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Whole document tree                   gslice_array.h Go to the documentation of this file. // The template and inlines for the -*- C++ -*- gslice_array class. // Copyright (C) 1997-2001 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_GSLICE_ARRAY #define _CPP_BITS_GSLICE_ARRAY 1 #pragma GCC system_header namespace std { template<typename _Tp> class gslice_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&); 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: _Array<_Tp> _M_array; const valarray<size_t>& _M_index; friend class valarray<_Tp>; gslice_array (_Array<_Tp>, const valarray<size_t>&); // this constructor needs to be implemented. gslice_array (const gslice_array&); // not implemented gslice_array(); gslice_array& operator= (const gslice_array&); }; template<typename _Tp> inline gslice_array<_Tp>::gslice_array (_Array<_Tp> __a, const valarray<size_t>& __i) : _M_array (__a), _M_index (__i) {} template<typename _Tp> inline gslice_array<_Tp>::gslice_array (const gslice_array<_Tp>& __a) : _M_array (__a._M_array), _M_index (__a._M_index) {} template<typename _Tp> inline void gslice_array<_Tp>::operator= (const _Tp& __t) { __valarray_fill (_M_array, _Array<size_t>(_M_index), _M_index.size(), __t); } template<typename _Tp> inline void gslice_array<_Tp>::operator= (const valarray<_Tp>& __v) const { __valarray_copy (_Array<_Tp> (__v), __v.size (), _M_array, _Array<size_t>(_M_index)); } template<typename _Tp> template<class E> inline void gslice_array<_Tp>::operator= (const _Expr<E, _Tp>& __e) const { __valarray_copy (__e, _M_index.size(), _M_array, _Array<size_t>(_M_index)); } #undef _DEFINE_VALARRAY_OPERATOR #define _DEFINE_VALARRAY_OPERATOR(op, name) \ template<typename _Tp> \ inline void \ gslice_array<_Tp>::operator op##= (const valarray<_Tp>& __v) const \ { \ _Array_augmented_##name (_M_array, _Array<size_t>(_M_index), \ _Array<_Tp> (__v), __v.size ()); \ } \ \ template<typename _Tp> template<class E> \ inline void \ gslice_array<_Tp>::operator op##= (const _Expr<E, _Tp>& __e) const \ { \ _Array_augmented_##name (_M_array, _Array<size_t>(_M_index), __e, \ _M_index.size()); \ } _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_GSLICE_ARRAY */ // Local Variables: // mode:c++ // End: