tp> 01053 inline _Expr<_ValFunClos<_ValArray, _Tp>, _Tp> 01054 valarray<_Tp>::apply(_Tp func(_Tp)) const 01055 { 01056 typedef _ValFunClos<_ValArray, _Tp> _Closure; 01057 return _Expr<_Closure, _Tp>(_Closure(*this, func)); 01058 } 01059 01060 template<class _Tp> 01061 inline _Expr<_RefFunClos<_ValArray, _Tp>, _Tp> 01062 valarray<_Tp>::apply(_Tp func(const _Tp &)) const 01063 { 01064 typedef _RefFunClos<_ValArray, _Tp> _Closure; 01065 return _Expr<_Closure, _Tp>(_Closure(*this, func)); 01066 } 01067 01068 #define _DEFINE_VALARRAY_UNARY_OPERATOR(_Op, _Name) \ 01069 template<typename _Tp> \ 01070 inline typename valarray<_Tp>::template _UnaryOp<_Name>::_Rt \ 01071 valarray<_Tp>::operator _Op() const \ 01072 { \ 01073 typedef _UnClos<_Name, _ValArray, _Tp> _Closure; \ 01074 typedef typename __fun<_Name, _Tp>::result_type _Rt; \ 01075 return _Expr<_Closure, _Rt>(_Closure(*this)); \ 01076 } 01077 01078 _DEFINE_VALARRAY_UNARY_OPERATOR(+, __unary_plus) 01079 _DEFINE_VALARRAY_UNARY_OPERATOR(-, __negate) 01080 _DEFINE_VALARRAY_UNARY_OPERATOR(~, __bitwise_not) 01081 _DEFINE_VALARRAY_UNARY_OPERATOR (!, __logical_not) 01082 01083 #undef _DEFINE_VALARRAY_UNARY_OPERATOR 01084 01085 #define _DEFINE_VALARRAY_AUGMENTED_ASSIGNMENT(_Op, _Name) \ 01086 template<class _Tp> \ 01087 inline valarray<_Tp>& \ 01088 valarray<_Tp>::operator _Op##=(const _Tp &__t) \ 01089 { \ 01090 _Array_augmented_##_Name(_Array<_Tp>(_M_data), _M_size, __t); \ 01091 return *this; \ 01092 } \ 01093 \ 01094 template<class _Tp> \ 01095 inline valarray<_Tp>& \ 01096 valarray<_Tp>::operator _Op##=(const valarray<_Tp> &__v) \ 01097 { \ 01098 __glibcxx_assert(_M_size == __v._M_size); \ 01099 _Array_augmented_##_Name(_Array<_Tp>(_M_data), _M_size, \ 01100 _Array<_Tp>(__v._M_data)); \ 01101 return *this; \ 01102 } 01103 01104 _DEFINE_VALARRAY_AUGMENTED_ASSIGNMENT(+, __plus) 01105 _DEFINE_VALARRAY_AUGMENTED_ASSIGNMENT(-, __minus) 01106 _DEFINE_VALARRAY_AUGMENTED_ASSIGNMENT(*, __multiplies) 01107 _DEFINE_VALARRAY_AUGMENTED_ASSIGNMENT(/, __divides) 01108 _DEFINE_VALARRAY_AUGMENTED_ASSIGNMENT(%, __modulus) 01109 _DEFINE_VALARRAY_AUGMENTED_ASSIGNMENT(^, __bitwise_xor) 01110 _DEFINE_VALARRAY_AUGMENTED_ASSIGNMENT(&, __bitwise_and) 01111 _DEFINE_VALARRAY_AUGMENTED_ASSIGNMENT(|, __bitwise_or) 01112 _DEFINE_VALARRAY_AUGMENTED_ASSIGNMENT(<<, __shift_left) 01113 _DEFINE_VALARRAY_AUGMENTED_ASSIGNMENT(>>, __shift_right) 01114 01115 #undef _DEFINE_VALARRAY_AUGMENTED_ASSIGNMENT 01116 01117 #define _DEFINE_VALARRAY_EXPR_AUGMENTED_ASSIGNMENT(_Op, _Name) \ 01118 template<class _Tp> template<class _Dom> \ 01119 inline valarray<_Tp>& \ 01120 valarray<_Tp>::operator _Op##=(const _Expr<_Dom, _Tp>& __e) \ 01121 { \ 01122 _Array_augmented_##_Name(_Array<_Tp>(_M_data), __e, _M_size); \ 01123 return *this; \ 01124 } 01125 01126 _DEFINE_VALARRAY_EXPR_AUGMENTED_ASSIGNMENT(+, __plus) 01127 _DEFINE_VALARRAY_EXPR_AUGMENTED_ASSIGNMENT(-, __minus) 01128 _DEFINE_VALARRAY_EXPR_AUGMENTED_ASSIGNMENT(*, __multiplies) 01129 _DEFINE_VALARRAY_EXPR_AUGMENTED_ASSIGNMENT(/, __divides) 01130 _DEFINE_VALARRAY_EXPR_AUGMENTED_ASSIGNMENT(%, __modulus) 01131 _DEFINE_VALARRAY_EXPR_AUGMENTED_ASSIGNMENT(^, __bitwise_xor) 01132 _DEFINE_VALARRAY_EXPR_AUGMENTED_ASSIGNMENT(&, __bitwise_and) 01133 _DEFINE_VALARRAY_EXPR_AUGMENTED_ASSIGNMENT(|, __bitwise_or) 01134 _DEFINE_VALARRAY_EXPR_AUGMENTED_ASSIGNMENT(<<, __shift_left) 01135 _DEFINE_VALARRAY_EXPR_AUGMENTED_ASSIGNMENT(>>, __shift_right) 01136 01137 #undef _DEFINE_VALARRAY_EXPR_AUGMENTED_ASSIGNMENT 01138 01139 01140 #define _DEFINE_BINARY_OPERATOR(_Op, _Name) \ 01141 template<typename _Tp> \ 01142 inline _Expr<_BinClos<_Name, _ValArray, _ValArray, _Tp, _Tp>, \ 01143 typename __fun<_Name, _Tp>::result_type> \ 01144 operator _Op(const valarray<_Tp>& __v, const valarray<_Tp>& __w) \ 01145 { \ 01146 __glibcxx_assert(__v.size() == __w.size()); \ 01147 typedef _BinClos<_Name, _ValArray, _ValArray, _Tp, _Tp> _Closure; \ 01148 typedef typename __fun<_Name, _Tp>::result_type _Rt; \ 01149 return _Expr<_Closure, _Rt>(_Closure(__v, __w)); \ 01150 } \ 01151 \ 01152 template<typename _Tp> \ 01153 inline _Expr<_BinClos<_Name, _ValArray,_Constant, _Tp, _Tp>, \ 01154 typename __fun<_Name, _Tp>::result_type> \ 01155 operator _Op(const valarray<_Tp>& __v, const _Tp& __t) \ 01156 { \ 01157 typedef _BinClos<_Name, _ValArray, _Constant, _Tp, _Tp> _Closure; \ 01158 typedef typename __fun<_Name, _Tp>::result_type _Rt; \ 01159 return _Expr<_Closure, _Rt>(_Closure(__v, __t)); \ 01160 } \ 01161 \ 01162 template<typename _Tp> \ 01163 inline _Expr<_BinClos<_Name, _Constant, _ValArray, _Tp, _Tp>, \ 01164 typename __fun<_Name, _Tp>::result_type> \ 01165 operator _Op(const _Tp& __t, const valarray<_Tp>& __v) \ 01166 { \ 01167 typedef _BinClos<_Name, _Constant, _ValArray, _Tp, _Tp> _Closure; \ 01168 typedef typename __fun<_Name, _Tp>::result_type _Rt; \ 01169 return _Expr<_Closure, _Rt>(_Closure(__t, __v)); \ 01170 } 01171 01172 _DEFINE_BINARY_OPERATOR(+, __plus) 01173 _DEFINE_BINARY_OPERATOR(-, __minus) 01174 _DEFINE_BINARY_OPERATOR(*, __multiplies) 01175 _DEFINE_BINARY_OPERATOR(/, __divides) 01176 _DEFINE_BINARY_OPERATOR(%, __modulus) 01177 _DEFINE_BINARY_OPERATOR(^, __bitwise_xor) 01178 _DEFINE_BINARY_OPERATOR(&, __bitwise_and) 01179 _DEFINE_BINARY_OPERATOR(|, __bitwise_or) 01180 _DEFINE_BINARY_OPERATOR(<<, __shift_left) 01181 _DEFINE_BINARY_OPERATOR(>>, __shift_right) 01182 _DEFINE_BINARY_OPERATOR(&&, __logical_and) 01183 _DEFINE_BINARY_OPERATOR(||, __logical_or) 01184 _DEFINE_BINARY_OPERATOR(==, __equal_to) 01185 _DEFINE_BINARY_OPERATOR(!=, __not_equal_to) 01186 _DEFINE_BINARY_OPERATOR(<, __less) 01187 _DEFINE_BINARY_OPERATOR(>, __greater) 01188 _DEFINE_BINARY_OPERATOR(<=, __less_equal) 01189 _DEFINE_BINARY_OPERATOR(>=, __greater_equal) 01190 01191 #undef _DEFINE_BINARY_OPERATOR 01192 01193 #if __cplusplus >= 201103L 01194 /** 01195 * @brief Return an iterator pointing to the first element of 01196 * the valarray. 01197 * @param __va valarray. 01198 */ 01199 template<class _Tp> 01200 inline _Tp* 01201 begin(valarray<_Tp>& __va) 01202 { return std::__addressof(__va[0]); } 01203 01204 /** 01205 * @brief Return an iterator pointing to the first element of 01206 * the const valarray. 01207 * @param __va valarray. 01208 */ 01209 template<class _Tp> 01210 inline const _Tp* 01211 begin(const valarray<_Tp>& __va) 01212 { return std::__addressof(__va[0]); } 01213 01214 /** 01215 * @brief Return an iterator pointing to one past the last element of 01216 * the valarray. 01217 * @param __va valarray. 01218 */ 01219 template<class _Tp> 01220 inline _Tp* 01221 end(valarray<_Tp>& __va) 01222 { return std::__addressof(__va[0]) + __va.size(); } 01223 01224 /** 01225 * @brief Return an iterator pointing to one past the last element of 01226 * the const valarray. 01227 * @param __va valarray. 01228 */ 01229 template<class _Tp> 01230 inline const _Tp* 01231 end(const valarray<_Tp>& __va) 01232 { return std::__addressof(__va[0]) + __va.size(); } 01233 #endif // C++11 01234 01235 // @} group numeric_arrays 01236 01237 _GLIBCXX_END_NAMESPACE_VERSION 01238 } // namespace 01239 01240 #endif /* _GLIBCXX_VALARRAY */