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- // The template and inlines for the -*- C++ -*- slice_array class.
-
- // Copyright (C) 1997-1999 Cygnus Solutions
- //
- // 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 __SLICE_ARRAY__
- #define __SLICE_ARRAY__
-
- extern "C++" {
-
- template<typename _T>
- class slice_array
- {
- public:
- typedef _T value_type;
-
- void operator= (const valarray<_T>&) const;
- void operator*= (const valarray<_T>&) const;
- void operator/= (const valarray<_T>&) const;
- void operator%= (const valarray<_T>&) const;
- void operator+= (const valarray<_T>&) const;
- void operator-= (const valarray<_T>&) const;
- void operator^= (const valarray<_T>&) const;
- void operator&= (const valarray<_T>&) const;
- void operator|= (const valarray<_T>&) const;
- void operator<<= (const valarray<_T>&) const;
- void operator>>= (const valarray<_T>&) const;
- void operator= (const _T &);
-
- template<class _Dom>
- void operator= (const _Expr<_Dom,_T>&) const;
- template<class _Dom>
- void operator*= (const _Expr<_Dom,_T>&) const;
- template<class _Dom>
- void operator/= (const _Expr<_Dom,_T>&) const;
- template<class _Dom>
- void operator%= (const _Expr<_Dom,_T>&) const;
- template<class _Dom>
- void operator+= (const _Expr<_Dom,_T>&) const;
- template<class _Dom>
- void operator-= (const _Expr<_Dom,_T>&) const;
- template<class _Dom>
- void operator^= (const _Expr<_Dom,_T>&) const;
- template<class _Dom>
- void operator&= (const _Expr<_Dom,_T>&) const;
- template<class _Dom>
- void operator|= (const _Expr<_Dom,_T>&) const;
- template<class _Dom>
- void operator<<= (const _Expr<_Dom,_T>&) const;
- template<class _Dom>
- void operator>>= (const _Expr<_Dom,_T>&) const;
-
- private:
- friend class valarray<_T>;
- slice_array(_Array<_T>, const slice&);
-
- const size_t _M_sz;
- const size_t _M_stride;
- const _Array<_T> _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 _T>
- inline slice_array<_T>::slice_array (_Array<_T> __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 _T>
- inline void
- slice_array<_T>::operator= (const _T& __t)
- { __valarray_fill (_M_array, _M_sz, _M_stride, __t); }
-
- template<typename _T>
- inline void
- slice_array<_T>::operator= (const valarray<_T>& __v) const
- { __valarray_copy (_Array<_T> (__v), _M_array, _M_sz, _M_stride); }
-
- template<typename _T>
- template<class _Dom>
- inline void
- slice_array<_T>::operator= (const _Expr<_Dom,_T>& __e) const
- { __valarray_copy (__e, _M_sz, _M_array, _M_stride); }
-
- #undef _DEFINE_VALARRAY_OPERATOR
- #define _DEFINE_VALARRAY_OPERATOR(op, name) \
- template<typename _T> \
- inline void \
- slice_array<_T>::operator##op##= (const valarray<_T>& __v) const \
- { \
- _Array_augmented_##name (_M_array, _M_sz, _M_stride, _Array<_T> (__v));\
- } \
- \
- template<typename _T> template<class _Dom> \
- inline void \
- slice_array<_T>::operator##op##= (const _Expr<_Dom,_T>& __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
-
- } // extern "C++"
-
- #endif // __SLICE_ARRAY__
-
- // Local Variables:
- // mode:c++
- // End:
-