author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Fri, 11 Jun 2010 15:26:22 +0300 | |
changeset 34 | 5fae379060a7 |
parent 0 | e4d67989cc36 |
permissions | -rw-r--r-- |
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/* |
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* |
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* Copyright (c) 1994 |
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* Hewlett-Packard Company |
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* |
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* Copyright (c) 1996-1998 |
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* Silicon Graphics Computer Systems, Inc. |
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* |
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* Copyright (c) 1997 |
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* Moscow Center for SPARC Technology |
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* |
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* Copyright (c) 1999 |
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* Boris Fomitchev |
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* |
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* This material is provided "as is", with absolutely no warranty expressed |
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* or implied. Any use is at your own risk. |
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* |
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* Permission to use or copy this software for any purpose is hereby granted |
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* without fee, provided the above notices are retained on all copies. |
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* Permission to modify the code and to distribute modified code is granted, |
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* provided the above notices are retained, and a notice that the code was |
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* modified is included with the above copyright notice. |
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* |
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*/ |
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/* NOTE: This is an internal header file, included by other STL headers. |
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* You should not attempt to use it directly. |
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*/ |
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#ifndef _STLP_INTERNAL_FUNCTION_H |
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#define _STLP_INTERNAL_FUNCTION_H |
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#ifndef _STLP_TYPE_TRAITS_H |
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# include <stl/type_traits.h> |
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#endif |
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#ifndef _STLP_INTERNAL_FUNCTION_BASE_H |
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# include <stl/_function_base.h> |
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#endif |
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_STLP_BEGIN_NAMESPACE |
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template <class _Tp> |
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struct not_equal_to : public binary_function<_Tp, _Tp, bool> { |
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bool operator()(const _Tp& __x, const _Tp& __y) const { return __x != __y; } |
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}; |
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template <class _Tp> |
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struct greater : public binary_function<_Tp, _Tp, bool> { |
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bool operator()(const _Tp& __x, const _Tp& __y) const { return __x > __y; } |
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}; |
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template <class _Tp> |
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struct greater_equal : public binary_function<_Tp, _Tp, bool> { |
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bool operator()(const _Tp& __x, const _Tp& __y) const { return __x >= __y; } |
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}; |
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template <class _Tp> |
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struct less_equal : public binary_function<_Tp, _Tp, bool> { |
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bool operator()(const _Tp& __x, const _Tp& __y) const { return __x <= __y; } |
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}; |
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template <class _Tp> |
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struct divides : public binary_function<_Tp, _Tp, _Tp> { |
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_Tp operator()(const _Tp& __x, const _Tp& __y) const { return __x / __y; } |
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}; |
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template <class _Tp> |
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struct modulus : public binary_function<_Tp, _Tp, _Tp> { |
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_Tp operator()(const _Tp& __x, const _Tp& __y) const { return __x % __y; } |
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}; |
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template <class _Tp> |
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struct negate : public unary_function<_Tp, _Tp> { |
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_Tp operator()(const _Tp& __x) const { return -__x; } |
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}; |
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template <class _Tp> |
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struct logical_and : public binary_function<_Tp, _Tp, bool> { |
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bool operator()(const _Tp& __x, const _Tp& __y) const { return __x && __y; } |
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}; |
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template <class _Tp> |
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struct logical_or : public binary_function<_Tp, _Tp,bool> { |
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bool operator()(const _Tp& __x, const _Tp& __y) const { return __x || __y; } |
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}; |
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template <class _Tp> |
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struct logical_not : public unary_function<_Tp, bool> { |
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bool operator()(const _Tp& __x) const { return !__x; } |
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}; |
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#if !defined (_STLP_NO_EXTENSIONS) |
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// identity_element (not part of the C++ standard). |
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template <class _Tp> inline _Tp identity_element(plus<_Tp>) { return _Tp(0); } |
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template <class _Tp> inline _Tp identity_element(multiplies<_Tp>) { return _Tp(1); } |
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#endif |
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#if defined (_STLP_BASE_TYPEDEF_BUG) |
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// this workaround is needed for SunPro 4.0.1 |
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// suggested by "Martin Abernethy" <gma@paston.co.uk>: |
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// We have to introduce the XXary_predicate_aux structures in order to |
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// access the argument and return types of predicate functions supplied |
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// as type parameters. SUN C++ 4.0.1 compiler gives errors for template type parameters |
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// of the form 'name1::name2', where name1 is itself a type parameter. |
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template <class _Pair> |
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struct __pair_aux : private _Pair { |
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typedef typename _Pair::first_type first_type; |
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typedef typename _Pair::second_type second_type; |
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}; |
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|
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template <class _Operation> |
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struct __unary_fun_aux : private _Operation { |
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typedef typename _Operation::argument_type argument_type; |
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typedef typename _Operation::result_type result_type; |
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}; |
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|
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template <class _Operation> |
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struct __binary_fun_aux : private _Operation { |
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typedef typename _Operation::first_argument_type first_argument_type; |
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typedef typename _Operation::second_argument_type second_argument_type; |
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typedef typename _Operation::result_type result_type; |
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}; |
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|
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# define __UNARY_ARG(__Operation,__type) __unary_fun_aux<__Operation>::__type |
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# define __BINARY_ARG(__Operation,__type) __binary_fun_aux<__Operation>::__type |
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# define __PAIR_ARG(__Pair,__type) __pair_aux<__Pair>::__type |
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#else |
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# define __UNARY_ARG(__Operation,__type) __Operation::__type |
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# define __BINARY_ARG(__Operation,__type) __Operation::__type |
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# define __PAIR_ARG(__Pair,__type) __Pair::__type |
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#endif |
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134 |
|
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template <class _Predicate> |
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class unary_negate |
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: public unary_function<typename __UNARY_ARG(_Predicate, argument_type), bool> { |
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typedef unary_function<typename __UNARY_ARG(_Predicate, argument_type), bool> _Base; |
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public: |
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typedef typename _Base::argument_type argument_type; |
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private: |
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typedef typename __call_traits<argument_type>::param_type _ArgParamType; |
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protected: |
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_Predicate _M_pred; |
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public: |
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explicit unary_negate(const _Predicate& __x) : _M_pred(__x) {} |
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bool operator()(_ArgParamType __x) const { |
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return !_M_pred(__x); |
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} |
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}; |
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|
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template <class _Predicate> |
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inline unary_negate<_Predicate> |
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not1(const _Predicate& __pred) { |
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return unary_negate<_Predicate>(__pred); |
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} |
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|
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template <class _Predicate> |
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class binary_negate |
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: public binary_function<typename __BINARY_ARG(_Predicate, first_argument_type), |
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typename __BINARY_ARG(_Predicate, second_argument_type), |
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bool> { |
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typedef binary_function<typename __BINARY_ARG(_Predicate, first_argument_type), |
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typename __BINARY_ARG(_Predicate, second_argument_type), |
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bool> _Base; |
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public: |
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typedef typename _Base::first_argument_type first_argument_type; |
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typedef typename _Base::second_argument_type second_argument_type; |
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private: |
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typedef typename __call_traits<first_argument_type>::param_type _FstArgParamType; |
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typedef typename __call_traits<second_argument_type>::param_type _SndArgParamType; |
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protected: |
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_Predicate _M_pred; |
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public: |
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explicit binary_negate(const _Predicate& __x) : _M_pred(__x) {} |
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bool operator()(_FstArgParamType __x, _SndArgParamType __y) const { |
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return !_M_pred(__x, __y); |
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} |
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}; |
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|
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template <class _Predicate> |
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inline binary_negate<_Predicate> |
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not2(const _Predicate& __pred) { |
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return binary_negate<_Predicate>(__pred); |
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} |
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|
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template <class _Operation> |
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class binder1st : |
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public unary_function<typename __BINARY_ARG(_Operation, second_argument_type), |
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typename __BINARY_ARG(_Operation, result_type) > { |
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typedef unary_function<typename __BINARY_ARG(_Operation, second_argument_type), |
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typename __BINARY_ARG(_Operation, result_type) > _Base; |
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public: |
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typedef typename _Base::argument_type argument_type; |
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typedef typename _Base::result_type result_type; |
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private: |
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typedef typename __call_traits<argument_type>::param_type _ArgParamType; |
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typedef typename __call_traits<typename _Operation::first_argument_type>::param_type _ValueParamType; |
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protected: |
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//op is a Standard name (20.3.6.1), do no make it STLport naming convention compliant. |
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_Operation op; |
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typename _Operation::first_argument_type _M_value; |
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public: |
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binder1st(const _Operation& __x, _ValueParamType __y) |
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: op(__x), _M_value(__y) {} |
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result_type operator()(_ArgParamType __x) const { |
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return op(_M_value, __x); |
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} |
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}; |
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template <class _Operation, class _Tp> |
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inline binder1st<_Operation> |
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bind1st(const _Operation& __fn, const _Tp& __x) { |
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typedef typename _Operation::first_argument_type _Arg1_type; |
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return binder1st<_Operation>(__fn, _Arg1_type(__x)); |
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} |
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template <class _Operation> |
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class binder2nd |
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: public unary_function<typename __BINARY_ARG(_Operation, first_argument_type), |
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typename __BINARY_ARG(_Operation, result_type)> { |
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typedef unary_function<typename __BINARY_ARG(_Operation, first_argument_type), |
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typename __BINARY_ARG(_Operation, result_type)> _Base; |
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public: |
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typedef typename _Base::argument_type argument_type; |
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typedef typename _Base::result_type result_type; |
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private: |
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typedef typename __call_traits<argument_type>::param_type _ArgParamType; |
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typedef typename __call_traits<typename _Operation::second_argument_type>::param_type _ValueParamType; |
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protected: |
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//op is a Standard name (20.3.6.3), do no make it STLport naming convention compliant. |
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_Operation op; |
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typename _Operation::second_argument_type value; |
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public: |
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binder2nd(const _Operation& __x, _ValueParamType __y) |
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: op(__x), value(__y) {} |
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|
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result_type operator()(_ArgParamType __x) const { |
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return op(__x, value); |
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} |
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}; |
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|
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template <class _Operation, class _Tp> |
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inline binder2nd<_Operation> |
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bind2nd(const _Operation& __fn, const _Tp& __x) { |
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typedef typename _Operation::second_argument_type _Arg2_type; |
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return binder2nd<_Operation>(__fn, _Arg2_type(__x)); |
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} |
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|
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#if !defined (_STLP_NO_EXTENSIONS) |
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// unary_compose and binary_compose (extensions, not part of the standard). |
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|
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template <class _Operation1, class _Operation2> |
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class unary_compose : |
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public unary_function<typename __UNARY_ARG(_Operation2, argument_type), |
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typename __UNARY_ARG(_Operation1, result_type)> { |
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typedef unary_function<typename __UNARY_ARG(_Operation2, argument_type), |
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typename __UNARY_ARG(_Operation1, result_type)> _Base; |
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public: |
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typedef typename _Base::argument_type argument_type; |
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typedef typename _Base::result_type result_type; |
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private: |
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typedef typename __call_traits<argument_type>::param_type _ArgParamType; |
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protected: |
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_Operation1 _M_fn1; |
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_Operation2 _M_fn2; |
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public: |
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unary_compose(const _Operation1& __x, const _Operation2& __y) |
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: _M_fn1(__x), _M_fn2(__y) {} |
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|
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result_type operator()(_ArgParamType __x) const { |
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return _M_fn1(_M_fn2(__x)); |
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} |
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}; |
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|
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template <class _Operation1, class _Operation2> |
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inline unary_compose<_Operation1,_Operation2> |
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compose1(const _Operation1& __fn1, const _Operation2& __fn2) { |
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return unary_compose<_Operation1,_Operation2>(__fn1, __fn2); |
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} |
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|
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template <class _Operation1, class _Operation2, class _Operation3> |
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class binary_compose : |
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public unary_function<typename __UNARY_ARG(_Operation2, argument_type), |
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typename __BINARY_ARG(_Operation1, result_type)> { |
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typedef unary_function<typename __UNARY_ARG(_Operation2, argument_type), |
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typename __BINARY_ARG(_Operation1, result_type)> _Base; |
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public: |
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typedef typename _Base::argument_type argument_type; |
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typedef typename _Base::result_type result_type; |
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private: |
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typedef typename __call_traits<argument_type>::param_type _ArgParamType; |
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protected: |
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_Operation1 _M_fn1; |
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_Operation2 _M_fn2; |
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_Operation3 _M_fn3; |
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public: |
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binary_compose(const _Operation1& __x, const _Operation2& __y, |
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const _Operation3& __z) |
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: _M_fn1(__x), _M_fn2(__y), _M_fn3(__z) { } |
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|
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result_type operator()(_ArgParamType __x) const { |
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return _M_fn1(_M_fn2(__x), _M_fn3(__x)); |
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} |
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}; |
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|
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template <class _Operation1, class _Operation2, class _Operation3> |
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inline binary_compose<_Operation1, _Operation2, _Operation3> |
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compose2(const _Operation1& __fn1, const _Operation2& __fn2, |
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const _Operation3& __fn3) { |
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return binary_compose<_Operation1,_Operation2,_Operation3>(__fn1, __fn2, __fn3); |
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} |
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|
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// identity is an extension: it is not part of the standard. |
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template <class _Tp> struct identity : public _STLP_PRIV _Identity<_Tp> {}; |
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// select1st and select2nd are extensions: they are not part of the standard. |
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template <class _Pair> struct select1st : public _STLP_PRIV _Select1st<_Pair> {}; |
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template <class _Pair> struct select2nd : public _STLP_PRIV _Select2nd<_Pair> {}; |
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|
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template <class _Arg1, class _Arg2> |
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struct project1st : public _STLP_PRIV _Project1st<_Arg1, _Arg2> {}; |
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|
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template <class _Arg1, class _Arg2> |
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struct project2nd : public _STLP_PRIV _Project2nd<_Arg1, _Arg2> {}; |
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|
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|
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// constant_void_fun, constant_unary_fun, and constant_binary_fun are |
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// extensions: they are not part of the standard. (The same, of course, |
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// is true of the helper functions constant0, constant1, and constant2.) |
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|
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_STLP_MOVE_TO_PRIV_NAMESPACE |
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|
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template <class _Result> |
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struct _Constant_void_fun { |
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typedef _Result result_type; |
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result_type _M_val; |
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|
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_Constant_void_fun(const result_type& __v) : _M_val(__v) {} |
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const result_type& operator()() const { return _M_val; } |
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}; |
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|
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_STLP_MOVE_TO_STD_NAMESPACE |
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|
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template <class _Result> |
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struct constant_void_fun : public _STLP_PRIV _Constant_void_fun<_Result> { |
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constant_void_fun(const _Result& __v) |
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: _STLP_PRIV _Constant_void_fun<_Result>(__v) {} |
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}; |
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|
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template <class _Result, _STLP_DFL_TMPL_PARAM( _Argument , _Result) > |
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struct constant_unary_fun : public _STLP_PRIV _Constant_unary_fun<_Result, _Argument> { |
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constant_unary_fun(const _Result& __v) |
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: _STLP_PRIV _Constant_unary_fun<_Result, _Argument>(__v) {} |
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}; |
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356 |
|
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template <class _Result, _STLP_DFL_TMPL_PARAM( _Arg1 , _Result), _STLP_DFL_TMPL_PARAM( _Arg2 , _Arg1) > |
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struct constant_binary_fun |
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: public _STLP_PRIV _Constant_binary_fun<_Result, _Arg1, _Arg2> { |
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constant_binary_fun(const _Result& __v) |
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: _STLP_PRIV _Constant_binary_fun<_Result, _Arg1, _Arg2>(__v) {} |
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}; |
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|
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template <class _Result> |
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inline constant_void_fun<_Result> constant0(const _Result& __val) { |
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return constant_void_fun<_Result>(__val); |
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} |
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|
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template <class _Result> |
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inline constant_unary_fun<_Result,_Result> constant1(const _Result& __val) { |
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return constant_unary_fun<_Result,_Result>(__val); |
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} |
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|
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template <class _Result> |
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inline constant_binary_fun<_Result,_Result,_Result> |
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constant2(const _Result& __val) { |
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return constant_binary_fun<_Result,_Result,_Result>(__val); |
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} |
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379 |
|
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// subtractive_rng is an extension: it is not part of the standard. |
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// Note: this code assumes that int is 32 bits. |
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class subtractive_rng : public unary_function<_STLP_UINT32_T, _STLP_UINT32_T> { |
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private: |
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_STLP_UINT32_T _M_table[55]; |
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_STLP_UINT32_T _M_index1; |
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_STLP_UINT32_T _M_index2; |
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public: |
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_STLP_UINT32_T operator()(_STLP_UINT32_T __limit) { |
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_M_index1 = (_M_index1 + 1) % 55; |
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_M_index2 = (_M_index2 + 1) % 55; |
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_M_table[_M_index1] = _M_table[_M_index1] - _M_table[_M_index2]; |
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return _M_table[_M_index1] % __limit; |
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} |
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394 |
|
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void _M_initialize(_STLP_UINT32_T __seed) { |
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_STLP_UINT32_T __k = 1; |
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_M_table[54] = __seed; |
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_STLP_UINT32_T __i; |
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for (__i = 0; __i < 54; __i++) { |
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_STLP_UINT32_T __ii = (21 * (__i + 1) % 55) - 1; |
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_M_table[__ii] = __k; |
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__k = __seed - __k; |
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__seed = _M_table[__ii]; |
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} |
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for (int __loop = 0; __loop < 4; __loop++) { |
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for (__i = 0; __i < 55; __i++) |
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_M_table[__i] = _M_table[__i] - _M_table[(1 + __i + 30) % 55]; |
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} |
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_M_index1 = 0; |
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_M_index2 = 31; |
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} |
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|
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subtractive_rng(unsigned int __seed) { _M_initialize(__seed); } |
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subtractive_rng() { _M_initialize(161803398ul); } |
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}; |
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|
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#endif /* _STLP_NO_EXTENSIONS */ |
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|
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_STLP_END_NAMESPACE |
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|
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#include <stl/_function_adaptors.h> |
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|
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#endif /* _STLP_INTERNAL_FUNCTION_H */ |
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|
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// Local Variables: |
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// mode:C++ |
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// End: |