valarray_after.h

symbian上STL模板库的实现

    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_AFTER_H */

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