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ultra_embe |
// The template and inlines for the -*- C++ -*- internal _Array helper class.
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// Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
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// 2006, 2007, 2008, 2009, 2010, 2011
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// Free Software Foundation, Inc.
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//
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// This file is part of the GNU ISO C++ Library. This library is free
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// software; you can redistribute it and/or modify it under the
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// terms of the GNU General Public License as published by the
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// Free Software Foundation; either version 3, or (at your option)
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// any later version.
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// Under Section 7 of GPL version 3, you are granted additional
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// permissions described in the GCC Runtime Library Exception, version
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// 3.1, as published by the Free Software Foundation.
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// You should have received a copy of the GNU General Public License and
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// a copy of the GCC Runtime Library Exception along with this program;
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// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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// <http://www.gnu.org/licenses/>.
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/** @file bits/valarray_array.h
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* This is an internal header file, included by other library headers.
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* Do not attempt to use it directly. @headername{valarray}
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*/
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// Written by Gabriel Dos Reis <Gabriel.Dos-Reis@DPTMaths.ENS-Cachan.Fr>
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#ifndef _VALARRAY_ARRAY_H
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#define _VALARRAY_ARRAY_H 1
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#pragma GCC system_header
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#include <bits/c++config.h>
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#include <bits/cpp_type_traits.h>
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#include <cstdlib>
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#include <new>
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namespace std _GLIBCXX_VISIBILITY(default)
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{
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_GLIBCXX_BEGIN_NAMESPACE_VERSION
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| 48 |
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//
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| 49 |
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// Helper functions on raw pointers
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//
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| 52 |
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// We get memory by the old fashion way
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inline void*
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__valarray_get_memory(size_t __n)
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{ return operator new(__n); }
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| 57 |
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template<typename _Tp>
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inline _Tp*__restrict__
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__valarray_get_storage(size_t __n)
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{
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return static_cast<_Tp*__restrict__>
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(std::__valarray_get_memory(__n * sizeof(_Tp)));
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}
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| 65 |
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// Return memory to the system
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inline void
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__valarray_release_memory(void* __p)
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| 68 |
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{ operator delete(__p); }
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| 69 |
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| 70 |
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// Turn a raw-memory into an array of _Tp filled with _Tp()
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// This is required in 'valarray<T> v(n);'
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| 72 |
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template<typename _Tp, bool>
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struct _Array_default_ctor
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| 74 |
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{
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| 75 |
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// Please note that this isn't exception safe. But
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| 76 |
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// valarrays aren't required to be exception safe.
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| 77 |
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inline static void
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| 78 |
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_S_do_it(_Tp* __b, _Tp* __e)
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| 79 |
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{
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| 80 |
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while (__b != __e)
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new(__b++) _Tp();
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}
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};
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template<typename _Tp>
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struct _Array_default_ctor<_Tp, true>
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{
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| 88 |
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// For fundamental types, it suffices to say 'memset()'
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inline static void
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| 90 |
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_S_do_it(_Tp* __b, _Tp* __e)
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{ __builtin_memset(__b, 0, (__e - __b) * sizeof(_Tp)); }
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};
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template<typename _Tp>
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inline void
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__valarray_default_construct(_Tp* __b, _Tp* __e)
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| 97 |
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{
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| 98 |
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_Array_default_ctor<_Tp, __is_scalar<_Tp>::__value>::_S_do_it(__b, __e);
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}
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// Turn a raw-memory into an array of _Tp filled with __t
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// This is the required in valarray<T> v(n, t). Also
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| 103 |
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// used in valarray<>::resize().
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| 104 |
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template<typename _Tp, bool>
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struct _Array_init_ctor
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{
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| 107 |
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// Please note that this isn't exception safe. But
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// valarrays aren't required to be exception safe.
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inline static void
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_S_do_it(_Tp* __b, _Tp* __e, const _Tp __t)
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{
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while (__b != __e)
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new(__b++) _Tp(__t);
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}
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};
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template<typename _Tp>
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struct _Array_init_ctor<_Tp, true>
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{
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| 120 |
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inline static void
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_S_do_it(_Tp* __b, _Tp* __e, const _Tp __t)
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| 122 |
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{
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| 123 |
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while (__b != __e)
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*__b++ = __t;
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}
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};
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| 128 |
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template<typename _Tp>
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inline void
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__valarray_fill_construct(_Tp* __b, _Tp* __e, const _Tp __t)
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{
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_Array_init_ctor<_Tp, __is_trivial(_Tp)>::_S_do_it(__b, __e, __t);
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}
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| 134 |
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| 135 |
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//
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// copy-construct raw array [__o, *) from plain array [__b, __e)
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| 137 |
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// We can't just say 'memcpy()'
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| 138 |
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//
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| 139 |
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template<typename _Tp, bool>
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struct _Array_copy_ctor
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| 141 |
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{
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| 142 |
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// Please note that this isn't exception safe. But
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| 143 |
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// valarrays aren't required to be exception safe.
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| 144 |
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inline static void
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| 145 |
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_S_do_it(const _Tp* __b, const _Tp* __e, _Tp* __restrict__ __o)
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{
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while (__b != __e)
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new(__o++) _Tp(*__b++);
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}
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| 150 |
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};
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| 151 |
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| 152 |
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template<typename _Tp>
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| 153 |
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struct _Array_copy_ctor<_Tp, true>
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{
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| 155 |
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inline static void
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| 156 |
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_S_do_it(const _Tp* __b, const _Tp* __e, _Tp* __restrict__ __o)
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| 157 |
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{ __builtin_memcpy(__o, __b, (__e - __b) * sizeof(_Tp)); }
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| 158 |
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};
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| 159 |
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| 160 |
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template<typename _Tp>
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inline void
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__valarray_copy_construct(const _Tp* __b, const _Tp* __e,
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| 163 |
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_Tp* __restrict__ __o)
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{
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| 165 |
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_Array_copy_ctor<_Tp, __is_trivial(_Tp)>::_S_do_it(__b, __e, __o);
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| 166 |
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}
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| 167 |
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| 168 |
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// copy-construct raw array [__o, *) from strided array __a[<__n : __s>]
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| 169 |
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template<typename _Tp>
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| 170 |
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inline void
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| 171 |
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__valarray_copy_construct (const _Tp* __restrict__ __a, size_t __n,
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| 172 |
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size_t __s, _Tp* __restrict__ __o)
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| 173 |
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{
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| 174 |
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if (__is_trivial(_Tp))
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| 175 |
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while (__n--)
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| 176 |
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{
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| 177 |
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*__o++ = *__a;
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| 178 |
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__a += __s;
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| 179 |
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}
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| 180 |
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else
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| 181 |
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while (__n--)
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| 182 |
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{
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| 183 |
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new(__o++) _Tp(*__a);
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| 184 |
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__a += __s;
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| 185 |
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}
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| 186 |
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}
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| 187 |
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| 188 |
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// copy-construct raw array [__o, *) from indexed array __a[__i[<__n>]]
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| 189 |
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template<typename _Tp>
|
| 190 |
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inline void
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| 191 |
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__valarray_copy_construct (const _Tp* __restrict__ __a,
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| 192 |
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const size_t* __restrict__ __i,
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| 193 |
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_Tp* __restrict__ __o, size_t __n)
|
| 194 |
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{
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| 195 |
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if (__is_trivial(_Tp))
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| 196 |
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while (__n--)
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| 197 |
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*__o++ = __a[*__i++];
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| 198 |
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else
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| 199 |
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while (__n--)
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| 200 |
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new (__o++) _Tp(__a[*__i++]);
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| 201 |
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}
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| 202 |
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| 203 |
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// Do the necessary cleanup when we're done with arrays.
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| 204 |
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template<typename _Tp>
|
| 205 |
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inline void
|
| 206 |
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__valarray_destroy_elements(_Tp* __b, _Tp* __e)
|
| 207 |
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{
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| 208 |
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if (!__is_trivial(_Tp))
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| 209 |
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while (__b != __e)
|
| 210 |
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{
|
| 211 |
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__b->~_Tp();
|
| 212 |
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++__b;
|
| 213 |
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}
|
| 214 |
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}
|
| 215 |
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| 216 |
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// Fill a plain array __a[<__n>] with __t
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| 217 |
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template<typename _Tp>
|
| 218 |
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inline void
|
| 219 |
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__valarray_fill(_Tp* __restrict__ __a, size_t __n, const _Tp& __t)
|
| 220 |
|
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{
|
| 221 |
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while (__n--)
|
| 222 |
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*__a++ = __t;
|
| 223 |
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}
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| 224 |
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| 225 |
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// fill strided array __a[<__n-1 : __s>] with __t
|
| 226 |
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template<typename _Tp>
|
| 227 |
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inline void
|
| 228 |
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__valarray_fill(_Tp* __restrict__ __a, size_t __n,
|
| 229 |
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size_t __s, const _Tp& __t)
|
| 230 |
|
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{
|
| 231 |
|
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for (size_t __i = 0; __i < __n; ++__i, __a += __s)
|
| 232 |
|
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*__a = __t;
|
| 233 |
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}
|
| 234 |
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| 235 |
|
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// fill indirect array __a[__i[<__n>]] with __i
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| 236 |
|
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template<typename _Tp>
|
| 237 |
|
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inline void
|
| 238 |
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__valarray_fill(_Tp* __restrict__ __a, const size_t* __restrict__ __i,
|
| 239 |
|
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size_t __n, const _Tp& __t)
|
| 240 |
|
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{
|
| 241 |
|
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for (size_t __j = 0; __j < __n; ++__j, ++__i)
|
| 242 |
|
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__a[*__i] = __t;
|
| 243 |
|
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}
|
| 244 |
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|
| 245 |
|
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// copy plain array __a[<__n>] in __b[<__n>]
|
| 246 |
|
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// For non-fundamental types, it is wrong to say 'memcpy()'
|
| 247 |
|
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template<typename _Tp, bool>
|
| 248 |
|
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struct _Array_copier
|
| 249 |
|
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{
|
| 250 |
|
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inline static void
|
| 251 |
|
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_S_do_it(const _Tp* __restrict__ __a, size_t __n, _Tp* __restrict__ __b)
|
| 252 |
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{
|
| 253 |
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while(__n--)
|
| 254 |
|
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*__b++ = *__a++;
|
| 255 |
|
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}
|
| 256 |
|
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};
|
| 257 |
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|
| 258 |
|
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template<typename _Tp>
|
| 259 |
|
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struct _Array_copier<_Tp, true>
|
| 260 |
|
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{
|
| 261 |
|
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inline static void
|
| 262 |
|
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_S_do_it(const _Tp* __restrict__ __a, size_t __n, _Tp* __restrict__ __b)
|
| 263 |
|
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{ __builtin_memcpy(__b, __a, __n * sizeof (_Tp)); }
|
| 264 |
|
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};
|
| 265 |
|
|
|
| 266 |
|
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// Copy a plain array __a[<__n>] into a play array __b[<>]
|
| 267 |
|
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template<typename _Tp>
|
| 268 |
|
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inline void
|
| 269 |
|
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__valarray_copy(const _Tp* __restrict__ __a, size_t __n,
|
| 270 |
|
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_Tp* __restrict__ __b)
|
| 271 |
|
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{
|
| 272 |
|
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_Array_copier<_Tp, __is_trivial(_Tp)>::_S_do_it(__a, __n, __b);
|
| 273 |
|
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}
|
| 274 |
|
|
|
| 275 |
|
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// Copy strided array __a[<__n : __s>] in plain __b[<__n>]
|
| 276 |
|
|
template<typename _Tp>
|
| 277 |
|
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inline void
|
| 278 |
|
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__valarray_copy(const _Tp* __restrict__ __a, size_t __n, size_t __s,
|
| 279 |
|
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_Tp* __restrict__ __b)
|
| 280 |
|
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{
|
| 281 |
|
|
for (size_t __i = 0; __i < __n; ++__i, ++__b, __a += __s)
|
| 282 |
|
|
*__b = *__a;
|
| 283 |
|
|
}
|
| 284 |
|
|
|
| 285 |
|
|
// Copy a plain array __a[<__n>] into a strided array __b[<__n : __s>]
|
| 286 |
|
|
template<typename _Tp>
|
| 287 |
|
|
inline void
|
| 288 |
|
|
__valarray_copy(const _Tp* __restrict__ __a, _Tp* __restrict__ __b,
|
| 289 |
|
|
size_t __n, size_t __s)
|
| 290 |
|
|
{
|
| 291 |
|
|
for (size_t __i = 0; __i < __n; ++__i, ++__a, __b += __s)
|
| 292 |
|
|
*__b = *__a;
|
| 293 |
|
|
}
|
| 294 |
|
|
|
| 295 |
|
|
// Copy strided array __src[<__n : __s1>] into another
|
| 296 |
|
|
// strided array __dst[< : __s2>]. Their sizes must match.
|
| 297 |
|
|
template<typename _Tp>
|
| 298 |
|
|
inline void
|
| 299 |
|
|
__valarray_copy(const _Tp* __restrict__ __src, size_t __n, size_t __s1,
|
| 300 |
|
|
_Tp* __restrict__ __dst, size_t __s2)
|
| 301 |
|
|
{
|
| 302 |
|
|
for (size_t __i = 0; __i < __n; ++__i)
|
| 303 |
|
|
__dst[__i * __s2] = __src[__i * __s1];
|
| 304 |
|
|
}
|
| 305 |
|
|
|
| 306 |
|
|
// Copy an indexed array __a[__i[<__n>]] in plain array __b[<__n>]
|
| 307 |
|
|
template<typename _Tp>
|
| 308 |
|
|
inline void
|
| 309 |
|
|
__valarray_copy(const _Tp* __restrict__ __a,
|
| 310 |
|
|
const size_t* __restrict__ __i,
|
| 311 |
|
|
_Tp* __restrict__ __b, size_t __n)
|
| 312 |
|
|
{
|
| 313 |
|
|
for (size_t __j = 0; __j < __n; ++__j, ++__b, ++__i)
|
| 314 |
|
|
*__b = __a[*__i];
|
| 315 |
|
|
}
|
| 316 |
|
|
|
| 317 |
|
|
// Copy a plain array __a[<__n>] in an indexed array __b[__i[<__n>]]
|
| 318 |
|
|
template<typename _Tp>
|
| 319 |
|
|
inline void
|
| 320 |
|
|
__valarray_copy(const _Tp* __restrict__ __a, size_t __n,
|
| 321 |
|
|
_Tp* __restrict__ __b, const size_t* __restrict__ __i)
|
| 322 |
|
|
{
|
| 323 |
|
|
for (size_t __j = 0; __j < __n; ++__j, ++__a, ++__i)
|
| 324 |
|
|
__b[*__i] = *__a;
|
| 325 |
|
|
}
|
| 326 |
|
|
|
| 327 |
|
|
// Copy the __n first elements of an indexed array __src[<__i>] into
|
| 328 |
|
|
// another indexed array __dst[<__j>].
|
| 329 |
|
|
template<typename _Tp>
|
| 330 |
|
|
inline void
|
| 331 |
|
|
__valarray_copy(const _Tp* __restrict__ __src, size_t __n,
|
| 332 |
|
|
const size_t* __restrict__ __i,
|
| 333 |
|
|
_Tp* __restrict__ __dst, const size_t* __restrict__ __j)
|
| 334 |
|
|
{
|
| 335 |
|
|
for (size_t __k = 0; __k < __n; ++__k)
|
| 336 |
|
|
__dst[*__j++] = __src[*__i++];
|
| 337 |
|
|
}
|
| 338 |
|
|
|
| 339 |
|
|
//
|
| 340 |
|
|
// Compute the sum of elements in range [__f, __l)
|
| 341 |
|
|
// This is a naive algorithm. It suffers from cancelling.
|
| 342 |
|
|
// In the future try to specialize
|
| 343 |
|
|
// for _Tp = float, double, long double using a more accurate
|
| 344 |
|
|
// algorithm.
|
| 345 |
|
|
//
|
| 346 |
|
|
template<typename _Tp>
|
| 347 |
|
|
inline _Tp
|
| 348 |
|
|
__valarray_sum(const _Tp* __f, const _Tp* __l)
|
| 349 |
|
|
{
|
| 350 |
|
|
_Tp __r = _Tp();
|
| 351 |
|
|
while (__f != __l)
|
| 352 |
|
|
__r += *__f++;
|
| 353 |
|
|
return __r;
|
| 354 |
|
|
}
|
| 355 |
|
|
|
| 356 |
|
|
// Compute the product of all elements in range [__f, __l)
|
| 357 |
|
|
template<typename _Tp>
|
| 358 |
|
|
inline _Tp
|
| 359 |
|
|
__valarray_product(const _Tp* __f, const _Tp* __l)
|
| 360 |
|
|
{
|
| 361 |
|
|
_Tp __r = _Tp(1);
|
| 362 |
|
|
while (__f != __l)
|
| 363 |
|
|
__r = __r * *__f++;
|
| 364 |
|
|
return __r;
|
| 365 |
|
|
}
|
| 366 |
|
|
|
| 367 |
|
|
// Compute the min/max of an array-expression
|
| 368 |
|
|
template<typename _Ta>
|
| 369 |
|
|
inline typename _Ta::value_type
|
| 370 |
|
|
__valarray_min(const _Ta& __a)
|
| 371 |
|
|
{
|
| 372 |
|
|
size_t __s = __a.size();
|
| 373 |
|
|
typedef typename _Ta::value_type _Value_type;
|
| 374 |
|
|
_Value_type __r = __s == 0 ? _Value_type() : __a[0];
|
| 375 |
|
|
for (size_t __i = 1; __i < __s; ++__i)
|
| 376 |
|
|
{
|
| 377 |
|
|
_Value_type __t = __a[__i];
|
| 378 |
|
|
if (__t < __r)
|
| 379 |
|
|
__r = __t;
|
| 380 |
|
|
}
|
| 381 |
|
|
return __r;
|
| 382 |
|
|
}
|
| 383 |
|
|
|
| 384 |
|
|
template<typename _Ta>
|
| 385 |
|
|
inline typename _Ta::value_type
|
| 386 |
|
|
__valarray_max(const _Ta& __a)
|
| 387 |
|
|
{
|
| 388 |
|
|
size_t __s = __a.size();
|
| 389 |
|
|
typedef typename _Ta::value_type _Value_type;
|
| 390 |
|
|
_Value_type __r = __s == 0 ? _Value_type() : __a[0];
|
| 391 |
|
|
for (size_t __i = 1; __i < __s; ++__i)
|
| 392 |
|
|
{
|
| 393 |
|
|
_Value_type __t = __a[__i];
|
| 394 |
|
|
if (__t > __r)
|
| 395 |
|
|
__r = __t;
|
| 396 |
|
|
}
|
| 397 |
|
|
return __r;
|
| 398 |
|
|
}
|
| 399 |
|
|
|
| 400 |
|
|
//
|
| 401 |
|
|
// Helper class _Array, first layer of valarray abstraction.
|
| 402 |
|
|
// All operations on valarray should be forwarded to this class
|
| 403 |
|
|
// whenever possible. -- gdr
|
| 404 |
|
|
//
|
| 405 |
|
|
|
| 406 |
|
|
template<typename _Tp>
|
| 407 |
|
|
struct _Array
|
| 408 |
|
|
{
|
| 409 |
|
|
explicit _Array(size_t);
|
| 410 |
|
|
explicit _Array(_Tp* const __restrict__);
|
| 411 |
|
|
explicit _Array(const valarray<_Tp>&);
|
| 412 |
|
|
_Array(const _Tp* __restrict__, size_t);
|
| 413 |
|
|
|
| 414 |
|
|
_Tp* begin() const;
|
| 415 |
|
|
|
| 416 |
|
|
_Tp* const __restrict__ _M_data;
|
| 417 |
|
|
};
|
| 418 |
|
|
|
| 419 |
|
|
|
| 420 |
|
|
// Copy-construct plain array __b[<__n>] from indexed array __a[__i[<__n>]]
|
| 421 |
|
|
template<typename _Tp>
|
| 422 |
|
|
inline void
|
| 423 |
|
|
__valarray_copy_construct(_Array<_Tp> __a, _Array<size_t> __i,
|
| 424 |
|
|
_Array<_Tp> __b, size_t __n)
|
| 425 |
|
|
{ std::__valarray_copy_construct(__a._M_data, __i._M_data,
|
| 426 |
|
|
__b._M_data, __n); }
|
| 427 |
|
|
|
| 428 |
|
|
// Copy-construct plain array __b[<__n>] from strided array __a[<__n : __s>]
|
| 429 |
|
|
template<typename _Tp>
|
| 430 |
|
|
inline void
|
| 431 |
|
|
__valarray_copy_construct(_Array<_Tp> __a, size_t __n, size_t __s,
|
| 432 |
|
|
_Array<_Tp> __b)
|
| 433 |
|
|
{ std::__valarray_copy_construct(__a._M_data, __n, __s, __b._M_data); }
|
| 434 |
|
|
|
| 435 |
|
|
template<typename _Tp>
|
| 436 |
|
|
inline void
|
| 437 |
|
|
__valarray_fill (_Array<_Tp> __a, size_t __n, const _Tp& __t)
|
| 438 |
|
|
{ std::__valarray_fill(__a._M_data, __n, __t); }
|
| 439 |
|
|
|
| 440 |
|
|
template<typename _Tp>
|
| 441 |
|
|
inline void
|
| 442 |
|
|
__valarray_fill(_Array<_Tp> __a, size_t __n, size_t __s, const _Tp& __t)
|
| 443 |
|
|
{ std::__valarray_fill(__a._M_data, __n, __s, __t); }
|
| 444 |
|
|
|
| 445 |
|
|
template<typename _Tp>
|
| 446 |
|
|
inline void
|
| 447 |
|
|
__valarray_fill(_Array<_Tp> __a, _Array<size_t> __i,
|
| 448 |
|
|
size_t __n, const _Tp& __t)
|
| 449 |
|
|
{ std::__valarray_fill(__a._M_data, __i._M_data, __n, __t); }
|
| 450 |
|
|
|
| 451 |
|
|
// Copy a plain array __a[<__n>] into a play array __b[<>]
|
| 452 |
|
|
template<typename _Tp>
|
| 453 |
|
|
inline void
|
| 454 |
|
|
__valarray_copy(_Array<_Tp> __a, size_t __n, _Array<_Tp> __b)
|
| 455 |
|
|
{ std::__valarray_copy(__a._M_data, __n, __b._M_data); }
|
| 456 |
|
|
|
| 457 |
|
|
// Copy strided array __a[<__n : __s>] in plain __b[<__n>]
|
| 458 |
|
|
template<typename _Tp>
|
| 459 |
|
|
inline void
|
| 460 |
|
|
__valarray_copy(_Array<_Tp> __a, size_t __n, size_t __s, _Array<_Tp> __b)
|
| 461 |
|
|
{ std::__valarray_copy(__a._M_data, __n, __s, __b._M_data); }
|
| 462 |
|
|
|
| 463 |
|
|
// Copy a plain array __a[<__n>] into a strided array __b[<__n : __s>]
|
| 464 |
|
|
template<typename _Tp>
|
| 465 |
|
|
inline void
|
| 466 |
|
|
__valarray_copy(_Array<_Tp> __a, _Array<_Tp> __b, size_t __n, size_t __s)
|
| 467 |
|
|
{ __valarray_copy(__a._M_data, __b._M_data, __n, __s); }
|
| 468 |
|
|
|
| 469 |
|
|
// Copy strided array __src[<__n : __s1>] into another
|
| 470 |
|
|
// strided array __dst[< : __s2>]. Their sizes must match.
|
| 471 |
|
|
template<typename _Tp>
|
| 472 |
|
|
inline void
|
| 473 |
|
|
__valarray_copy(_Array<_Tp> __a, size_t __n, size_t __s1,
|
| 474 |
|
|
_Array<_Tp> __b, size_t __s2)
|
| 475 |
|
|
{ std::__valarray_copy(__a._M_data, __n, __s1, __b._M_data, __s2); }
|
| 476 |
|
|
|
| 477 |
|
|
// Copy an indexed array __a[__i[<__n>]] in plain array __b[<__n>]
|
| 478 |
|
|
template<typename _Tp>
|
| 479 |
|
|
inline void
|
| 480 |
|
|
__valarray_copy(_Array<_Tp> __a, _Array<size_t> __i,
|
| 481 |
|
|
_Array<_Tp> __b, size_t __n)
|
| 482 |
|
|
{ std::__valarray_copy(__a._M_data, __i._M_data, __b._M_data, __n); }
|
| 483 |
|
|
|
| 484 |
|
|
// Copy a plain array __a[<__n>] in an indexed array __b[__i[<__n>]]
|
| 485 |
|
|
template<typename _Tp>
|
| 486 |
|
|
inline void
|
| 487 |
|
|
__valarray_copy(_Array<_Tp> __a, size_t __n, _Array<_Tp> __b,
|
| 488 |
|
|
_Array<size_t> __i)
|
| 489 |
|
|
{ std::__valarray_copy(__a._M_data, __n, __b._M_data, __i._M_data); }
|
| 490 |
|
|
|
| 491 |
|
|
// Copy the __n first elements of an indexed array __src[<__i>] into
|
| 492 |
|
|
// another indexed array __dst[<__j>].
|
| 493 |
|
|
template<typename _Tp>
|
| 494 |
|
|
inline void
|
| 495 |
|
|
__valarray_copy(_Array<_Tp> __src, size_t __n, _Array<size_t> __i,
|
| 496 |
|
|
_Array<_Tp> __dst, _Array<size_t> __j)
|
| 497 |
|
|
{
|
| 498 |
|
|
std::__valarray_copy(__src._M_data, __n, __i._M_data,
|
| 499 |
|
|
__dst._M_data, __j._M_data);
|
| 500 |
|
|
}
|
| 501 |
|
|
|
| 502 |
|
|
template<typename _Tp>
|
| 503 |
|
|
inline
|
| 504 |
|
|
_Array<_Tp>::_Array(size_t __n)
|
| 505 |
|
|
: _M_data(__valarray_get_storage<_Tp>(__n))
|
| 506 |
|
|
{ std::__valarray_default_construct(_M_data, _M_data + __n); }
|
| 507 |
|
|
|
| 508 |
|
|
template<typename _Tp>
|
| 509 |
|
|
inline
|
| 510 |
|
|
_Array<_Tp>::_Array(_Tp* const __restrict__ __p)
|
| 511 |
|
|
: _M_data (__p) {}
|
| 512 |
|
|
|
| 513 |
|
|
template<typename _Tp>
|
| 514 |
|
|
inline
|
| 515 |
|
|
_Array<_Tp>::_Array(const valarray<_Tp>& __v)
|
| 516 |
|
|
: _M_data (__v._M_data) {}
|
| 517 |
|
|
|
| 518 |
|
|
template<typename _Tp>
|
| 519 |
|
|
inline
|
| 520 |
|
|
_Array<_Tp>::_Array(const _Tp* __restrict__ __b, size_t __s)
|
| 521 |
|
|
: _M_data(__valarray_get_storage<_Tp>(__s))
|
| 522 |
|
|
{ std::__valarray_copy_construct(__b, __s, _M_data); }
|
| 523 |
|
|
|
| 524 |
|
|
template<typename _Tp>
|
| 525 |
|
|
inline _Tp*
|
| 526 |
|
|
_Array<_Tp>::begin () const
|
| 527 |
|
|
{ return _M_data; }
|
| 528 |
|
|
|
| 529 |
|
|
#define _DEFINE_ARRAY_FUNCTION(_Op, _Name) \
|
| 530 |
|
|
template<typename _Tp> \
|
| 531 |
|
|
inline void \
|
| 532 |
|
|
_Array_augmented_##_Name(_Array<_Tp> __a, size_t __n, const _Tp& __t) \
|
| 533 |
|
|
{ \
|
| 534 |
|
|
for (_Tp* __p = __a._M_data; __p < __a._M_data + __n; ++__p) \
|
| 535 |
|
|
*__p _Op##= __t; \
|
| 536 |
|
|
} \
|
| 537 |
|
|
\
|
| 538 |
|
|
template<typename _Tp> \
|
| 539 |
|
|
inline void \
|
| 540 |
|
|
_Array_augmented_##_Name(_Array<_Tp> __a, size_t __n, _Array<_Tp> __b) \
|
| 541 |
|
|
{ \
|
| 542 |
|
|
_Tp* __p = __a._M_data; \
|
| 543 |
|
|
for (_Tp* __q = __b._M_data; __q < __b._M_data + __n; ++__p, ++__q) \
|
| 544 |
|
|
*__p _Op##= *__q; \
|
| 545 |
|
|
} \
|
| 546 |
|
|
\
|
| 547 |
|
|
template<typename _Tp, class _Dom> \
|
| 548 |
|
|
void \
|
| 549 |
|
|
_Array_augmented_##_Name(_Array<_Tp> __a, \
|
| 550 |
|
|
const _Expr<_Dom, _Tp>& __e, size_t __n) \
|
| 551 |
|
|
{ \
|
| 552 |
|
|
_Tp* __p(__a._M_data); \
|
| 553 |
|
|
for (size_t __i = 0; __i < __n; ++__i, ++__p) \
|
| 554 |
|
|
*__p _Op##= __e[__i]; \
|
| 555 |
|
|
} \
|
| 556 |
|
|
\
|
| 557 |
|
|
template<typename _Tp> \
|
| 558 |
|
|
inline void \
|
| 559 |
|
|
_Array_augmented_##_Name(_Array<_Tp> __a, size_t __n, size_t __s, \
|
| 560 |
|
|
_Array<_Tp> __b) \
|
| 561 |
|
|
{ \
|
| 562 |
|
|
_Tp* __q(__b._M_data); \
|
| 563 |
|
|
for (_Tp* __p = __a._M_data; __p < __a._M_data + __s * __n; \
|
| 564 |
|
|
__p += __s, ++__q) \
|
| 565 |
|
|
*__p _Op##= *__q; \
|
| 566 |
|
|
} \
|
| 567 |
|
|
\
|
| 568 |
|
|
template<typename _Tp> \
|
| 569 |
|
|
inline void \
|
| 570 |
|
|
_Array_augmented_##_Name(_Array<_Tp> __a, _Array<_Tp> __b, \
|
| 571 |
|
|
size_t __n, size_t __s) \
|
| 572 |
|
|
{ \
|
| 573 |
|
|
_Tp* __q(__b._M_data); \
|
| 574 |
|
|
for (_Tp* __p = __a._M_data; __p < __a._M_data + __n; \
|
| 575 |
|
|
++__p, __q += __s) \
|
| 576 |
|
|
*__p _Op##= *__q; \
|
| 577 |
|
|
} \
|
| 578 |
|
|
\
|
| 579 |
|
|
template<typename _Tp, class _Dom> \
|
| 580 |
|
|
void \
|
| 581 |
|
|
_Array_augmented_##_Name(_Array<_Tp> __a, size_t __s, \
|
| 582 |
|
|
const _Expr<_Dom, _Tp>& __e, size_t __n) \
|
| 583 |
|
|
{ \
|
| 584 |
|
|
_Tp* __p(__a._M_data); \
|
| 585 |
|
|
for (size_t __i = 0; __i < __n; ++__i, __p += __s) \
|
| 586 |
|
|
*__p _Op##= __e[__i]; \
|
| 587 |
|
|
} \
|
| 588 |
|
|
\
|
| 589 |
|
|
template<typename _Tp> \
|
| 590 |
|
|
inline void \
|
| 591 |
|
|
_Array_augmented_##_Name(_Array<_Tp> __a, _Array<size_t> __i, \
|
| 592 |
|
|
_Array<_Tp> __b, size_t __n) \
|
| 593 |
|
|
{ \
|
| 594 |
|
|
_Tp* __q(__b._M_data); \
|
| 595 |
|
|
for (size_t* __j = __i._M_data; __j < __i._M_data + __n; \
|
| 596 |
|
|
++__j, ++__q) \
|
| 597 |
|
|
__a._M_data[*__j] _Op##= *__q; \
|
| 598 |
|
|
} \
|
| 599 |
|
|
\
|
| 600 |
|
|
template<typename _Tp> \
|
| 601 |
|
|
inline void \
|
| 602 |
|
|
_Array_augmented_##_Name(_Array<_Tp> __a, size_t __n, \
|
| 603 |
|
|
_Array<_Tp> __b, _Array<size_t> __i) \
|
| 604 |
|
|
{ \
|
| 605 |
|
|
_Tp* __p(__a._M_data); \
|
| 606 |
|
|
for (size_t* __j = __i._M_data; __j<__i._M_data + __n; \
|
| 607 |
|
|
++__j, ++__p) \
|
| 608 |
|
|
*__p _Op##= __b._M_data[*__j]; \
|
| 609 |
|
|
} \
|
| 610 |
|
|
\
|
| 611 |
|
|
template<typename _Tp, class _Dom> \
|
| 612 |
|
|
void \
|
| 613 |
|
|
_Array_augmented_##_Name(_Array<_Tp> __a, _Array<size_t> __i, \
|
| 614 |
|
|
const _Expr<_Dom, _Tp>& __e, size_t __n) \
|
| 615 |
|
|
{ \
|
| 616 |
|
|
size_t* __j(__i._M_data); \
|
| 617 |
|
|
for (size_t __k = 0; __k<__n; ++__k, ++__j) \
|
| 618 |
|
|
__a._M_data[*__j] _Op##= __e[__k]; \
|
| 619 |
|
|
} \
|
| 620 |
|
|
\
|
| 621 |
|
|
template<typename _Tp> \
|
| 622 |
|
|
void \
|
| 623 |
|
|
_Array_augmented_##_Name(_Array<_Tp> __a, _Array<bool> __m, \
|
| 624 |
|
|
_Array<_Tp> __b, size_t __n) \
|
| 625 |
|
|
{ \
|
| 626 |
|
|
bool* __ok(__m._M_data); \
|
| 627 |
|
|
_Tp* __p(__a._M_data); \
|
| 628 |
|
|
for (_Tp* __q = __b._M_data; __q < __b._M_data + __n; \
|
| 629 |
|
|
++__q, ++__ok, ++__p) \
|
| 630 |
|
|
{ \
|
| 631 |
|
|
while (! *__ok) \
|
| 632 |
|
|
{ \
|
| 633 |
|
|
++__ok; \
|
| 634 |
|
|
++__p; \
|
| 635 |
|
|
} \
|
| 636 |
|
|
*__p _Op##= *__q; \
|
| 637 |
|
|
} \
|
| 638 |
|
|
} \
|
| 639 |
|
|
\
|
| 640 |
|
|
template<typename _Tp> \
|
| 641 |
|
|
void \
|
| 642 |
|
|
_Array_augmented_##_Name(_Array<_Tp> __a, size_t __n, \
|
| 643 |
|
|
_Array<_Tp> __b, _Array<bool> __m) \
|
| 644 |
|
|
{ \
|
| 645 |
|
|
bool* __ok(__m._M_data); \
|
| 646 |
|
|
_Tp* __q(__b._M_data); \
|
| 647 |
|
|
for (_Tp* __p = __a._M_data; __p < __a._M_data + __n; \
|
| 648 |
|
|
++__p, ++__ok, ++__q) \
|
| 649 |
|
|
{ \
|
| 650 |
|
|
while (! *__ok) \
|
| 651 |
|
|
{ \
|
| 652 |
|
|
++__ok; \
|
| 653 |
|
|
++__q; \
|
| 654 |
|
|
} \
|
| 655 |
|
|
*__p _Op##= *__q; \
|
| 656 |
|
|
} \
|
| 657 |
|
|
} \
|
| 658 |
|
|
\
|
| 659 |
|
|
template<typename _Tp, class _Dom> \
|
| 660 |
|
|
void \
|
| 661 |
|
|
_Array_augmented_##_Name(_Array<_Tp> __a, _Array<bool> __m, \
|
| 662 |
|
|
const _Expr<_Dom, _Tp>& __e, size_t __n) \
|
| 663 |
|
|
{ \
|
| 664 |
|
|
bool* __ok(__m._M_data); \
|
| 665 |
|
|
_Tp* __p(__a._M_data); \
|
| 666 |
|
|
for (size_t __i = 0; __i < __n; ++__i, ++__ok, ++__p) \
|
| 667 |
|
|
{ \
|
| 668 |
|
|
while (! *__ok) \
|
| 669 |
|
|
{ \
|
| 670 |
|
|
++__ok; \
|
| 671 |
|
|
++__p; \
|
| 672 |
|
|
} \
|
| 673 |
|
|
*__p _Op##= __e[__i]; \
|
| 674 |
|
|
} \
|
| 675 |
|
|
}
|
| 676 |
|
|
|
| 677 |
|
|
_DEFINE_ARRAY_FUNCTION(+, __plus)
|
| 678 |
|
|
_DEFINE_ARRAY_FUNCTION(-, __minus)
|
| 679 |
|
|
_DEFINE_ARRAY_FUNCTION(*, __multiplies)
|
| 680 |
|
|
_DEFINE_ARRAY_FUNCTION(/, __divides)
|
| 681 |
|
|
_DEFINE_ARRAY_FUNCTION(%, __modulus)
|
| 682 |
|
|
_DEFINE_ARRAY_FUNCTION(^, __bitwise_xor)
|
| 683 |
|
|
_DEFINE_ARRAY_FUNCTION(|, __bitwise_or)
|
| 684 |
|
|
_DEFINE_ARRAY_FUNCTION(&, __bitwise_and)
|
| 685 |
|
|
_DEFINE_ARRAY_FUNCTION(<<, __shift_left)
|
| 686 |
|
|
_DEFINE_ARRAY_FUNCTION(>>, __shift_right)
|
| 687 |
|
|
|
| 688 |
|
|
#undef _DEFINE_ARRAY_FUNCTION
|
| 689 |
|
|
|
| 690 |
|
|
_GLIBCXX_END_NAMESPACE_VERSION
|
| 691 |
|
|
} // namespace
|
| 692 |
|
|
|
| 693 |
|
|
# include <bits/valarray_array.tcc>
|
| 694 |
|
|
|
| 695 |
|
|
#endif /* _ARRAY_H */
|
