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Diffstat (limited to 'contrib/libstdc++/std/valarray_meta.h')
| -rw-r--r-- | contrib/libstdc++/std/valarray_meta.h | 1046 |
1 files changed, 0 insertions, 1046 deletions
diff --git a/contrib/libstdc++/std/valarray_meta.h b/contrib/libstdc++/std/valarray_meta.h deleted file mode 100644 index 48fb213..0000000 --- a/contrib/libstdc++/std/valarray_meta.h +++ /dev/null @@ -1,1046 +0,0 @@ -// The template and inlines for the -*- C++ -*- internal _Meta 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@cmla.ens-cachan.fr> - -#ifndef _CPP_VALARRAY_META_H -#define _CPP_VALARRAY_META_H 1 - -// -// Implementing a loosened valarray return value is tricky. -// First we need to meet 26.3.1/3: we should not add more than -// two levels of template nesting. Therefore we resort to template -// template to "flatten" loosened return value types. -// At some point we use partial specialization to remove one level -// template nesting due to _Expr<> -// - - -// This class is NOT defined. It doesn't need to. -template<typename _Tp1, typename _Tp2> class _Constant; - -// -// Unary function application closure. -// -template<class _Dom> class _UnFunBase { -public: - typedef typename _Dom::value_type value_type; - typedef value_type _Vt; - - _UnFunBase (const _Dom& __e, _Vt __f(_Vt)) - : _M_expr(__e), _M_func(__f) {} - - _Vt operator[] (size_t __i) const { return _M_func(_M_expr[__i]); } - size_t size () const { return _M_expr.size(); } - -private: - const _Dom& _M_expr; - _Vt (*_M_func)(_Vt); -}; - -template<template<class, class> class _Meta, class _Dom> class _UnFunClos; - -template<class _Dom> -struct _UnFunClos<_Expr,_Dom> : _UnFunBase<_Dom> { - typedef _UnFunBase<_Dom> _Base; - typedef typename _Base::value_type value_type; - - _UnFunClos (const _Dom& __e, value_type __f(value_type)) - : _Base (__e, __f) {} -}; - -template<typename _Tp> -struct _UnFunClos<_ValArray,_Tp> : _UnFunBase<valarray<_Tp> > { - typedef _UnFunBase<valarray<_Tp> > _Base; - typedef typename _Base::value_type value_type; - - _UnFunClos (const valarray<_Tp>& __v, _Tp __f(_Tp)) - : _Base (__v, __f) {} -}; - -// -// Binary function application closure. -// -template<template<class, class> class _Meta1, - template<class, class> class Meta2, - class _Dom1, class _Dom2> class _BinFunClos; - -template<class _Dom1, class _Dom2> class _BinFunBase { -public: - typedef typename _Dom1::value_type value_type; - typedef value_type _Vt; - - _BinFunBase (const _Dom1& __e1, const _Dom2& __e2, - _Vt __f (_Vt, _Vt)) - : _M_expr1 (__e1), _M_expr2 (__e2), _M_func (__f) {} - - value_type operator[] (size_t __i) const - { return _M_func (_M_expr1[__i], _M_expr2[__i]); } - size_t size () const { return _M_expr1.size (); } - -private: - const _Dom1& _M_expr1; - const _Dom2& _M_expr2; - _Vt (*_M_func)(_Vt, _Vt); -}; - -template<class _Dom> class _BinFunBase1 { -public: - typedef typename _Dom::value_type value_type ; - typedef value_type _Vt; - - _BinFunBase1 (const _Vt& __c, const _Dom& __e, _Vt __f(_Vt, _Vt)) - : _M_expr1 (__c), _M_expr2 (__e), _M_func (__f) {} - - value_type operator[] (size_t __i) const - { return _M_func (_M_expr1, _M_expr2[__i]); } - size_t size () const { return _M_expr2.size (); } - -private: - const _Vt& _M_expr1; - const _Dom& _M_expr2; - _Vt (*_M_func)(_Vt, _Vt); -}; - -template<class _Dom> class _BinFunBase2 { -public: - typedef typename _Dom::value_type value_type; - typedef value_type _Vt; - - _BinFunBase2 (const _Dom& __e, const _Vt& __c, _Vt __f(_Vt, _Vt)) - : _M_expr1 (__e), _M_expr2 (__c), _M_func (__f) {} - - value_type operator[] (size_t __i) const - { return _M_func (_M_expr1[__i], _M_expr2); } - size_t size () const { return _M_expr1.size (); } - -private: - const _Dom& _M_expr1; - const _Vt& _M_expr2; - _Vt (*_M_func)(_Vt, _Vt); -}; - -template<class _Dom1, class _Dom2> -struct _BinFunClos<_Expr,_Expr,_Dom1,_Dom2> : _BinFunBase<_Dom1,_Dom2> { - typedef _BinFunBase<_Dom1,_Dom2> _Base; - typedef typename _Base::value_type value_type; - typedef value_type _Tp; - - _BinFunClos (const _Dom1& __e1, const _Dom2& __e2, - _Tp __f(_Tp, _Tp)) - : _Base (__e1, __e2, __f) {} -}; - -template<typename _Tp> -struct _BinFunClos<_ValArray,_ValArray,_Tp,_Tp> - : _BinFunBase<valarray<_Tp>, valarray<_Tp> > { - typedef _BinFunBase<valarray<_Tp>, valarray<_Tp> > _Base; - typedef _Tp value_type; - - _BinFunClos (const valarray<_Tp>& __v, const valarray<_Tp>& __w, - _Tp __f(_Tp, _Tp)) - : _Base (__v, __w, __f) {} -}; - -template<class _Dom> -struct _BinFunClos<_Expr,_ValArray,_Dom,typename _Dom::value_type> - : _BinFunBase<_Dom,valarray<typename _Dom::value_type> > { - typedef typename _Dom::value_type _Tp; - typedef _BinFunBase<_Dom,valarray<_Tp> > _Base; - typedef _Tp value_type; - - _BinFunClos (const _Dom& __e, const valarray<_Tp>& __v, - _Tp __f(_Tp, _Tp)) - : _Base (__e, __v, __f) {} -}; - -template<class _Dom> -struct _BinFunClos<_ValArray,_Expr,typename _Dom::value_type,_Dom> - : _BinFunBase<valarray<typename _Dom::value_type>,_Dom> { - typedef typename _Dom::value_type _Tp; - typedef _BinFunBase<_Dom,valarray<_Tp> > _Base; - typedef _Tp value_type; - - _BinFunClos (const valarray<_Tp>& __v, const _Dom& __e, - _Tp __f(_Tp, _Tp)) - : _Base (__v, __e, __f) {} -}; - -template<class _Dom> -struct _BinFunClos<_Expr,_Constant,_Dom,typename _Dom::value_type> - : _BinFunBase2<_Dom> { - typedef typename _Dom::value_type _Tp; - typedef _Tp value_type; - typedef _BinFunBase2<_Dom> _Base; - - _BinFunClos (const _Dom& __e, const _Tp& __t, _Tp __f (_Tp, _Tp)) - : _Base (__e, __t, __f) {} -}; - -template<class _Dom> -struct _BinFunClos<_Constant,_Expr,_Dom,typename _Dom::value_type> - : _BinFunBase1<_Dom> { - typedef typename _Dom::value_type _Tp; - typedef _Tp value_type; - typedef _BinFunBase1<_Dom> _Base; - - _BinFunClos (const _Tp& __t, const _Dom& __e, _Tp __f (_Tp, _Tp)) - : _Base (__t, __e, __f) {} -}; - -template<typename _Tp> -struct _BinFunClos<_ValArray,_Constant,_Tp,_Tp> - : _BinFunBase2<valarray<_Tp> > { - typedef _BinFunBase2<valarray<_Tp> > _Base; - typedef _Tp value_type; - - _BinFunClos (const valarray<_Tp>& __v, const _Tp& __t, - _Tp __f(_Tp, _Tp)) - : _Base (__v, __t, __f) {} -}; - -template<typename _Tp> -struct _BinFunClos<_Constant,_ValArray,_Tp,_Tp> - : _BinFunBase1<valarray<_Tp> > { - typedef _BinFunBase1<valarray<_Tp> > _Base; - typedef _Tp value_type; - - _BinFunClos (const _Tp& __t, const valarray<_Tp>& __v, - _Tp __f (_Tp, _Tp)) - : _Base (__t, __v, __f) {} -}; - -// -// Apply function taking a value/const reference closure -// - -template<typename _Dom, typename _Arg> class _FunBase { -public: - typedef typename _Dom::value_type value_type; - - _FunBase (const _Dom& __e, value_type __f(_Arg)) - : _M_expr (__e), _M_func (__f) {} - - value_type operator[] (size_t __i) const - { return _M_func (_M_expr[__i]); } - size_t size() const { return _M_expr.size ();} - -private: - const _Dom& _M_expr; - value_type (*_M_func)(_Arg); -}; - -template<class _Dom> -struct _ValFunClos<_Expr,_Dom> - : _FunBase<_Dom, typename _Dom::value_type> { - typedef _FunBase<_Dom, typename _Dom::value_type> _Base; - typedef typename _Base::value_type value_type; - typedef value_type _Tp; - - _ValFunClos (const _Dom& __e, _Tp __f (_Tp)) : _Base (__e, __f) {} -}; - -template<typename _Tp> -struct _ValFunClos<_ValArray,_Tp> - : _FunBase<valarray<_Tp>, _Tp> { - typedef _FunBase<valarray<_Tp>, _Tp> _Base; - typedef _Tp value_type; - - _ValFunClos (const valarray<_Tp>& __v, _Tp __f(_Tp)) - : _Base (__v, __f) {} -}; - -template<class _Dom> -struct _RefFunClos<_Expr,_Dom> : - _FunBase<_Dom, const typename _Dom::value_type&> { - typedef _FunBase<_Dom, const typename _Dom::value_type&> _Base; - typedef typename _Base::value_type value_type; - typedef value_type _Tp; - - _RefFunClos (const _Dom& __e, _Tp __f (const _Tp&)) - : _Base (__e, __f) {} -}; - -template<typename _Tp> -struct _RefFunClos<_ValArray,_Tp> - : _FunBase<valarray<_Tp>, const _Tp&> { - typedef _FunBase<valarray<_Tp>, const _Tp&> _Base; - typedef _Tp value_type; - - _RefFunClos (const valarray<_Tp>& __v, _Tp __f(const _Tp&)) - : _Base (__v, __f) {} -}; - -// -// Unary expression closure. -// - -template<template<class> class _Oper, typename _Arg> -class _UnBase { -public: - typedef _Oper<typename _Arg::value_type> _Op; - typedef typename _Op::result_type value_type; - - _UnBase (const _Arg& __e) : _M_expr(__e) {} - value_type operator[] (size_t) const; - size_t size () const { return _M_expr.size (); } - -private: - const _Arg& _M_expr; -}; - -template<template<class> class _Oper, typename _Arg> -inline typename _UnBase<_Oper, _Arg>::value_type -_UnBase<_Oper, _Arg>::operator[] (size_t __i) const -{ return _Op() (_M_expr[__i]); } - -template<template<class> class _Oper, class _Dom> -struct _UnClos<_Oper, _Expr, _Dom> : _UnBase<_Oper, _Dom> { - typedef _Dom _Arg; - typedef _UnBase<_Oper, _Dom> _Base; - typedef typename _Base::value_type value_type; - - _UnClos (const _Arg& __e) : _Base(__e) {} -}; - -template<template<class> class _Oper, typename _Tp> -struct _UnClos<_Oper, _ValArray, _Tp> : _UnBase<_Oper, valarray<_Tp> > { - typedef valarray<_Tp> _Arg; - typedef _UnBase<_Oper, valarray<_Tp> > _Base; - typedef typename _Base::value_type value_type; - - _UnClos (const _Arg& __e) : _Base(__e) {} -}; - - -// -// Binary expression closure. -// - -template<template<class> class _Oper, typename _FirstArg, typename _SecondArg> -class _BinBase { -public: - typedef _Oper<typename _FirstArg::value_type> _Op; - typedef typename _Op::result_type value_type; - - _BinBase (const _FirstArg& __e1, const _SecondArg& __e2) - : _M_expr1 (__e1), _M_expr2 (__e2) {} - value_type operator[] (size_t) const; - size_t size () const { return _M_expr1.size (); } - -private: - const _FirstArg& _M_expr1; - const _SecondArg& _M_expr2; -}; - -template<template<class> class _Oper, typename _FirstArg, typename _SecondArg> -inline typename _BinBase<_Oper,_FirstArg,_SecondArg>::value_type -_BinBase<_Oper,_FirstArg,_SecondArg>::operator[] (size_t __i) const -{ return _Op() (_M_expr1[__i], _M_expr2[__i]); } - - -template<template<class> class _Oper, class _Clos> -class _BinBase2 { -public: - typedef typename _Clos::value_type _Vt; - typedef _Oper<_Vt> _Op; - typedef typename _Op::result_type value_type; - - _BinBase2 (const _Clos& __e, const _Vt& __t) - : _M_expr1 (__e), _M_expr2 (__t) {} - value_type operator[] (size_t) const; - size_t size () const { return _M_expr1.size (); } - -private: - const _Clos& _M_expr1; - const _Vt& _M_expr2; -}; - -template<template<class> class _Oper, class _Clos> -inline typename _BinBase2<_Oper,_Clos>::value_type -_BinBase2<_Oper,_Clos>::operator[] (size_t __i) const -{ return _Op() (_M_expr1[__i], _M_expr2); } - - -template<template<class> class _Oper, class _Clos> -class _BinBase1 { -public: - typedef typename _Clos::value_type _Vt; - typedef _Oper<_Vt> _Op; - typedef typename _Op::result_type value_type; - - _BinBase1 (const _Vt& __t, const _Clos& __e) - : _M_expr1 (__t), _M_expr2 (__e) {} - value_type operator[] (size_t) const; - size_t size () const { return _M_expr2.size (); } - -private: - const _Vt& _M_expr1; - const _Clos& _M_expr2; -}; - -template<template<class> class _Oper, class _Clos> -inline typename -_BinBase1<_Oper,_Clos>::value_type -_BinBase1<_Oper,_Clos>:: operator[] (size_t __i) const -{ return _Op() (_M_expr1, _M_expr2[__i]); } - - -template<template<class> class _Oper, class _Dom1, class _Dom2> -struct _BinClos<_Oper, _Expr, _Expr, _Dom1, _Dom2> - : _BinBase<_Oper,_Dom1,_Dom2> { - typedef _BinBase<_Oper,_Dom1,_Dom2> _Base; - typedef typename _Base::value_type value_type; - - _BinClos(const _Dom1& __e1, const _Dom2& __e2) : _Base(__e1, __e2) {} -}; - -template<template<class> class _Oper, typename _Tp> -struct _BinClos<_Oper,_ValArray,_ValArray,_Tp,_Tp> - : _BinBase<_Oper,valarray<_Tp>,valarray<_Tp> > { - typedef _BinBase<_Oper,valarray<_Tp>,valarray<_Tp> > _Base; - typedef _Tp value_type; - - _BinClos (const valarray<_Tp>& __v, const valarray<_Tp>& __w) - : _Base (__v, __w) {} -}; - -template<template<class> class _Oper, class _Dom> -struct _BinClos<_Oper,_Expr,_ValArray,_Dom,typename _Dom::value_type> - : _BinBase<_Oper,_Dom,valarray<typename _Dom::value_type> > { - typedef typename _Dom::value_type _Tp; - typedef _BinBase<_Oper,_Dom,valarray<_Tp> > _Base; - typedef typename _Base::value_type value_type; - - _BinClos(const _Dom& __e1, const valarray<_Tp>& __e2) - : _Base (__e1, __e2) {} -}; - -template<template<class> class _Oper, class _Dom> -struct _BinClos<_Oper,_ValArray,_Expr,typename _Dom::value_type,_Dom> - : _BinBase<_Oper,valarray<typename _Dom::value_type>,_Dom> { - typedef typename _Dom::value_type _Tp; - typedef _BinBase<_Oper,valarray<_Tp>,_Dom> _Base; - typedef typename _Base::value_type value_type; - - _BinClos (const valarray<_Tp>& __e1, const _Dom& __e2) - : _Base (__e1, __e2) {} -}; - -template<template<class> class _Oper, class _Dom> -struct _BinClos<_Oper,_Expr,_Constant,_Dom,typename _Dom::value_type> - : _BinBase2<_Oper,_Dom> { - typedef typename _Dom::value_type _Tp; - typedef _BinBase2<_Oper,_Dom> _Base; - typedef typename _Base::value_type value_type; - - _BinClos (const _Dom& __e1, const _Tp& __e2) : _Base (__e1, __e2) {} -}; - -template<template<class> class _Oper, class _Dom> -struct _BinClos<_Oper,_Constant,_Expr,typename _Dom::value_type,_Dom> - : _BinBase1<_Oper,_Dom> { - typedef typename _Dom::value_type _Tp; - typedef _BinBase1<_Oper,_Dom> _Base; - typedef typename _Base::value_type value_type; - - _BinClos (const _Tp& __e1, const _Dom& __e2) : _Base (__e1, __e2) {} -}; - -template<template<class> class _Oper, typename _Tp> -struct _BinClos<_Oper,_ValArray,_Constant,_Tp,_Tp> - : _BinBase2<_Oper,valarray<_Tp> > { - typedef _BinBase2<_Oper,valarray<_Tp> > _Base; - typedef typename _Base::value_type value_type; - - _BinClos (const valarray<_Tp>& __v, const _Tp& __t) - : _Base (__v, __t) {} -}; - -template<template<class> class _Oper, typename _Tp> -struct _BinClos<_Oper,_Constant,_ValArray,_Tp,_Tp> - : _BinBase1<_Oper,valarray<_Tp> > { - typedef _BinBase1<_Oper,valarray<_Tp> > _Base; - typedef typename _Base::value_type value_type; - - _BinClos (const _Tp& __t, const valarray<_Tp>& __v) - : _Base (__t, __v) {} -}; - - -// -// slice_array closure. -// -template<typename _Dom> class _SBase { -public: - typedef typename _Dom::value_type value_type; - - _SBase (const _Dom& __e, const slice& __s) - : _M_expr (__e), _M_slice (__s) {} - value_type operator[] (size_t __i) const - { return _M_expr[_M_slice.start () + __i * _M_slice.stride ()]; } - size_t size() const { return _M_slice.size (); } - -private: - const _Dom& _M_expr; - const slice& _M_slice; -}; - -template<typename _Tp> class _SBase<_Array<_Tp> > { -public: - typedef _Tp value_type; - - _SBase (_Array<_Tp> __a, const slice& __s) - : _M_array (__a._M_data+__s.start()), _M_size (__s.size()), - _M_stride (__s.stride()) {} - value_type operator[] (size_t __i) const - { return _M_array._M_data[__i * _M_stride]; } - size_t size() const { return _M_size; } - -private: - const _Array<_Tp> _M_array; - const size_t _M_size; - const size_t _M_stride; -}; - -template<class _Dom> struct _SClos<_Expr,_Dom> : _SBase<_Dom> { - typedef _SBase<_Dom> _Base; - typedef typename _Base::value_type value_type; - - _SClos (const _Dom& __e, const slice& __s) : _Base (__e, __s) {} -}; - -template<typename _Tp> -struct _SClos<_ValArray,_Tp> : _SBase<_Array<_Tp> > { - typedef _SBase<_Array<_Tp> > _Base; - typedef _Tp value_type; - - _SClos (_Array<_Tp> __a, const slice& __s) : _Base (__a, __s) {} -}; - -// -// gslice_array closure. -// -template<class _Dom> class _GBase { -public: - typedef typename _Dom::value_type value_type; - - _GBase (const _Dom& __e, const valarray<size_t>& __i) - : _M_expr (__e), _M_index(__i) {} - value_type operator[] (size_t __i) const - { return _M_expr[_M_index[__i]]; } - size_t size () const { return _M_index.size(); } - -private: - const _Dom& _M_expr; - const valarray<size_t>& _M_index; -}; - -template<typename _Tp> class _GBase<_Array<_Tp> > { -public: - typedef _Tp value_type; - - _GBase (_Array<_Tp> __a, const valarray<size_t>& __i) - : _M_array (__a), _M_index(__i) {} - value_type operator[] (size_t __i) const - { return _M_array._M_data[_M_index[__i]]; } - size_t size () const { return _M_index.size(); } - -private: - const _Array<_Tp> _M_array; - const valarray<size_t>& _M_index; -}; - -template<class _Dom> struct _GClos<_Expr,_Dom> : _GBase<_Dom> { - typedef _GBase<_Dom> _Base; - typedef typename _Base::value_type value_type; - - _GClos (const _Dom& __e, const valarray<size_t>& __i) - : _Base (__e, __i) {} -}; - -template<typename _Tp> -struct _GClos<_ValArray,_Tp> : _GBase<_Array<_Tp> > { - typedef _GBase<_Array<_Tp> > _Base; - typedef typename _Base::value_type value_type; - - _GClos (_Array<_Tp> __a, const valarray<size_t>& __i) - : _Base (__a, __i) {} -}; - -// -// indirect_array closure -// - -template<class _Dom> class _IBase { -public: - typedef typename _Dom::value_type value_type; - - _IBase (const _Dom& __e, const valarray<size_t>& __i) - : _M_expr (__e), _M_index (__i) {} - value_type operator[] (size_t __i) const - { return _M_expr[_M_index[__i]]; } - size_t size() const { return _M_index.size(); } - -private: - const _Dom& _M_expr; - const valarray<size_t>& _M_index; -}; - -template<class _Dom> struct _IClos<_Expr,_Dom> : _IBase<_Dom> { - typedef _IBase<_Dom> _Base; - typedef typename _Base::value_type value_type; - - _IClos (const _Dom& __e, const valarray<size_t>& __i) - : _Base (__e, __i) {} -}; - -template<typename _Tp> -struct _IClos<_ValArray,_Tp> : _IBase<valarray<_Tp> > { - typedef _IBase<valarray<_Tp> > _Base; - typedef _Tp value_type; - - _IClos (const valarray<_Tp>& __a, const valarray<size_t>& __i) - : _Base (__a, __i) {} -}; - -// -// class _Expr -// -template<class _Clos, typename _Tp> class _Expr { -public: - typedef _Tp value_type; - - _Expr (const _Clos&); - - const _Clos& operator() () const; - - value_type operator[] (size_t) const; - valarray<value_type> operator[] (slice) const; - valarray<value_type> operator[] (const gslice&) const; - valarray<value_type> operator[] (const valarray<bool>&) const; - valarray<value_type> operator[] (const valarray<size_t>&) const; - - _Expr<_UnClos<_Unary_plus,_Expr,_Clos>, value_type> - operator+ () const; - - _Expr<_UnClos<negate,_Expr,_Clos>, value_type> - operator- () const; - - _Expr<_UnClos<_Bitwise_not,_Expr,_Clos>, value_type> - operator~ () const; - - _Expr<_UnClos<logical_not,_Expr,_Clos>, bool> - operator! () const; - - size_t size () const; - value_type sum () const; - - valarray<value_type> shift (int) const; - valarray<value_type> cshift (int) const; -// _Meta<_ApplyFunctionWithValue<_Expr>, value_type> -// apply (value_type _M_func (value_type)) const; -// _Meta<_ApplyFunctionWithConstRef<_Expr>, value_type> -// apply (value_type _M_func (const value_type&)) const; - -private: - const _Clos _M_closure; -}; - -template<class _Clos, typename _Tp> -inline -_Expr<_Clos,_Tp>::_Expr (const _Clos& __c) : _M_closure(__c) {} - -template<class _Clos, typename _Tp> -inline const _Clos& -_Expr<_Clos,_Tp>::operator() () const -{ return _M_closure; } - -template<class _Clos, typename _Tp> -inline _Tp -_Expr<_Clos,_Tp>::operator[] (size_t __i) const -{ return _M_closure[__i]; } - -template<class _Clos, typename _Tp> -inline valarray<_Tp> -_Expr<_Clos,_Tp>::operator[] (slice __s) const -{ return _M_closure[__s]; } - -template<class _Clos, typename _Tp> -inline valarray<_Tp> -_Expr<_Clos,_Tp>::operator[] (const gslice& __gs) const -{ return _M_closure[__gs]; } - -template<class _Clos, typename _Tp> -inline valarray<_Tp> -_Expr<_Clos,_Tp>::operator[] (const valarray<bool>& __m) const -{ return _M_closure[__m]; } - -template<class _Clos, typename _Tp> -inline valarray<_Tp> -_Expr<_Clos,_Tp>::operator[] (const valarray<size_t>& __i) const -{ return _M_closure[__i]; } - -template<class _Clos, typename _Tp> -inline size_t -_Expr<_Clos,_Tp>::size () const { return _M_closure.size (); } - -// XXX: replace this with a more robust summation algorithm. -template<class _Clos, typename _Tp> -inline _Tp -_Expr<_Clos,_Tp>::sum () const -{ - _Tp __s(_Tp()); - size_t __n (_M_closure.size ()); - for (size_t __i=0; __i<__n; ++__i) __s += _M_closure[__i]; - return __s; -} - -template<class _Dom, typename _Tp> -inline _Tp -min (const _Expr<_Dom,_Tp>& __e) -{ - size_t __s (__e.size ()); - _Tp __m (__e[0]); - for (size_t __i=1; __i<__s; ++__i) - if (__m > __e[__i]) __m = __e[__i]; - return __m; -} - -template<class _Dom, typename _Tp> -inline _Tp -max (const _Expr<_Dom,_Tp>& __e) -{ - size_t __s (__e.size()); - _Tp __m (__e[0]); - for (size_t __i=1; __i<__s; ++__i) - if (__m < __e[__i]) __m = __e[__i]; - return __m; -} - -template<class _Dom, typename _Tp> -inline _Expr<_UnClos<logical_not,_Expr,_Dom>, bool> -_Expr<_Dom,_Tp>::operator! () const -{ - typedef _UnClos<logical_not,_Expr,_Dom> _Closure; - return _Expr<_Closure,_Tp> (_Closure(this->_M_closure)); -} - -#define _DEFINE_EXPR_UNARY_OPERATOR(_Op, _Name) \ -template<class _Dom, typename _Tp> \ -inline _Expr<_UnClos<_Name,_Expr,_Dom>,_Tp> \ -_Expr<_Dom,_Tp>::operator##_Op () const \ -{ \ - typedef _UnClos<_Name,_Expr,_Dom> _Closure; \ - return _Expr<_Closure,_Tp> (_Closure (this->_M_closure)); \ -} - - _DEFINE_EXPR_UNARY_OPERATOR(+, _Unary_plus) - _DEFINE_EXPR_UNARY_OPERATOR(-, negate) - _DEFINE_EXPR_UNARY_OPERATOR(~, _Bitwise_not) - -#undef _DEFINE_EXPR_UNARY_OPERATOR - - -#define _DEFINE_EXPR_BINARY_OPERATOR(_Op, _Name) \ -template<class _Dom1, class _Dom2> \ -inline _Expr<_BinClos<_Name,_Expr,_Expr,_Dom1,_Dom2>, \ - typename _Name<typename _Dom1::value_type>::result_type> \ -operator##_Op (const _Expr<_Dom1,typename _Dom1::value_type>& __v, \ - const _Expr<_Dom2,typename _Dom2::value_type>& __w) \ -{ \ - typedef typename _Dom1::value_type _Arg; \ - typedef typename _Name<_Arg>::result_type _Value; \ - typedef _BinClos<_Name,_Expr,_Expr,_Dom1,_Dom2> _Closure; \ - return _Expr<_Closure,_Value> (_Closure (__v (), __w ())); \ -} \ - \ -template<class _Dom> \ -inline _Expr<_BinClos<_Name,_Expr,_Constant,_Dom,typename _Dom::value_type>, \ - typename _Name<typename _Dom::value_type>::result_type> \ -operator##_Op (const _Expr<_Dom,typename _Dom::value_type>& __v, \ - const typename _Dom::value_type& __t) \ -{ \ - typedef typename _Dom::value_type _Arg; \ - typedef typename _Name<_Arg>::result_type _Value; \ - typedef _BinClos<_Name,_Expr,_Constant,_Dom,_Arg> _Closure; \ - return _Expr<_Closure,_Value> (_Closure (__v (), __t)); \ -} \ - \ -template<class _Dom> \ -inline _Expr<_BinClos<_Name,_Constant,_Expr,typename _Dom::value_type,_Dom>, \ - typename _Name<typename _Dom::value_type>::result_type> \ -operator##_Op (const typename _Dom::value_type& __t, \ - const _Expr<_Dom,typename _Dom::value_type>& __v) \ -{ \ - typedef typename _Dom::value_type _Arg; \ - typedef typename _Name<_Arg>::result_type _Value; \ - typedef _BinClos<_Name,_Constant,_Expr,_Arg,_Dom> _Closure; \ - return _Expr<_Closure,_Value> (_Closure (__t, __v ())); \ -} \ - \ -template<class _Dom> \ -inline _Expr<_BinClos<_Name,_Expr,_ValArray,_Dom,typename _Dom::value_type>, \ - typename _Name<typename _Dom::value_type>::result_type> \ -operator##_Op (const _Expr<_Dom,typename _Dom::value_type>& __e, \ - const valarray<typename _Dom::value_type>& __v) \ -{ \ - typedef typename _Dom::value_type _Arg; \ - typedef typename _Name<_Arg>::result_type _Value; \ - typedef _BinClos<_Name,_Expr,_ValArray,_Dom,_Arg> _Closure; \ - return _Expr<_Closure,_Value> (_Closure (__e (), __v)); \ -} \ - \ -template<class _Dom> \ -inline _Expr<_BinClos<_Name,_ValArray,_Expr,typename _Dom::value_type,_Dom>, \ - typename _Name<typename _Dom::value_type>::result_type> \ -operator##_Op (const valarray<typename _Dom::value_type>& __v, \ - const _Expr<_Dom,typename _Dom::value_type>& __e) \ -{ \ - typedef typename _Dom::value_type _Tp; \ - typedef typename _Name<_Tp>::result_type _Value; \ - typedef _BinClos<_Name,_ValArray,_Expr,_Tp,_Dom> _Closure; \ - return _Expr<_Closure,_Value> (_Closure (__v, __e ())); \ -} - - _DEFINE_EXPR_BINARY_OPERATOR(+, plus) - _DEFINE_EXPR_BINARY_OPERATOR(-, minus) - _DEFINE_EXPR_BINARY_OPERATOR(*, multiplies) - _DEFINE_EXPR_BINARY_OPERATOR(/, divides) - _DEFINE_EXPR_BINARY_OPERATOR(%, modulus) - _DEFINE_EXPR_BINARY_OPERATOR(^, _Bitwise_xor) - _DEFINE_EXPR_BINARY_OPERATOR(&, _Bitwise_and) - _DEFINE_EXPR_BINARY_OPERATOR(|, _Bitwise_or) - _DEFINE_EXPR_BINARY_OPERATOR(<<, _Shift_left) - _DEFINE_EXPR_BINARY_OPERATOR(>>, _Shift_right) - -#undef _DEFINE_EXPR_BINARY_OPERATOR - -#define _DEFINE_EXPR_RELATIONAL_OPERATOR(_Op, _Name) \ -template<class _Dom1, class _Dom2> \ -inline _Expr<_BinClos<_Name,_Expr,_Expr,_Dom1,_Dom2>, bool> \ -operator##_Op (const _Expr<_Dom1,typename _Dom1::value_type>& __v, \ - const _Expr<_Dom2,typename _Dom2::value_type>& __w) \ -{ \ - typedef typename _Dom1::value_type _Arg; \ - typedef _BinClos<_Name,_Expr,_Expr,_Dom1,_Dom2> _Closure; \ - return _Expr<_Closure,bool> (_Closure (__v (), __w ())); \ -} \ - \ -template<class _Dom> \ -inline _Expr<_BinClos<_Name,_Expr,_Constant,_Dom,typename _Dom::value_type>, \ - bool> \ -operator##_Op (const _Expr<_Dom,typename _Dom::value_type>& __v, \ - const typename _Dom::value_type& __t) \ -{ \ - typedef typename _Dom::value_type _Arg; \ - typedef _BinClos<_Name,_Expr,_Constant,_Dom,_Arg> _Closure; \ - return _Expr<_Closure,bool> (_Closure (__v (), __t)); \ -} \ - \ -template<class _Dom> \ -inline _Expr<_BinClos<_Name,_Constant,_Expr,typename _Dom::value_type,_Dom>, \ - bool> \ -operator##_Op (const typename _Dom::value_type& __t, \ - const _Expr<_Dom,typename _Dom::value_type>& __v) \ -{ \ - typedef typename _Dom::value_type _Arg; \ - typedef _BinClos<_Name,_Constant,_Expr,_Arg,_Dom> _Closure; \ - return _Expr<_Closure,bool> (_Closure (__t, __v ())); \ -} \ - \ -template<class _Dom> \ -inline _Expr<_BinClos<_Name,_Expr,_ValArray,_Dom,typename _Dom::value_type>, \ - bool> \ -operator##_Op (const _Expr<_Dom,typename _Dom::value_type>& __e, \ - const valarray<typename _Dom::value_type>& __v) \ -{ \ - typedef typename _Dom::value_type _Tp; \ - typedef _BinClos<_Name,_Expr,_ValArray,_Dom,_Tp> _Closure; \ - return _Expr<_Closure,bool> (_Closure (__e (), __v)); \ -} \ - \ -template<class _Dom> \ -inline _Expr<_BinClos<_Name,_ValArray,_Expr,typename _Dom::value_type,_Dom>, \ - bool> \ -operator##_Op (const valarray<typename _Dom::value_type>& __v, \ - const _Expr<_Dom,typename _Dom::value_type>& __e) \ -{ \ - typedef typename _Dom::value_type _Tp; \ - typedef _BinClos<_Name,_ValArray,_Expr,_Tp,_Dom> _Closure; \ - return _Expr<_Closure,bool> (_Closure (__v, __e ())); \ -} - - _DEFINE_EXPR_RELATIONAL_OPERATOR(&&, logical_and) - _DEFINE_EXPR_RELATIONAL_OPERATOR(||, logical_or) - _DEFINE_EXPR_RELATIONAL_OPERATOR(==, equal_to) - _DEFINE_EXPR_RELATIONAL_OPERATOR(!=, not_equal_to) - _DEFINE_EXPR_RELATIONAL_OPERATOR(<, less) - _DEFINE_EXPR_RELATIONAL_OPERATOR(>, greater) - _DEFINE_EXPR_RELATIONAL_OPERATOR(<=, less_equal) - _DEFINE_EXPR_RELATIONAL_OPERATOR(>=, greater_equal) - -#undef _DEFINE_EXPR_RELATIONAL_OPERATOR - - - -#define _DEFINE_EXPR_UNARY_FUNCTION(_Name) \ -template<class _Dom> \ -inline _Expr<_UnFunClos<_Expr,_Dom>,typename _Dom::value_type> \ -_Name(const _Expr<_Dom,typename _Dom::value_type>& __e) \ -{ \ - typedef typename _Dom::value_type _Tp; \ - typedef _UnFunClos<_Expr,_Dom> _Closure; \ - return _Expr<_Closure,_Tp>(_Closure(__e(), (_Tp(*)(_Tp))(&_Name))); \ -} \ - \ -template<typename _Tp> \ -inline _Expr<_UnFunClos<_ValArray,_Tp>,_Tp> \ -_Name(const valarray<_Tp>& __v) \ -{ \ - typedef _UnFunClos<_ValArray,_Tp> _Closure; \ - return _Expr<_Closure,_Tp> (_Closure (__v, (_Tp(*)(_Tp))(&_Name))); \ -} - - - _DEFINE_EXPR_UNARY_FUNCTION(abs) - _DEFINE_EXPR_UNARY_FUNCTION(cos) - _DEFINE_EXPR_UNARY_FUNCTION(acos) - _DEFINE_EXPR_UNARY_FUNCTION(cosh) - _DEFINE_EXPR_UNARY_FUNCTION(sin) - _DEFINE_EXPR_UNARY_FUNCTION(asin) - _DEFINE_EXPR_UNARY_FUNCTION(sinh) - _DEFINE_EXPR_UNARY_FUNCTION(tan) - _DEFINE_EXPR_UNARY_FUNCTION(tanh) - _DEFINE_EXPR_UNARY_FUNCTION(atan) - _DEFINE_EXPR_UNARY_FUNCTION(exp) - _DEFINE_EXPR_UNARY_FUNCTION(log) - _DEFINE_EXPR_UNARY_FUNCTION(log10) - _DEFINE_EXPR_UNARY_FUNCTION(sqrt) - -#undef _DEFINE_EXPR_UNARY_FUNCTION - - -#define _DEFINE_EXPR_BINARY_FUNCTION(_Name) \ -template<class _Dom1, class _Dom2> \ -inline _Expr<_BinFunClos<_Expr,_Expr,_Dom1,_Dom2>,typename _Dom1::value_type>\ -_Name (const _Expr<_Dom1,typename _Dom1::value_type>& __e1, \ - const _Expr<_Dom2,typename _Dom2::value_type>& __e2) \ -{ \ - typedef typename _Dom1::value_type _Tp; \ - typedef _BinFunClos<_Expr,_Expr,_Dom1,_Dom2> _Closure; \ - return _Expr<_Closure,_Tp> \ - (_Closure (__e1 (), __e2 (), (_Tp(*)(_Tp, _Tp))(&_Name))); \ -} \ - \ -template<class _Dom> \ -inline _Expr<_BinFunClos<_Expr,_ValArray,_Dom,typename _Dom::value_type>, \ - typename _Dom::value_type> \ -_Name (const _Expr<_Dom,typename _Dom::value_type>& __e, \ - const valarray<typename _Dom::value_type>& __v) \ -{ \ - typedef typename _Dom::value_type _Tp; \ - typedef _BinFunClos<_Expr,_ValArray,_Dom,_Tp> _Closure; \ - return _Expr<_Closure,_Tp> \ - (_Closure (__e (), __v, (_Tp(*)(_Tp, _Tp))(&_Name))); \ -} \ - \ -template<class _Dom> \ -inline _Expr<_BinFunClos<_ValArray,_Expr,typename _Dom::value_type,_Dom>, \ - typename _Dom::value_type> \ -_Name (const valarray<typename _Dom::valarray>& __v, \ - const _Expr<_Dom,typename _Dom::value_type>& __e) \ -{ \ - typedef typename _Dom::value_type _Tp; \ - typedef _BinFunClos<_ValArray,_Expr,_Tp,_Dom> _Closure; \ - return _Expr<_Closure,_Tp> \ - (_Closure (__v, __e (), (_Tp(*)(_Tp, _Tp))(&_Name))); \ -} \ - \ -template<class _Dom> \ -inline _Expr<_BinFunClos<_Expr,_Constant,_Dom,typename _Dom::value_type>, \ - typename _Dom::value_type> \ -_Name (const _Expr<_Dom, typename _Dom::value_type>& __e, \ - const typename _Dom::value_type& __t) \ -{ \ - typedef typename _Dom::value_type _Tp; \ - typedef _BinFunClos<_Expr,_Constant,_Dom,_Tp> _Closure; \ - return _Expr<_Closure,_Tp> \ - (_Closure (__e (), __t, (_Tp(*)(_Tp, _Tp))(&_Name))); \ -} \ - \ -template<class _Dom> \ -inline _Expr<_BinFunClos<_Constant,_Expr,typename _Dom::value_type,_Dom>, \ - typename _Dom::value_type> \ -_Name (const typename _Dom::value_type& __t, \ - const _Expr<_Dom,typename _Dom::value_type>& __e) \ -{ \ - typedef typename _Dom::value_type _Tp; \ - typedef _BinFunClos<_Constant,_Expr,_Tp,_Dom> _Closure; \ - return _Expr<_Closure,_Tp> \ - (_Closure (__t, __e (), (_Tp(*)(_Tp, _Tp))(&_Name))); \ -} \ - \ -template<typename _Tp> \ -inline _Expr<_BinFunClos<_ValArray,_ValArray,_Tp,_Tp>, _Tp> \ -_Name (const valarray<_Tp>& __v, const valarray<_Tp>& __w) \ -{ \ - typedef _BinFunClos<_ValArray,_ValArray,_Tp,_Tp> _Closure; \ - return _Expr<_Closure,_Tp> \ - (_Closure (__v, __w, (_Tp(*)(_Tp,_Tp))(&_Name))); \ -} \ - \ -template<typename _Tp> \ -inline _Expr<_BinFunClos<_ValArray,_Constant,_Tp,_Tp>,_Tp> \ -_Name (const valarray<_Tp>& __v, const _Tp& __t) \ -{ \ - typedef _BinFunClos<_ValArray,_Constant,_Tp,_Tp> _Closure; \ - return _Expr<_Closure,_Tp> \ - (_Closure (__v, __t, (_Tp(*)(_Tp,_Tp))(&_Name))); \ -} \ - \ -template<typename _Tp> \ -inline _Expr<_BinFunClos<_Constant,_ValArray,_Tp,_Tp>,_Tp> \ -_Name (const _Tp& __t, const valarray<_Tp>& __v) \ -{ \ - typedef _BinFunClos<_Constant,_ValArray,_Tp,_Tp> _Closure; \ - return _Expr<_Closure,_Tp> \ - (_Closure (__t, __v, (_Tp(*)(_Tp,_Tp))(&_Name))); \ -} - -_DEFINE_EXPR_BINARY_FUNCTION(atan2) -_DEFINE_EXPR_BINARY_FUNCTION(pow) - -#undef _DEFINE_EXPR_BINARY_FUNCTION - -#endif // _CPP_VALARRAY_META_H - -// Local Variables: -// mode:c++ -// End: |
