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Whole document tree                   slice_array.h Go to the documentation of this file. // The template and inlines for the -*- C++ -*- slice_array class. // Copyright (C) 1997-1999, 2000, 2001 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, 59 Temple Place - Suite 330, Boston, MA 02111-1307, // 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. // Written by Gabriel Dos Reis <Gabriel.Dos-Reis@DPTMaths.ENS-Cachan.Fr> #ifndef _CPP_BITS_SLICE_ARRAY_H #define _CPP_BITS_SLICE_ARRAY_H 1 #pragma GCC system_header namespace std { template<typename _Tp> class slice_array { public: typedef _Tp value_type; void operator= (const valarray<_Tp>&) const; void operator*= (const valarray<_Tp>&) const; void operator/= (const valarray<_Tp>&) const; void operator%= (const valarray<_Tp>&) const; void operator+= (const valarray<_Tp>&) const; void operator-= (const valarray<_Tp>&) const; void operator^= (const valarray<_Tp>&) const; void operator&= (const valarray<_Tp>&) const; void operator|= (const valarray<_Tp>&) const; void operator<<= (const valarray<_Tp>&) const; void operator>>= (const valarray<_Tp>&) const; void operator= (const _Tp &); // ~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; // this constructor is implemented since we need to return a value. slice_array (const slice_array&); // not implemented slice_array (); slice_array& operator= (const 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 void slice_array<_Tp>::operator= (const _Tp& __t) { __valarray_fill (_M_array, _M_sz, _M_stride, __t); } template<typename _Tp> inline void slice_array<_Tp>::operator= (const valarray<_Tp>& __v) const { __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 { __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(^, xor) _DEFINE_VALARRAY_OPERATOR(&, and) _DEFINE_VALARRAY_OPERATOR(|, or) _DEFINE_VALARRAY_OPERATOR(<<, shift_left) _DEFINE_VALARRAY_OPERATOR(>>, shift_right) #undef _DEFINE_VALARRAY_OPERATOR } // std:: #endif /* _CPP_BITS_SLICE_ARRAY_H */ // Local Variables: // mode:c++ // End: