| 1 |
17 |
jlechner |
// The template and inlines for the -*- C++ -*- internal _Array helper class.
|
| 2 |
|
|
|
| 3 |
|
|
// Copyright (C) 1997, 1998, 1999, 2000, 2003, 2004, 2005
|
| 4 |
|
|
// Free Software Foundation, Inc.
|
| 5 |
|
|
//
|
| 6 |
|
|
// This file is part of the GNU ISO C++ Library. This library is free
|
| 7 |
|
|
// software; you can redistribute it and/or modify it under the
|
| 8 |
|
|
// terms of the GNU General Public License as published by the
|
| 9 |
|
|
// Free Software Foundation; either version 2, or (at your option)
|
| 10 |
|
|
// any later version.
|
| 11 |
|
|
|
| 12 |
|
|
// This library is distributed in the hope that it will be useful,
|
| 13 |
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
| 14 |
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
| 15 |
|
|
// GNU General Public License for more details.
|
| 16 |
|
|
|
| 17 |
|
|
// You should have received a copy of the GNU General Public License along
|
| 18 |
|
|
// with this library; see the file COPYING. If not, write to the Free
|
| 19 |
|
|
// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
|
| 20 |
|
|
// USA.
|
| 21 |
|
|
|
| 22 |
|
|
// As a special exception, you may use this file as part of a free software
|
| 23 |
|
|
// library without restriction. Specifically, if other files instantiate
|
| 24 |
|
|
// templates or use macros or inline functions from this file, or you compile
|
| 25 |
|
|
// this file and link it with other files to produce an executable, this
|
| 26 |
|
|
// file does not by itself cause the resulting executable to be covered by
|
| 27 |
|
|
// the GNU General Public License. This exception does not however
|
| 28 |
|
|
// invalidate any other reasons why the executable file might be covered by
|
| 29 |
|
|
// the GNU General Public License.
|
| 30 |
|
|
|
| 31 |
|
|
// Written by Gabriel Dos Reis <Gabriel.Dos-Reis@DPTMaths.ENS-Cachan.Fr>
|
| 32 |
|
|
|
| 33 |
|
|
/** @file valarray_array.h
|
| 34 |
|
|
* This is an internal header file, included by other library headers.
|
| 35 |
|
|
* You should not attempt to use it directly.
|
| 36 |
|
|
*/
|
| 37 |
|
|
|
| 38 |
|
|
#ifndef _VALARRAY_ARRAY_H
|
| 39 |
|
|
#define _VALARRAY_ARRAY_H 1
|
| 40 |
|
|
|
| 41 |
|
|
#pragma GCC system_header
|
| 42 |
|
|
|
| 43 |
|
|
#include <bits/c++config.h>
|
| 44 |
|
|
#include <bits/cpp_type_traits.h>
|
| 45 |
|
|
#include <cstdlib>
|
| 46 |
|
|
#include <cstring>
|
| 47 |
|
|
#include <new>
|
| 48 |
|
|
|
| 49 |
|
|
namespace std
|
| 50 |
|
|
{
|
| 51 |
|
|
//
|
| 52 |
|
|
// Helper functions on raw pointers
|
| 53 |
|
|
//
|
| 54 |
|
|
|
| 55 |
|
|
// We get memory by the old fashion way
|
| 56 |
|
|
inline void*
|
| 57 |
|
|
__valarray_get_memory(size_t __n)
|
| 58 |
|
|
{ return operator new(__n); }
|
| 59 |
|
|
|
| 60 |
|
|
template<typename _Tp>
|
| 61 |
|
|
inline _Tp*__restrict__
|
| 62 |
|
|
__valarray_get_storage(size_t __n)
|
| 63 |
|
|
{
|
| 64 |
|
|
return static_cast<_Tp*__restrict__>
|
| 65 |
|
|
(std::__valarray_get_memory(__n * sizeof(_Tp)));
|
| 66 |
|
|
}
|
| 67 |
|
|
|
| 68 |
|
|
// Return memory to the system
|
| 69 |
|
|
inline void
|
| 70 |
|
|
__valarray_release_memory(void* __p)
|
| 71 |
|
|
{ operator delete(__p); }
|
| 72 |
|
|
|
| 73 |
|
|
// Turn a raw-memory into an array of _Tp filled with _Tp()
|
| 74 |
|
|
// This is required in 'valarray<T> v(n);'
|
| 75 |
|
|
template<typename _Tp, bool>
|
| 76 |
|
|
struct _Array_default_ctor
|
| 77 |
|
|
{
|
| 78 |
|
|
// Please note that this isn't exception safe. But
|
| 79 |
|
|
// valarrays aren't required to be exception safe.
|
| 80 |
|
|
inline static void
|
| 81 |
|
|
_S_do_it(_Tp* __restrict__ __b, _Tp* __restrict__ __e)
|
| 82 |
|
|
{
|
| 83 |
|
|
while (__b != __e)
|
| 84 |
|
|
new(__b++) _Tp();
|
| 85 |
|
|
}
|
| 86 |
|
|
};
|
| 87 |
|
|
|
| 88 |
|
|
template<typename _Tp>
|
| 89 |
|
|
struct _Array_default_ctor<_Tp, true>
|
| 90 |
|
|
{
|
| 91 |
|
|
// For fundamental types, it suffices to say 'memset()'
|
| 92 |
|
|
inline static void
|
| 93 |
|
|
_S_do_it(_Tp* __restrict__ __b, _Tp* __restrict__ __e)
|
| 94 |
|
|
{ std::memset(__b, 0, (__e - __b) * sizeof(_Tp)); }
|
| 95 |
|
|
};
|
| 96 |
|
|
|
| 97 |
|
|
template<typename _Tp>
|
| 98 |
|
|
inline void
|
| 99 |
|
|
__valarray_default_construct(_Tp* __restrict__ __b, _Tp* __restrict__ __e)
|
| 100 |
|
|
{
|
| 101 |
|
|
_Array_default_ctor<_Tp, __is_fundamental<_Tp>::__value>::
|
| 102 |
|
|
_S_do_it(__b, __e);
|
| 103 |
|
|
}
|
| 104 |
|
|
|
| 105 |
|
|
// Turn a raw-memory into an array of _Tp filled with __t
|
| 106 |
|
|
// This is the required in valarray<T> v(n, t). Also
|
| 107 |
|
|
// used in valarray<>::resize().
|
| 108 |
|
|
template<typename _Tp, bool>
|
| 109 |
|
|
struct _Array_init_ctor
|
| 110 |
|
|
{
|
| 111 |
|
|
// Please note that this isn't exception safe. But
|
| 112 |
|
|
// valarrays aren't required to be exception safe.
|
| 113 |
|
|
inline static void
|
| 114 |
|
|
_S_do_it(_Tp* __restrict__ __b, _Tp* __restrict__ __e, const _Tp __t)
|
| 115 |
|
|
{
|
| 116 |
|
|
while (__b != __e)
|
| 117 |
|
|
new(__b++) _Tp(__t);
|
| 118 |
|
|
}
|
| 119 |
|
|
};
|
| 120 |
|
|
|
| 121 |
|
|
template<typename _Tp>
|
| 122 |
|
|
struct _Array_init_ctor<_Tp, true>
|
| 123 |
|
|
{
|
| 124 |
|
|
inline static void
|
| 125 |
|
|
_S_do_it(_Tp* __restrict__ __b, _Tp* __restrict__ __e, const _Tp __t)
|
| 126 |
|
|
{
|
| 127 |
|
|
while (__b != __e)
|
| 128 |
|
|
*__b++ = __t;
|
| 129 |
|
|
}
|
| 130 |
|
|
};
|
| 131 |
|
|
|
| 132 |
|
|
template<typename _Tp>
|
| 133 |
|
|
inline void
|
| 134 |
|
|
__valarray_fill_construct(_Tp* __restrict__ __b, _Tp* __restrict__ __e,
|
| 135 |
|
|
const _Tp __t)
|
| 136 |
|
|
{
|
| 137 |
|
|
_Array_init_ctor<_Tp, __is_fundamental<_Tp>::__value>::
|
| 138 |
|
|
_S_do_it(__b, __e, __t);
|
| 139 |
|
|
}
|
| 140 |
|
|
|
| 141 |
|
|
//
|
| 142 |
|
|
// copy-construct raw array [__o, *) from plain array [__b, __e)
|
| 143 |
|
|
// We can't just say 'memcpy()'
|
| 144 |
|
|
//
|
| 145 |
|
|
template<typename _Tp, bool>
|
| 146 |
|
|
struct _Array_copy_ctor
|
| 147 |
|
|
{
|
| 148 |
|
|
// Please note that this isn't exception safe. But
|
| 149 |
|
|
// valarrays aren't required to be exception safe.
|
| 150 |
|
|
inline static void
|
| 151 |
|
|
_S_do_it(const _Tp* __restrict__ __b, const _Tp* __restrict__ __e,
|
| 152 |
|
|
_Tp* __restrict__ __o)
|
| 153 |
|
|
{
|
| 154 |
|
|
while (__b != __e)
|
| 155 |
|
|
new(__o++) _Tp(*__b++);
|
| 156 |
|
|
}
|
| 157 |
|
|
};
|
| 158 |
|
|
|
| 159 |
|
|
template<typename _Tp>
|
| 160 |
|
|
struct _Array_copy_ctor<_Tp, true>
|
| 161 |
|
|
{
|
| 162 |
|
|
inline static void
|
| 163 |
|
|
_S_do_it(const _Tp* __restrict__ __b, const _Tp* __restrict__ __e,
|
| 164 |
|
|
_Tp* __restrict__ __o)
|
| 165 |
|
|
{ std::memcpy(__o, __b, (__e - __b)*sizeof(_Tp)); }
|
| 166 |
|
|
};
|
| 167 |
|
|
|
| 168 |
|
|
template<typename _Tp>
|
| 169 |
|
|
inline void
|
| 170 |
|
|
__valarray_copy_construct(const _Tp* __restrict__ __b,
|
| 171 |
|
|
const _Tp* __restrict__ __e,
|
| 172 |
|
|
_Tp* __restrict__ __o)
|
| 173 |
|
|
{
|
| 174 |
|
|
_Array_copy_ctor<_Tp, __is_fundamental<_Tp>::__value>::
|
| 175 |
|
|
_S_do_it(__b, __e, __o);
|
| 176 |
|
|
}
|
| 177 |
|
|
|
| 178 |
|
|
// copy-construct raw array [__o, *) from strided array __a[<__n : __s>]
|
| 179 |
|
|
template<typename _Tp>
|
| 180 |
|
|
inline void
|
| 181 |
|
|
__valarray_copy_construct (const _Tp* __restrict__ __a, size_t __n,
|
| 182 |
|
|
size_t __s, _Tp* __restrict__ __o)
|
| 183 |
|
|
{
|
| 184 |
|
|
if (__is_fundamental<_Tp>::__value)
|
| 185 |
|
|
while (__n--)
|
| 186 |
|
|
{
|
| 187 |
|
|
*__o++ = *__a;
|
| 188 |
|
|
__a += __s;
|
| 189 |
|
|
}
|
| 190 |
|
|
else
|
| 191 |
|
|
while (__n--)
|
| 192 |
|
|
{
|
| 193 |
|
|
new(__o++) _Tp(*__a);
|
| 194 |
|
|
__a += __s;
|
| 195 |
|
|
}
|
| 196 |
|
|
}
|
| 197 |
|
|
|
| 198 |
|
|
// copy-construct raw array [__o, *) from indexed array __a[__i[<__n>]]
|
| 199 |
|
|
template<typename _Tp>
|
| 200 |
|
|
inline void
|
| 201 |
|
|
__valarray_copy_construct (const _Tp* __restrict__ __a,
|
| 202 |
|
|
const size_t* __restrict__ __i,
|
| 203 |
|
|
_Tp* __restrict__ __o, size_t __n)
|
| 204 |
|
|
{
|
| 205 |
|
|
if (__is_fundamental<_Tp>::__value)
|
| 206 |
|
|
while (__n--)
|
| 207 |
|
|
*__o++ = __a[*__i++];
|
| 208 |
|
|
else
|
| 209 |
|
|
while (__n--)
|
| 210 |
|
|
new (__o++) _Tp(__a[*__i++]);
|
| 211 |
|
|
}
|
| 212 |
|
|
|
| 213 |
|
|
// Do the necessary cleanup when we're done with arrays.
|
| 214 |
|
|
template<typename _Tp>
|
| 215 |
|
|
inline void
|
| 216 |
|
|
__valarray_destroy_elements(_Tp* __restrict__ __b, _Tp* __restrict__ __e)
|
| 217 |
|
|
{
|
| 218 |
|
|
if (!__is_fundamental<_Tp>::__value)
|
| 219 |
|
|
while (__b != __e)
|
| 220 |
|
|
{
|
| 221 |
|
|
__b->~_Tp();
|
| 222 |
|
|
++__b;
|
| 223 |
|
|
}
|
| 224 |
|
|
}
|
| 225 |
|
|
|
| 226 |
|
|
// Fill a plain array __a[<__n>] with __t
|
| 227 |
|
|
template<typename _Tp>
|
| 228 |
|
|
inline void
|
| 229 |
|
|
__valarray_fill(_Tp* __restrict__ __a, size_t __n, const _Tp& __t)
|
| 230 |
|
|
{
|
| 231 |
|
|
while (__n--)
|
| 232 |
|
|
*__a++ = __t;
|
| 233 |
|
|
}
|
| 234 |
|
|
|
| 235 |
|
|
// fill strided array __a[<__n-1 : __s>] with __t
|
| 236 |
|
|
template<typename _Tp>
|
| 237 |
|
|
inline void
|
| 238 |
|
|
__valarray_fill(_Tp* __restrict__ __a, size_t __n,
|
| 239 |
|
|
size_t __s, const _Tp& __t)
|
| 240 |
|
|
{
|
| 241 |
|
|
for (size_t __i = 0; __i < __n; ++__i, __a += __s)
|
| 242 |
|
|
*__a = __t;
|
| 243 |
|
|
}
|
| 244 |
|
|
|
| 245 |
|
|
// fill indir ect array __a[__i[<__n>]] with __i
|
| 246 |
|
|
template<typename _Tp>
|
| 247 |
|
|
inline void
|
| 248 |
|
|
__valarray_fill(_Tp* __restrict__ __a, const size_t* __restrict__ __i,
|
| 249 |
|
|
size_t __n, const _Tp& __t)
|
| 250 |
|
|
{
|
| 251 |
|
|
for (size_t __j = 0; __j < __n; ++__j, ++__i)
|
| 252 |
|
|
__a[*__i] = __t;
|
| 253 |
|
|
}
|
| 254 |
|
|
|
| 255 |
|
|
// copy plain array __a[<__n>] in __b[<__n>]
|
| 256 |
|
|
// For non-fundamental types, it is wrong to say 'memcpy()'
|
| 257 |
|
|
template<typename _Tp, bool>
|
| 258 |
|
|
struct _Array_copier
|
| 259 |
|
|
{
|
| 260 |
|
|
inline static void
|
| 261 |
|
|
_S_do_it(const _Tp* __restrict__ __a, size_t __n, _Tp* __restrict__ __b)
|
| 262 |
|
|
{
|
| 263 |
|
|
while(__n--)
|
| 264 |
|
|
*__b++ = *__a++;
|
| 265 |
|
|
}
|
| 266 |
|
|
};
|
| 267 |
|
|
|
| 268 |
|
|
template<typename _Tp>
|
| 269 |
|
|
struct _Array_copier<_Tp, true>
|
| 270 |
|
|
{
|
| 271 |
|
|
inline static void
|
| 272 |
|
|
_S_do_it(const _Tp* __restrict__ __a, size_t __n, _Tp* __restrict__ __b)
|
| 273 |
|
|
{ std::memcpy (__b, __a, __n * sizeof (_Tp)); }
|
| 274 |
|
|
};
|
| 275 |
|
|
|
| 276 |
|
|
// Copy a plain array __a[<__n>] into a play array __b[<>]
|
| 277 |
|
|
template<typename _Tp>
|
| 278 |
|
|
inline void
|
| 279 |
|
|
__valarray_copy(const _Tp* __restrict__ __a, size_t __n,
|
| 280 |
|
|
_Tp* __restrict__ __b)
|
| 281 |
|
|
{
|
| 282 |
|
|
_Array_copier<_Tp, __is_fundamental<_Tp>::__value>::
|
| 283 |
|
|
_S_do_it(__a, __n, __b);
|
| 284 |
|
|
}
|
| 285 |
|
|
|
| 286 |
|
|
// Copy strided array __a[<__n : __s>] in plain __b[<__n>]
|
| 287 |
|
|
template<typename _Tp>
|
| 288 |
|
|
inline void
|
| 289 |
|
|
__valarray_copy(const _Tp* __restrict__ __a, size_t __n, size_t __s,
|
| 290 |
|
|
_Tp* __restrict__ __b)
|
| 291 |
|
|
{
|
| 292 |
|
|
for (size_t __i = 0; __i < __n; ++__i, ++__b, __a += __s)
|
| 293 |
|
|
*__b = *__a;
|
| 294 |
|
|
}
|
| 295 |
|
|
|
| 296 |
|
|
// Copy a plain array __a[<__n>] into a strided array __b[<__n : __s>]
|
| 297 |
|
|
template<typename _Tp>
|
| 298 |
|
|
inline void
|
| 299 |
|
|
__valarray_copy(const _Tp* __restrict__ __a, _Tp* __restrict__ __b,
|
| 300 |
|
|
size_t __n, size_t __s)
|
| 301 |
|
|
{
|
| 302 |
|
|
for (size_t __i = 0; __i < __n; ++__i, ++__a, __b += __s)
|
| 303 |
|
|
*__b = *__a;
|
| 304 |
|
|
}
|
| 305 |
|
|
|
| 306 |
|
|
// Copy strided array __src[<__n : __s1>] into another
|
| 307 |
|
|
// strided array __dst[< : __s2>]. Their sizes must match.
|
| 308 |
|
|
template<typename _Tp>
|
| 309 |
|
|
inline void
|
| 310 |
|
|
__valarray_copy(const _Tp* __restrict__ __src, size_t __n, size_t __s1,
|
| 311 |
|
|
_Tp* __restrict__ __dst, size_t __s2)
|
| 312 |
|
|
{
|
| 313 |
|
|
for (size_t __i = 0; __i < __n; ++__i)
|
| 314 |
|
|
__dst[__i * __s2] = __src[__i * __s1];
|
| 315 |
|
|
}
|
| 316 |
|
|
|
| 317 |
|
|
// Copy an indexed array __a[__i[<__n>]] in plain array __b[<__n>]
|
| 318 |
|
|
template<typename _Tp>
|
| 319 |
|
|
inline void
|
| 320 |
|
|
__valarray_copy(const _Tp* __restrict__ __a,
|
| 321 |
|
|
const size_t* __restrict__ __i,
|
| 322 |
|
|
_Tp* __restrict__ __b, size_t __n)
|
| 323 |
|
|
{
|
| 324 |
|
|
for (size_t __j = 0; __j < __n; ++__j, ++__b, ++__i)
|
| 325 |
|
|
*__b = __a[*__i];
|
| 326 |
|
|
}
|
| 327 |
|
|
|
| 328 |
|
|
// Copy a plain array __a[<__n>] in an indexed array __b[__i[<__n>]]
|
| 329 |
|
|
template<typename _Tp>
|
| 330 |
|
|
inline void
|
| 331 |
|
|
__valarray_copy(const _Tp* __restrict__ __a, size_t __n,
|
| 332 |
|
|
_Tp* __restrict__ __b, const size_t* __restrict__ __i)
|
| 333 |
|
|
{
|
| 334 |
|
|
for (size_t __j = 0; __j < __n; ++__j, ++__a, ++__i)
|
| 335 |
|
|
__b[*__i] = *__a;
|
| 336 |
|
|
}
|
| 337 |
|
|
|
| 338 |
|
|
// Copy the __n first elements of an indexed array __src[<__i>] into
|
| 339 |
|
|
// another indexed array __dst[<__j>].
|
| 340 |
|
|
template<typename _Tp>
|
| 341 |
|
|
inline void
|
| 342 |
|
|
__valarray_copy(const _Tp* __restrict__ __src, size_t __n,
|
| 343 |
|
|
const size_t* __restrict__ __i,
|
| 344 |
|
|
_Tp* __restrict__ __dst, const size_t* __restrict__ __j)
|
| 345 |
|
|
{
|
| 346 |
|
|
for (size_t __k = 0; __k < __n; ++__k)
|
| 347 |
|
|
__dst[*__j++] = __src[*__i++];
|
| 348 |
|
|
}
|
| 349 |
|
|
|
| 350 |
|
|
//
|
| 351 |
|
|
// Compute the sum of elements in range [__f, __l)
|
| 352 |
|
|
// This is a naive algorithm. It suffers from cancelling.
|
| 353 |
|
|
// In the future try to specialize
|
| 354 |
|
|
// for _Tp = float, double, long double using a more accurate
|
| 355 |
|
|
// algorithm.
|
| 356 |
|
|
//
|
| 357 |
|
|
template<typename _Tp>
|
| 358 |
|
|
inline _Tp
|
| 359 |
|
|
__valarray_sum(const _Tp* __restrict__ __f, const _Tp* __restrict__ __l)
|
| 360 |
|
|
{
|
| 361 |
|
|
_Tp __r = _Tp();
|
| 362 |
|
|
while (__f != __l)
|
| 363 |
|
|
__r += *__f++;
|
| 364 |
|
|
return __r;
|
| 365 |
|
|
}
|
| 366 |
|
|
|
| 367 |
|
|
// Compute the product of all elements in range [__f, __l)
|
| 368 |
|
|
template<typename _Tp>
|
| 369 |
|
|
inline _Tp
|
| 370 |
|
|
__valarray_product(const _Tp* __restrict__ __f,
|
| 371 |
|
|
const _Tp* __restrict__ __l)
|
| 372 |
|
|
{
|
| 373 |
|
|
_Tp __r = _Tp(1);
|
| 374 |
|
|
while (__f != __l)
|
| 375 |
|
|
__r = __r * *__f++;
|
| 376 |
|
|
return __r;
|
| 377 |
|
|
}
|
| 378 |
|
|
|
| 379 |
|
|
// Compute the min/max of an array-expression
|
| 380 |
|
|
template<typename _Ta>
|
| 381 |
|
|
inline typename _Ta::value_type
|
| 382 |
|
|
__valarray_min(const _Ta& __a)
|
| 383 |
|
|
{
|
| 384 |
|
|
size_t __s = __a.size();
|
| 385 |
|
|
typedef typename _Ta::value_type _Value_type;
|
| 386 |
|
|
_Value_type __r = __s == 0 ? _Value_type() : __a[0];
|
| 387 |
|
|
for (size_t __i = 1; __i < __s; ++__i)
|
| 388 |
|
|
{
|
| 389 |
|
|
_Value_type __t = __a[__i];
|
| 390 |
|
|
if (__t < __r)
|
| 391 |
|
|
__r = __t;
|
| 392 |
|
|
}
|
| 393 |
|
|
return __r;
|
| 394 |
|
|
}
|
| 395 |
|
|
|
| 396 |
|
|
template<typename _Ta>
|
| 397 |
|
|
inline typename _Ta::value_type
|
| 398 |
|
|
__valarray_max(const _Ta& __a)
|
| 399 |
|
|
{
|
| 400 |
|
|
size_t __s = __a.size();
|
| 401 |
|
|
typedef typename _Ta::value_type _Value_type;
|
| 402 |
|
|
_Value_type __r = __s == 0 ? _Value_type() : __a[0];
|
| 403 |
|
|
for (size_t __i = 1; __i < __s; ++__i)
|
| 404 |
|
|
{
|
| 405 |
|
|
_Value_type __t = __a[__i];
|
| 406 |
|
|
if (__t > __r)
|
| 407 |
|
|
__r = __t;
|
| 408 |
|
|
}
|
| 409 |
|
|
return __r;
|
| 410 |
|
|
}
|
| 411 |
|
|
|
| 412 |
|
|
//
|
| 413 |
|
|
// Helper class _Array, first layer of valarray abstraction.
|
| 414 |
|
|
// All operations on valarray should be forwarded to this class
|
| 415 |
|
|
// whenever possible. -- gdr
|
| 416 |
|
|
//
|
| 417 |
|
|
|
| 418 |
|
|
template<typename _Tp>
|
| 419 |
|
|
struct _Array
|
| 420 |
|
|
{
|
| 421 |
|
|
explicit _Array(size_t);
|
| 422 |
|
|
explicit _Array(_Tp* const __restrict__);
|
| 423 |
|
|
explicit _Array(const valarray<_Tp>&);
|
| 424 |
|
|
_Array(const _Tp* __restrict__, size_t);
|
| 425 |
|
|
|
| 426 |
|
|
_Tp* begin() const;
|
| 427 |
|
|
|
| 428 |
|
|
_Tp* const __restrict__ _M_data;
|
| 429 |
|
|
};
|
| 430 |
|
|
|
| 431 |
|
|
template<typename _Tp>
|
| 432 |
|
|
inline void
|
| 433 |
|
|
__valarray_fill (_Array<_Tp> __a, size_t __n, const _Tp& __t)
|
| 434 |
|
|
{ std::__valarray_fill(__a._M_data, __n, __t); }
|
| 435 |
|
|
|
| 436 |
|
|
template<typename _Tp>
|
| 437 |
|
|
inline void
|
| 438 |
|
|
__valarray_fill(_Array<_Tp> __a, size_t __n, size_t __s, const _Tp& __t)
|
| 439 |
|
|
{ std::__valarray_fill(__a._M_data, __n, __s, __t); }
|
| 440 |
|
|
|
| 441 |
|
|
template<typename _Tp>
|
| 442 |
|
|
inline void
|
| 443 |
|
|
__valarray_fill(_Array<_Tp> __a, _Array<size_t> __i,
|
| 444 |
|
|
size_t __n, const _Tp& __t)
|
| 445 |
|
|
{ std::__valarray_fill(__a._M_data, __i._M_data, __n, __t); }
|
| 446 |
|
|
|
| 447 |
|
|
// Copy a plain array __a[<__n>] into a play array __b[<>]
|
| 448 |
|
|
template<typename _Tp>
|
| 449 |
|
|
inline void
|
| 450 |
|
|
__valarray_copy(_Array<_Tp> __a, size_t __n, _Array<_Tp> __b)
|
| 451 |
|
|
{ std::__valarray_copy(__a._M_data, __n, __b._M_data); }
|
| 452 |
|
|
|
| 453 |
|
|
// Copy strided array __a[<__n : __s>] in plain __b[<__n>]
|
| 454 |
|
|
template<typename _Tp>
|
| 455 |
|
|
inline void
|
| 456 |
|
|
__valarray_copy(_Array<_Tp> __a, size_t __n, size_t __s, _Array<_Tp> __b)
|
| 457 |
|
|
{ std::__valarray_copy(__a._M_data, __n, __s, __b._M_data); }
|
| 458 |
|
|
|
| 459 |
|
|
// Copy a plain array __a[<__n>] into a strided array __b[<__n : __s>]
|
| 460 |
|
|
template<typename _Tp>
|
| 461 |
|
|
inline void
|
| 462 |
|
|
__valarray_copy(_Array<_Tp> __a, _Array<_Tp> __b, size_t __n, size_t __s)
|
| 463 |
|
|
{ __valarray_copy(__a._M_data, __b._M_data, __n, __s); }
|
| 464 |
|
|
|
| 465 |
|
|
// Copy strided array __src[<__n : __s1>] into another
|
| 466 |
|
|
// strided array __dst[< : __s2>]. Their sizes must match.
|
| 467 |
|
|
template<typename _Tp>
|
| 468 |
|
|
inline void
|
| 469 |
|
|
__valarray_copy(_Array<_Tp> __a, size_t __n, size_t __s1,
|
| 470 |
|
|
_Array<_Tp> __b, size_t __s2)
|
| 471 |
|
|
{ std::__valarray_copy(__a._M_data, __n, __s1, __b._M_data, __s2); }
|
| 472 |
|
|
|
| 473 |
|
|
// Copy an indexed array __a[__i[<__n>]] in plain array __b[<__n>]
|
| 474 |
|
|
template<typename _Tp>
|
| 475 |
|
|
inline void
|
| 476 |
|
|
__valarray_copy(_Array<_Tp> __a, _Array<size_t> __i,
|
| 477 |
|
|
_Array<_Tp> __b, size_t __n)
|
| 478 |
|
|
{ std::__valarray_copy(__a._M_data, __i._M_data, __b._M_data, __n); }
|
| 479 |
|
|
|
| 480 |
|
|
// Copy a plain array __a[<__n>] in an indexed array __b[__i[<__n>]]
|
| 481 |
|
|
template<typename _Tp>
|
| 482 |
|
|
inline void
|
| 483 |
|
|
__valarray_copy(_Array<_Tp> __a, size_t __n, _Array<_Tp> __b,
|
| 484 |
|
|
_Array<size_t> __i)
|
| 485 |
|
|
{ std::__valarray_copy(__a._M_data, __n, __b._M_data, __i._M_data); }
|
| 486 |
|
|
|
| 487 |
|
|
// Copy the __n first elements of an indexed array __src[<__i>] into
|
| 488 |
|
|
// another indexed array __dst[<__j>].
|
| 489 |
|
|
template<typename _Tp>
|
| 490 |
|
|
inline void
|
| 491 |
|
|
__valarray_copy(_Array<_Tp> __src, size_t __n, _Array<size_t> __i,
|
| 492 |
|
|
_Array<_Tp> __dst, _Array<size_t> __j)
|
| 493 |
|
|
{
|
| 494 |
|
|
std::__valarray_copy(__src._M_data, __n, __i._M_data,
|
| 495 |
|
|
__dst._M_data, __j._M_data);
|
| 496 |
|
|
}
|
| 497 |
|
|
|
| 498 |
|
|
template<typename _Tp>
|
| 499 |
|
|
inline
|
| 500 |
|
|
_Array<_Tp>::_Array(size_t __n)
|
| 501 |
|
|
: _M_data(__valarray_get_storage<_Tp>(__n))
|
| 502 |
|
|
{ std::__valarray_default_construct(_M_data, _M_data + __n); }
|
| 503 |
|
|
|
| 504 |
|
|
template<typename _Tp>
|
| 505 |
|
|
inline
|
| 506 |
|
|
_Array<_Tp>::_Array(_Tp* const __restrict__ __p)
|
| 507 |
|
|
: _M_data (__p) {}
|
| 508 |
|
|
|
| 509 |
|
|
template<typename _Tp>
|
| 510 |
|
|
inline
|
| 511 |
|
|
_Array<_Tp>::_Array(const valarray<_Tp>& __v)
|
| 512 |
|
|
: _M_data (__v._M_data) {}
|
| 513 |
|
|
|
| 514 |
|
|
template<typename _Tp>
|
| 515 |
|
|
inline
|
| 516 |
|
|
_Array<_Tp>::_Array(const _Tp* __restrict__ __b, size_t __s)
|
| 517 |
|
|
: _M_data(__valarray_get_storage<_Tp>(__s))
|
| 518 |
|
|
{ std::__valarray_copy_construct(__b, __s, _M_data); }
|
| 519 |
|
|
|
| 520 |
|
|
template<typename _Tp>
|
| 521 |
|
|
inline _Tp*
|
| 522 |
|
|
_Array<_Tp>::begin () const
|
| 523 |
|
|
{ return _M_data; }
|
| 524 |
|
|
|
| 525 |
|
|
#define _DEFINE_ARRAY_FUNCTION(_Op, _Name) \
|
| 526 |
|
|
template<typename _Tp> \
|
| 527 |
|
|
inline void \
|
| 528 |
|
|
_Array_augmented_##_Name(_Array<_Tp> __a, size_t __n, const _Tp& __t) \
|
| 529 |
|
|
{ \
|
| 530 |
|
|
for (_Tp* __p = __a._M_data; __p < __a._M_data + __n; ++__p) \
|
| 531 |
|
|
*__p _Op##= __t; \
|
| 532 |
|
|
} \
|
| 533 |
|
|
\
|
| 534 |
|
|
template<typename _Tp> \
|
| 535 |
|
|
inline void \
|
| 536 |
|
|
_Array_augmented_##_Name(_Array<_Tp> __a, size_t __n, _Array<_Tp> __b) \
|
| 537 |
|
|
{ \
|
| 538 |
|
|
_Tp* __p = __a._M_data; \
|
| 539 |
|
|
for (_Tp* __q = __b._M_data; __q < __b._M_data + __n; ++__p, ++__q) \
|
| 540 |
|
|
*__p _Op##= *__q; \
|
| 541 |
|
|
} \
|
| 542 |
|
|
\
|
| 543 |
|
|
template<typename _Tp, class _Dom> \
|
| 544 |
|
|
void \
|
| 545 |
|
|
_Array_augmented_##_Name(_Array<_Tp> __a, \
|
| 546 |
|
|
const _Expr<_Dom, _Tp>& __e, size_t __n) \
|
| 547 |
|
|
{ \
|
| 548 |
|
|
_Tp* __p(__a._M_data); \
|
| 549 |
|
|
for (size_t __i = 0; __i < __n; ++__i, ++__p) \
|
| 550 |
|
|
*__p _Op##= __e[__i]; \
|
| 551 |
|
|
} \
|
| 552 |
|
|
\
|
| 553 |
|
|
template<typename _Tp> \
|
| 554 |
|
|
inline void \
|
| 555 |
|
|
_Array_augmented_##_Name(_Array<_Tp> __a, size_t __n, size_t __s, \
|
| 556 |
|
|
_Array<_Tp> __b) \
|
| 557 |
|
|
{ \
|
| 558 |
|
|
_Tp* __q(__b._M_data); \
|
| 559 |
|
|
for (_Tp* __p = __a._M_data; __p < __a._M_data + __s * __n; \
|
| 560 |
|
|
__p += __s, ++__q) \
|
| 561 |
|
|
*__p _Op##= *__q; \
|
| 562 |
|
|
} \
|
| 563 |
|
|
\
|
| 564 |
|
|
template<typename _Tp> \
|
| 565 |
|
|
inline void \
|
| 566 |
|
|
_Array_augmented_##_Name(_Array<_Tp> __a, _Array<_Tp> __b, \
|
| 567 |
|
|
size_t __n, size_t __s) \
|
| 568 |
|
|
{ \
|
| 569 |
|
|
_Tp* __q(__b._M_data); \
|
| 570 |
|
|
for (_Tp* __p = __a._M_data; __p < __a._M_data + __n; \
|
| 571 |
|
|
++__p, __q += __s) \
|
| 572 |
|
|
*__p _Op##= *__q; \
|
| 573 |
|
|
} \
|
| 574 |
|
|
\
|
| 575 |
|
|
template<typename _Tp, class _Dom> \
|
| 576 |
|
|
void \
|
| 577 |
|
|
_Array_augmented_##_Name(_Array<_Tp> __a, size_t __s, \
|
| 578 |
|
|
const _Expr<_Dom, _Tp>& __e, size_t __n) \
|
| 579 |
|
|
{ \
|
| 580 |
|
|
_Tp* __p(__a._M_data); \
|
| 581 |
|
|
for (size_t __i = 0; __i < __n; ++__i, __p += __s) \
|
| 582 |
|
|
*__p _Op##= __e[__i]; \
|
| 583 |
|
|
} \
|
| 584 |
|
|
\
|
| 585 |
|
|
template<typename _Tp> \
|
| 586 |
|
|
inline void \
|
| 587 |
|
|
_Array_augmented_##_Name(_Array<_Tp> __a, _Array<size_t> __i, \
|
| 588 |
|
|
_Array<_Tp> __b, size_t __n) \
|
| 589 |
|
|
{ \
|
| 590 |
|
|
_Tp* __q(__b._M_data); \
|
| 591 |
|
|
for (size_t* __j = __i._M_data; __j < __i._M_data + __n; \
|
| 592 |
|
|
++__j, ++__q) \
|
| 593 |
|
|
__a._M_data[*__j] _Op##= *__q; \
|
| 594 |
|
|
} \
|
| 595 |
|
|
\
|
| 596 |
|
|
template<typename _Tp> \
|
| 597 |
|
|
inline void \
|
| 598 |
|
|
_Array_augmented_##_Name(_Array<_Tp> __a, size_t __n, \
|
| 599 |
|
|
_Array<_Tp> __b, _Array<size_t> __i) \
|
| 600 |
|
|
{ \
|
| 601 |
|
|
_Tp* __p(__a._M_data); \
|
| 602 |
|
|
for (size_t* __j = __i._M_data; __j<__i._M_data + __n; \
|
| 603 |
|
|
++__j, ++__p) \
|
| 604 |
|
|
*__p _Op##= __b._M_data[*__j]; \
|
| 605 |
|
|
} \
|
| 606 |
|
|
\
|
| 607 |
|
|
template<typename _Tp, class _Dom> \
|
| 608 |
|
|
void \
|
| 609 |
|
|
_Array_augmented_##_Name(_Array<_Tp> __a, _Array<size_t> __i, \
|
| 610 |
|
|
const _Expr<_Dom, _Tp>& __e, size_t __n) \
|
| 611 |
|
|
{ \
|
| 612 |
|
|
size_t* __j(__i._M_data); \
|
| 613 |
|
|
for (size_t __k = 0; __k<__n; ++__k, ++__j) \
|
| 614 |
|
|
__a._M_data[*__j] _Op##= __e[__k]; \
|
| 615 |
|
|
} \
|
| 616 |
|
|
\
|
| 617 |
|
|
template<typename _Tp> \
|
| 618 |
|
|
void \
|
| 619 |
|
|
_Array_augmented_##_Name(_Array<_Tp> __a, _Array<bool> __m, \
|
| 620 |
|
|
_Array<_Tp> __b, size_t __n) \
|
| 621 |
|
|
{ \
|
| 622 |
|
|
bool* __ok(__m._M_data); \
|
| 623 |
|
|
_Tp* __p(__a._M_data); \
|
| 624 |
|
|
for (_Tp* __q = __b._M_data; __q < __b._M_data + __n; \
|
| 625 |
|
|
++__q, ++__ok, ++__p) \
|
| 626 |
|
|
{ \
|
| 627 |
|
|
while (! *__ok) \
|
| 628 |
|
|
{ \
|
| 629 |
|
|
++__ok; \
|
| 630 |
|
|
++__p; \
|
| 631 |
|
|
} \
|
| 632 |
|
|
*__p _Op##= *__q; \
|
| 633 |
|
|
} \
|
| 634 |
|
|
} \
|
| 635 |
|
|
\
|
| 636 |
|
|
template<typename _Tp> \
|
| 637 |
|
|
void \
|
| 638 |
|
|
_Array_augmented_##_Name(_Array<_Tp> __a, size_t __n, \
|
| 639 |
|
|
_Array<_Tp> __b, _Array<bool> __m) \
|
| 640 |
|
|
{ \
|
| 641 |
|
|
bool* __ok(__m._M_data); \
|
| 642 |
|
|
_Tp* __q(__b._M_data); \
|
| 643 |
|
|
for (_Tp* __p = __a._M_data; __p < __a._M_data + __n; \
|
| 644 |
|
|
++__p, ++__ok, ++__q) \
|
| 645 |
|
|
{ \
|
| 646 |
|
|
while (! *__ok) \
|
| 647 |
|
|
{ \
|
| 648 |
|
|
++__ok; \
|
| 649 |
|
|
++__q; \
|
| 650 |
|
|
} \
|
| 651 |
|
|
*__p _Op##= *__q; \
|
| 652 |
|
|
} \
|
| 653 |
|
|
} \
|
| 654 |
|
|
\
|
| 655 |
|
|
template<typename _Tp, class _Dom> \
|
| 656 |
|
|
void \
|
| 657 |
|
|
_Array_augmented_##_Name(_Array<_Tp> __a, _Array<bool> __m, \
|
| 658 |
|
|
const _Expr<_Dom, _Tp>& __e, size_t __n) \
|
| 659 |
|
|
{ \
|
| 660 |
|
|
bool* __ok(__m._M_data); \
|
| 661 |
|
|
_Tp* __p(__a._M_data); \
|
| 662 |
|
|
for (size_t __i = 0; __i < __n; ++__i, ++__ok, ++__p) \
|
| 663 |
|
|
{ \
|
| 664 |
|
|
while (! *__ok) \
|
| 665 |
|
|
{ \
|
| 666 |
|
|
++__ok; \
|
| 667 |
|
|
++__p; \
|
| 668 |
|
|
} \
|
| 669 |
|
|
*__p _Op##= __e[__i]; \
|
| 670 |
|
|
} \
|
| 671 |
|
|
}
|
| 672 |
|
|
|
| 673 |
|
|
_DEFINE_ARRAY_FUNCTION(+, __plus)
|
| 674 |
|
|
_DEFINE_ARRAY_FUNCTION(-, __minus)
|
| 675 |
|
|
_DEFINE_ARRAY_FUNCTION(*, __multiplies)
|
| 676 |
|
|
_DEFINE_ARRAY_FUNCTION(/, __divides)
|
| 677 |
|
|
_DEFINE_ARRAY_FUNCTION(%, __modulus)
|
| 678 |
|
|
_DEFINE_ARRAY_FUNCTION(^, __bitwise_xor)
|
| 679 |
|
|
_DEFINE_ARRAY_FUNCTION(|, __bitwise_or)
|
| 680 |
|
|
_DEFINE_ARRAY_FUNCTION(&, __bitwise_and)
|
| 681 |
|
|
_DEFINE_ARRAY_FUNCTION(<<, __shift_left)
|
| 682 |
|
|
_DEFINE_ARRAY_FUNCTION(>>, __shift_right)
|
| 683 |
|
|
|
| 684 |
|
|
#undef _DEFINE_VALARRAY_FUNCTION
|
| 685 |
|
|
} // namespace std
|
| 686 |
|
|
|
| 687 |
|
|
#ifndef _GLIBCXX_EXPORT_TEMPLATE
|
| 688 |
|
|
# include <bits/valarray_array.tcc>
|
| 689 |
|
|
#endif
|
| 690 |
|
|
|
| 691 |
|
|
#endif /* _ARRAY_H */
|
