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Diffstat (limited to 'contrib/libstdc++/include/bits/slice_array.h')
| -rw-r--r-- | contrib/libstdc++/include/bits/slice_array.h | 269 |
1 files changed, 0 insertions, 269 deletions
diff --git a/contrib/libstdc++/include/bits/slice_array.h b/contrib/libstdc++/include/bits/slice_array.h deleted file mode 100644 index 8eaf90dddd18..000000000000 --- a/contrib/libstdc++/include/bits/slice_array.h +++ /dev/null @@ -1,269 +0,0 @@ -// The template and inlines for the -*- C++ -*- slice_array class. - -// Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2004, 2005 -// Free Software Foundation, Inc. -// -// This file is part of the GNU ISO C++ Library. This library is free -// software; you can redistribute it and/or modify it under the -// terms of the GNU General Public License as published by the -// Free Software Foundation; either version 2, or (at your option) -// any later version. - -// This library is distributed in the hope that it will be useful, -// but WITHOUT ANY WARRANTY; without even the implied warranty of -// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -// GNU General Public License for more details. - -// You should have received a copy of the GNU General Public License along -// with this library; see the file COPYING. If not, write to the Free -// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, -// USA. - -// As a special exception, you may use this file as part of a free software -// library without restriction. Specifically, if other files instantiate -// templates or use macros or inline functions from this file, or you compile -// this file and link it with other files to produce an executable, this -// file does not by itself cause the resulting executable to be covered by -// the GNU General Public License. This exception does not however -// invalidate any other reasons why the executable file might be covered by -// the GNU General Public License. - -/** @file slice_array.h - * This is an internal header file, included by other library headers. - * You should not attempt to use it directly. - */ - -// Written by Gabriel Dos Reis <Gabriel.Dos-Reis@DPTMaths.ENS-Cachan.Fr> - -#ifndef _SLICE_ARRAY_H -#define _SLICE_ARRAY_H 1 - -#pragma GCC system_header - -_GLIBCXX_BEGIN_NAMESPACE(std) - - /** - * @brief Class defining one-dimensional subset of an array. - * - * The slice class represents a one-dimensional subset of an array, - * specified by three parameters: start offset, size, and stride. The - * start offset is the index of the first element of the array that is part - * of the subset. The size is the total number of elements in the subset. - * Stride is the distance between each successive array element to include - * in the subset. - * - * For example, with an array of size 10, and a slice with offset 1, size 3 - * and stride 2, the subset consists of array elements 1, 3, and 5. - */ - class slice - { - public: - /// Construct an empty slice. - slice(); - - /** - * @brief Construct a slice. - * - * @param o Offset in array of first element. - * @param d Number of elements in slice. - * @param s Stride between array elements. - */ - slice(size_t, size_t, size_t); - - /// Return array offset of first slice element. - size_t start() const; - /// Return size of slice. - size_t size() const; - /// Return array stride of slice. - size_t stride() const; - - private: - size_t _M_off; // offset - size_t _M_sz; // size - size_t _M_st; // stride unit - }; - - // The default constructor constructor is not required to initialize - // data members with any meaningful values, so we choose to do nothing. - inline - slice::slice() {} - - inline - slice::slice(size_t __o, size_t __d, size_t __s) - : _M_off(__o), _M_sz(__d), _M_st(__s) {} - - inline size_t - slice::start() const - { return _M_off; } - - inline size_t - slice::size() const - { return _M_sz; } - - inline size_t - slice::stride() const - { return _M_st; } - - /** - * @brief Reference to one-dimensional subset of an array. - * - * A slice_array is a reference to the actual elements of an array - * specified by a slice. The way to get a slice_array is to call - * operator[](slice) on a valarray. The returned slice_array then permits - * carrying operations out on the referenced subset of elements in the - * original valarray. For example, operator+=(valarray) will add values - * to the subset of elements in the underlying valarray this slice_array - * refers to. - * - * @param Tp Element type. - */ - template<typename _Tp> - class slice_array - { - public: - typedef _Tp value_type; - - // _GLIBCXX_RESOLVE_LIB_DEFECTS - // 253. valarray helper functions are almost entirely useless - - /// Copy constructor. Both slices refer to the same underlying array. - slice_array(const slice_array&); - - /// Assignment operator. Assigns slice elements to corresponding - /// elements of @a a. - slice_array& operator=(const slice_array&); - - /// Assign slice elements to corresponding elements of @a v. - void operator=(const valarray<_Tp>&) const; - /// Multiply slice elements by corresponding elements of @a v. - void operator*=(const valarray<_Tp>&) const; - /// Divide slice elements by corresponding elements of @a v. - void operator/=(const valarray<_Tp>&) const; - /// Modulo slice elements by corresponding elements of @a v. - void operator%=(const valarray<_Tp>&) const; - /// Add corresponding elements of @a v to slice elements. - void operator+=(const valarray<_Tp>&) const; - /// Subtract corresponding elements of @a v from slice elements. - void operator-=(const valarray<_Tp>&) const; - /// Logical xor slice elements with corresponding elements of @a v. - void operator^=(const valarray<_Tp>&) const; - /// Logical and slice elements with corresponding elements of @a v. - void operator&=(const valarray<_Tp>&) const; - /// Logical or slice elements with corresponding elements of @a v. - void operator|=(const valarray<_Tp>&) const; - /// Left shift slice elements by corresponding elements of @a v. - void operator<<=(const valarray<_Tp>&) const; - /// Right shift slice elements by corresponding elements of @a v. - void operator>>=(const valarray<_Tp>&) const; - /// Assign all slice elements to @a t. - void operator=(const _Tp &) const; - // ~slice_array (); - - template<class _Dom> - void operator=(const _Expr<_Dom, _Tp>&) const; - template<class _Dom> - void operator*=(const _Expr<_Dom, _Tp>&) const; - template<class _Dom> - void operator/=(const _Expr<_Dom, _Tp>&) const; - template<class _Dom> - void operator%=(const _Expr<_Dom, _Tp>&) const; - template<class _Dom> - void operator+=(const _Expr<_Dom, _Tp>&) const; - template<class _Dom> - void operator-=(const _Expr<_Dom, _Tp>&) const; - template<class _Dom> - void operator^=(const _Expr<_Dom, _Tp>&) const; - template<class _Dom> - void operator&=(const _Expr<_Dom, _Tp>&) const; - template<class _Dom> - void operator|=(const _Expr<_Dom, _Tp>&) const; - template<class _Dom> - void operator<<=(const _Expr<_Dom, _Tp>&) const; - template<class _Dom> - void operator>>=(const _Expr<_Dom, _Tp>&) const; - - private: - friend class valarray<_Tp>; - slice_array(_Array<_Tp>, const slice&); - - const size_t _M_sz; - const size_t _M_stride; - const _Array<_Tp> _M_array; - - // not implemented - slice_array(); - }; - - template<typename _Tp> - inline - slice_array<_Tp>::slice_array(_Array<_Tp> __a, const slice& __s) - : _M_sz(__s.size()), _M_stride(__s.stride()), - _M_array(__a.begin() + __s.start()) {} - - template<typename _Tp> - inline - slice_array<_Tp>::slice_array(const slice_array<_Tp>& a) - : _M_sz(a._M_sz), _M_stride(a._M_stride), _M_array(a._M_array) {} - - // template<typename _Tp> - // inline slice_array<_Tp>::~slice_array () {} - - template<typename _Tp> - inline slice_array<_Tp>& - slice_array<_Tp>::operator=(const slice_array<_Tp>& __a) - { - std::__valarray_copy(__a._M_array, __a._M_sz, __a._M_stride, - _M_array, _M_stride); - return *this; - } - - template<typename _Tp> - inline void - slice_array<_Tp>::operator=(const _Tp& __t) const - { std::__valarray_fill(_M_array, _M_sz, _M_stride, __t); } - - template<typename _Tp> - inline void - slice_array<_Tp>::operator=(const valarray<_Tp>& __v) const - { std::__valarray_copy(_Array<_Tp>(__v), _M_array, _M_sz, _M_stride); } - - template<typename _Tp> - template<class _Dom> - inline void - slice_array<_Tp>::operator=(const _Expr<_Dom,_Tp>& __e) const - { std::__valarray_copy(__e, _M_sz, _M_array, _M_stride); } - -#undef _DEFINE_VALARRAY_OPERATOR -#define _DEFINE_VALARRAY_OPERATOR(_Op,_Name) \ - template<typename _Tp> \ - inline void \ - slice_array<_Tp>::operator _Op##=(const valarray<_Tp>& __v) const \ - { \ - _Array_augmented_##_Name(_M_array, _M_sz, _M_stride, _Array<_Tp>(__v));\ - } \ - \ - template<typename _Tp> \ - template<class _Dom> \ - inline void \ - slice_array<_Tp>::operator _Op##=(const _Expr<_Dom,_Tp>& __e) const\ - { \ - _Array_augmented_##_Name(_M_array, _M_stride, __e, _M_sz); \ - } - - -_DEFINE_VALARRAY_OPERATOR(*, __multiplies) -_DEFINE_VALARRAY_OPERATOR(/, __divides) -_DEFINE_VALARRAY_OPERATOR(%, __modulus) -_DEFINE_VALARRAY_OPERATOR(+, __plus) -_DEFINE_VALARRAY_OPERATOR(-, __minus) -_DEFINE_VALARRAY_OPERATOR(^, __bitwise_xor) -_DEFINE_VALARRAY_OPERATOR(&, __bitwise_and) -_DEFINE_VALARRAY_OPERATOR(|, __bitwise_or) -_DEFINE_VALARRAY_OPERATOR(<<, __shift_left) -_DEFINE_VALARRAY_OPERATOR(>>, __shift_right) - -#undef _DEFINE_VALARRAY_OPERATOR - -_GLIBCXX_END_NAMESPACE - -#endif /* _SLICE_ARRAY_H */ |