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Diffstat (limited to 'contrib/libstdc++/include/bits/valarray_meta.h')
| -rw-r--r-- | contrib/libstdc++/include/bits/valarray_meta.h | 1147 |
1 files changed, 0 insertions, 1147 deletions
diff --git a/contrib/libstdc++/include/bits/valarray_meta.h b/contrib/libstdc++/include/bits/valarray_meta.h deleted file mode 100644 index 29a2dac..0000000 --- a/contrib/libstdc++/include/bits/valarray_meta.h +++ /dev/null @@ -1,1147 +0,0 @@ -// The template and inlines for the -*- C++ -*- internal _Meta class. - -// Copyright (C) 1997, 1998, 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@cmla.ens-cachan.fr> - -/** @file valarray_meta.h - * This is an internal header file, included by other library headers. - * You should not attempt to use it directly. - */ - -#ifndef _CPP_VALARRAY_META_H -#define _CPP_VALARRAY_META_H 1 - -#pragma GCC system_header - -namespace std -{ - // - // 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; - - // Implementations of unary functions applied to valarray<>s. - // I use hard-coded object functions here instead of a generic - // approach like pointers to function: - // 1) correctness: some functions take references, others values. - // we can't deduce the correct type afterwards. - // 2) efficiency -- object functions can be easily inlined - // 3) be Koenig-lookup-friendly - - struct __abs - { - template<typename _Tp> - _Tp operator()(const _Tp& __t) const { return abs(__t); } - }; - - struct __cos - { - template<typename _Tp> - _Tp operator()(const _Tp& __t) const { return cos(__t); } - }; - - struct __acos - { - template<typename _Tp> - _Tp operator()(const _Tp& __t) const { return acos(__t); } - }; - - struct __cosh - { - template<typename _Tp> - _Tp operator()(const _Tp& __t) const { return cosh(__t); } - }; - - struct __sin - { - template<typename _Tp> - _Tp operator()(const _Tp& __t) const { return sin(__t); } - }; - - struct __asin - { - template<typename _Tp> - _Tp operator()(const _Tp& __t) const { return asin(__t); } - }; - - struct __sinh - { - template<typename _Tp> - _Tp operator()(const _Tp& __t) const { return sinh(__t); } - }; - - struct __tan - { - template<typename _Tp> - _Tp operator()(const _Tp& __t) const { return tan(__t); } - }; - - struct __atan - { - template<typename _Tp> - _Tp operator()(const _Tp& __t) const { return atan(__t); } - }; - - struct __tanh - { - template<typename _Tp> - _Tp operator()(const _Tp& __t) const { return tanh(__t); } - }; - - struct __exp - { - template<typename _Tp> - _Tp operator()(const _Tp& __t) const { return exp(__t); } - }; - - struct __log - { - template<typename _Tp> - _Tp operator()(const _Tp& __t) const { return log(__t); } - }; - - struct __log10 - { - template<typename _Tp> - _Tp operator()(const _Tp& __t) const { return log10(__t); } - }; - - struct __sqrt - { - template<typename _Tp> - _Tp operator()(const _Tp& __t) const { return sqrt(__t); } - }; - - // In the past, we used to tailor operator applications semantics - // to the specialization of standard function objects (i.e. plus<>, etc.) - // That is incorrect. Therefore we provide our own surrogates. - - struct __unary_plus - { - template<typename _Tp> - _Tp operator()(const _Tp& __t) const { return +__t; } - }; - - struct __negate - { - template<typename _Tp> - _Tp operator()(const _Tp& __t) const { return -__t; } - }; - - struct __bitwise_not - { - template<typename _Tp> - _Tp operator()(const _Tp& __t) const { return ~__t; } - }; - - struct __plus - { - template<typename _Tp> - _Tp operator()(const _Tp& __x, const _Tp& __y) const - { return __x + __y; } - }; - - struct __minus - { - template<typename _Tp> - _Tp operator()(const _Tp& __x, const _Tp& __y) const - { return __x - __y; } - }; - - struct __multiplies - { - template<typename _Tp> - _Tp operator()(const _Tp& __x, const _Tp& __y) const - { return __x * __y; } - }; - - struct __divides - { - template<typename _Tp> - _Tp operator()(const _Tp& __x, const _Tp& __y) const - { return __x / __y; } - }; - - struct __modulus - { - template<typename _Tp> - _Tp operator()(const _Tp& __x, const _Tp& __y) const - { return __x % __y; } - }; - - struct __bitwise_xor - { - template<typename _Tp> - _Tp operator()(const _Tp& __x, const _Tp& __y) const - { return __x ^ __y; } - }; - - struct __bitwise_and - { - template<typename _Tp> - _Tp operator()(const _Tp& __x, const _Tp& __y) const - { return __x & __y; } - }; - - struct __bitwise_or - { - template<typename _Tp> - _Tp operator()(const _Tp& __x, const _Tp& __y) const - { return __x | __y; } - }; - - struct __shift_left - { - template<typename _Tp> - _Tp operator()(const _Tp& __x, const _Tp& __y) const - { return __x << __y; } - }; - - struct __shift_right - { - template<typename _Tp> - _Tp operator()(const _Tp& __x, const _Tp& __y) const - { return __x >> __y; } - }; - - struct __logical_and - { - template<typename _Tp> - bool operator()(const _Tp& __x, const _Tp& __y) const - { return __x && __y; } - }; - - struct __logical_or - { - template<typename _Tp> - bool operator()(const _Tp& __x, const _Tp& __y) const - { return __x || __y; } - }; - - struct __logical_not - { - template<typename _Tp> - bool operator()(const _Tp& __x) const { return !__x; } - }; - - struct __equal_to - { - template<typename _Tp> - bool operator()(const _Tp& __x, const _Tp& __y) const - { return __x == __y; } - }; - - struct __not_equal_to - { - template<typename _Tp> - bool operator()(const _Tp& __x, const _Tp& __y) const - { return __x != __y; } - }; - - struct __less - { - template<typename _Tp> - bool operator()(const _Tp& __x, const _Tp& __y) const - { return __x < __y; } - }; - - struct __greater - { - template<typename _Tp> - bool operator()(const _Tp& __x, const _Tp& __y) const - { return __x > __y; } - }; - - struct __less_equal - { - template<typename _Tp> - bool operator()(const _Tp& __x, const _Tp& __y) const - { return __x <= __y; } - }; - - struct __greater_equal - { - template<typename _Tp> - bool operator()(const _Tp& __x, const _Tp& __y) const - { return __x >= __y; } - }; - - // The few binary functions we miss. - struct __atan2 - { - template<typename _Tp> - _Tp operator()(const _Tp& __x, const _Tp& __y) const - { return atan2(__x, __y); } - }; - - struct __pow - { - template<typename _Tp> - _Tp operator()(const _Tp& __x, const _Tp& __y) const - { return pow(__x, __y); } - }; - - - // We need these bits in order to recover the return type of - // some functions/operators now that we're no longer using - // function templates. - template<typename, typename _Tp> - struct __fun - { - typedef _Tp result_type; - }; - - // several specializations for relational operators. - template<typename _Tp> - struct __fun<__logical_not, _Tp> - { - typedef bool result_type; - }; - - template<typename _Tp> - struct __fun<__logical_and, _Tp> - { - typedef bool result_type; - }; - - template<typename _Tp> - struct __fun<__logical_or, _Tp> - { - typedef bool result_type; - }; - - template<typename _Tp> - struct __fun<__less, _Tp> - { - typedef bool result_type; - }; - - template<typename _Tp> - struct __fun<__greater, _Tp> - { - typedef bool result_type; - }; - - template<typename _Tp> - struct __fun<__less_equal, _Tp> - { - typedef bool result_type; - }; - - template<typename _Tp> - struct __fun<__greater_equal, _Tp> - { - typedef bool result_type; - }; - - template<typename _Tp> - struct __fun<__equal_to, _Tp> - { - typedef bool result_type; - }; - - template<typename _Tp> - struct __fun<__not_equal_to, _Tp> - { - typedef bool result_type; - }; - - // - // 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<class _Oper, class _Arg> - class _UnBase - { - public: - typedef typename _Arg::value_type _Vt; - typedef typename __fun<_Oper, _Vt>::result_type value_type; - - _UnBase(const _Arg& __e) : _M_expr(__e) {} - - value_type operator[](size_t __i) const - { return _Oper()(_M_expr[__i]); } - - size_t size() const { return _M_expr.size(); } - - private: - const _Arg& _M_expr; - }; - - template<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<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<class _Oper, class _FirstArg, class _SecondArg> - class _BinBase - { - public: - typedef typename _FirstArg::value_type _Vt; - typedef typename __fun<_Oper, _Vt>::result_type value_type; - - _BinBase(const _FirstArg& __e1, const _SecondArg& __e2) - : _M_expr1(__e1), _M_expr2(__e2) {} - - value_type operator[](size_t __i) const - { return _Oper()(_M_expr1[__i], _M_expr2[__i]); } - - size_t size() const { return _M_expr1.size(); } - - private: - const _FirstArg& _M_expr1; - const _SecondArg& _M_expr2; - }; - - - template<class _Oper, class _Clos> - class _BinBase2 - { - public: - typedef typename _Clos::value_type _Vt; - typedef typename __fun<_Oper, _Vt>::result_type value_type; - - _BinBase2(const _Clos& __e, const _Vt& __t) - : _M_expr1(__e), _M_expr2(__t) {} - - value_type operator[](size_t __i) const - { return _Oper()(_M_expr1[__i], _M_expr2); } - - size_t size() const { return _M_expr1.size(); } - - private: - const _Clos& _M_expr1; - const _Vt& _M_expr2; - }; - - template<class _Oper, class _Clos> - class _BinBase1 - { - public: - typedef typename _Clos::value_type _Vt; - typedef typename __fun<_Oper, _Vt>::result_type value_type; - - _BinBase1(const _Vt& __t, const _Clos& __e) - : _M_expr1(__t), _M_expr2(__e) {} - - value_type operator[](size_t __i) const - { return _Oper()(_M_expr1, _M_expr2[__i]); } - - size_t size() const { return _M_expr2.size(); } - - private: - const _Vt& _M_expr1; - const _Clos& _M_expr2; - }; - - template<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<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<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<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<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<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<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<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,std::_Expr,_Clos>, value_type> - operator+() const; - - _Expr<_UnClos<__negate,std::_Expr,_Clos>, value_type> - operator-() const; - - _Expr<_UnClos<__bitwise_not,std::_Expr,_Clos>, value_type> - operator~() const; - - _Expr<_UnClos<__logical_not,std::_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; - - value_type min() const; - value_type max() const; - - valarray<value_type> apply(value_type (*)(const value_type&)) const; - valarray<value_type> apply(value_type (*)(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 (); } - - template<class _Clos, typename _Tp> - inline valarray<_Tp> - _Expr<_Clos, _Tp>::shift(int __n) const - { return valarray<_Tp>(_M_closure).shift(__n); } - - template<class _Clos, typename _Tp> - inline valarray<_Tp> - _Expr<_Clos, _Tp>::cshift(int __n) const - { return valarray<_Tp>(_M_closure).cshift(__n); } - - template<class _Clos, typename _Tp> - inline valarray<_Tp> - _Expr<_Clos, _Tp>::apply(_Tp __f(const _Tp&)) const - { return valarray<_Tp>(_M_closure).apply(__f); } - - template<class _Clos, typename _Tp> - inline valarray<_Tp> - _Expr<_Clos, _Tp>::apply(_Tp __f(_Tp)) const - { return valarray<_Tp>(_M_closure).apply(__f); } - - // XXX: replace this with a more robust summation algorithm. - template<class _Clos, typename _Tp> - inline _Tp - _Expr<_Clos,_Tp>::sum() const - { - size_t __n = _M_closure.size(); - if (__n == 0) - return _Tp(); - else - { - _Tp __s = _M_closure[--__n]; - while (__n != 0) - __s += _M_closure[--__n]; - return __s; - } - } - - template<class _Clos, typename _Tp> - inline _Tp - _Expr<_Clos, _Tp>::min() const - { return __valarray_min(_M_closure); } - - template<class _Clos, typename _Tp> - inline _Tp - _Expr<_Clos, _Tp>::max() const - { return __valarray_max(_M_closure); } - - template<class _Dom, typename _Tp> - inline _Expr<_UnClos<__logical_not,_Expr,_Dom>, bool> - _Expr<_Dom,_Tp>::operator!() const - { - typedef _UnClos<__logical_not,std::_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,std::_Expr,_Dom>,_Tp> \ - _Expr<_Dom,_Tp>::operator _Op() const \ - { \ - typedef _UnClos<_Name,std::_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 __fun<_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 __fun<_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 __fun<_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 __fun<_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 __fun<_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 __fun<_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 __fun<_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 __fun<_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 __fun<_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 __fun<_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) - _DEFINE_EXPR_BINARY_OPERATOR(&&, __logical_and) - _DEFINE_EXPR_BINARY_OPERATOR(||, __logical_or) - _DEFINE_EXPR_BINARY_OPERATOR(==, __equal_to) - _DEFINE_EXPR_BINARY_OPERATOR(!=, __not_equal_to) - _DEFINE_EXPR_BINARY_OPERATOR(<, __less) - _DEFINE_EXPR_BINARY_OPERATOR(>, __greater) - _DEFINE_EXPR_BINARY_OPERATOR(<=, __less_equal) - _DEFINE_EXPR_BINARY_OPERATOR(>=, __greater_equal) - -#undef _DEFINE_EXPR_BINARY_OPERATOR - -#define _DEFINE_EXPR_UNARY_FUNCTION(_Name) \ - template<class _Dom> \ - inline _Expr<_UnClos<__##_Name,_Expr,_Dom>,typename _Dom::value_type>\ - _Name(const _Expr<_Dom,typename _Dom::value_type>& __e) \ - { \ - typedef typename _Dom::value_type _Tp; \ - typedef _UnClos<__##_Name,_Expr,_Dom> _Closure; \ - return _Expr<_Closure,_Tp>(_Closure(__e())); \ - } \ - \ - template<typename _Tp> \ - inline _Expr<_UnClos<__##_Name,_ValArray,_Tp>,_Tp> \ - _Name(const valarray<_Tp>& __v) \ - { \ - typedef _UnClos<__##_Name,_ValArray,_Tp> _Closure; \ - return _Expr<_Closure,_Tp>(_Closure(__v)); \ - } - - _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(_Fun) \ - template<class _Dom1, class _Dom2> \ - inline _Expr<_BinClos<__##_Fun,_Expr,_Expr,_Dom1,_Dom2>, \ - typename _Dom1::value_type> \ - _Fun(const _Expr<_Dom1,typename _Dom1::value_type>& __e1, \ - const _Expr<_Dom2,typename _Dom2::value_type>& __e2) \ - { \ - typedef typename _Dom1::value_type _Tp; \ - typedef _BinClos<__##_Fun,_Expr,_Expr,_Dom1,_Dom2> _Closure; \ - return _Expr<_Closure,_Tp>(_Closure(__e1(), __e2())); \ - } \ - \ - template<class _Dom> \ - inline _Expr<_BinClos<__##_Fun, _Expr, _ValArray, _Dom, \ - typename _Dom::value_type>, \ - typename _Dom::value_type> \ - _Fun(const _Expr<_Dom,typename _Dom::value_type>& __e, \ - const valarray<typename _Dom::value_type>& __v) \ - { \ - typedef typename _Dom::value_type _Tp; \ - typedef _BinClos<__##_Fun, _Expr, _ValArray, _Dom, _Tp> _Closure;\ - return _Expr<_Closure,_Tp>(_Closure(__e(), __v)); \ - } \ - \ - template<class _Dom> \ - inline _Expr<_BinClos<__##_Fun, _ValArray, _Expr, \ - typename _Dom::value_type,_Dom>, \ - typename _Dom::value_type> \ - _Fun(const valarray<typename _Dom::valarray>& __v, \ - const _Expr<_Dom,typename _Dom::value_type>& __e) \ - { \ - typedef typename _Dom::value_type _Tp; \ - typedef _BinClos<__##_Fun,_ValArray,_Expr,_Tp,_Dom> _Closure; \ - return _Expr<_Closure,_Tp>(_Closure(__v, __e())); \ - } \ - \ - template<class _Dom> \ - inline _Expr<_BinClos<__##_Fun,_Expr,_Constant,_Dom, \ - typename _Dom::value_type>, \ - typename _Dom::value_type> \ - _Fun(const _Expr<_Dom, typename _Dom::value_type>& __e, \ - const typename _Dom::value_type& __t) \ - { \ - typedef typename _Dom::value_type _Tp; \ - typedef _BinClos<__##_Fun,_Expr,_Constant,_Dom,_Tp> _Closure; \ - return _Expr<_Closure,_Tp>(_Closure(__e(), __t)); \ - } \ - \ - template<class _Dom> \ - inline _Expr<_BinClos<__##_Fun,_Constant,_Expr, \ - typename _Dom::value_type,_Dom>, \ - typename _Dom::value_type> \ - _Fun(const typename _Dom::value_type& __t, \ - const _Expr<_Dom,typename _Dom::value_type>& __e) \ - { \ - typedef typename _Dom::value_type _Tp; \ - typedef _BinClos<__##_Fun, _Constant,_Expr,_Tp,_Dom> _Closure; \ - return _Expr<_Closure,_Tp>(_Closure(__t, __e())); \ - } \ - \ - template<typename _Tp> \ - inline _Expr<_BinClos<__##_Fun,_ValArray,_ValArray,_Tp,_Tp>, _Tp> \ - _Fun(const valarray<_Tp>& __v, const valarray<_Tp>& __w) \ - { \ - typedef _BinClos<__##_Fun,_ValArray,_ValArray,_Tp,_Tp> _Closure; \ - return _Expr<_Closure,_Tp>(_Closure(__v, __w)); \ - } \ - \ - template<typename _Tp> \ - inline _Expr<_BinClos<__##_Fun,_ValArray,_Constant,_Tp,_Tp>,_Tp> \ - _Fun(const valarray<_Tp>& __v, const _Tp& __t) \ - { \ - typedef _BinClos<__##_Fun,_ValArray,_Constant,_Tp,_Tp> _Closure; \ - return _Expr<_Closure,_Tp>(_Closure(__v, __t)); \ - } \ - \ - template<typename _Tp> \ - inline _Expr<_BinClos<__##_Fun,_Constant,_ValArray,_Tp,_Tp>,_Tp> \ - _Fun(const _Tp& __t, const valarray<_Tp>& __v) \ - { \ - typedef _BinClos<__##_Fun,_Constant,_ValArray,_Tp,_Tp> _Closure; \ - return _Expr<_Closure,_Tp>(_Closure(__t, __v)); \ - } - -_DEFINE_EXPR_BINARY_FUNCTION(atan2) -_DEFINE_EXPR_BINARY_FUNCTION(pow) - -#undef _DEFINE_EXPR_BINARY_FUNCTION - -} // std:: - - -#endif /* _CPP_VALARRAY_META_H */ - -// Local Variables: -// mode:c++ -// End: |
