+++ /dev/null
-/*
- *
- * Copyright (c) 1994
- * Hewlett-Packard Company
- *
- * Copyright (c) 1996-1998
- * Silicon Graphics Computer Systems, Inc.
- *
- * Copyright (c) 1997
- * Moscow Center for SPARC Technology
- *
- * Copyright (c) 1999
- * Boris Fomitchev
- *
- * This material is provided "as is", with absolutely no warranty expressed
- * or implied. Any use is at your own risk.
- *
- * Permission to use or copy this software for any purpose is hereby granted
- * without fee, provided the above notices are retained on all copies.
- * Permission to modify the code and to distribute modified code is granted,
- * provided the above notices are retained, and a notice that the code was
- * modified is included with the above copyright notice.
- *
- */
-
-/* NOTE: This is an internal header file, included by other STL headers.
- * You should not attempt to use it directly.
- */
-
-#ifndef _STLP_INTERNAL_FUNCTION_H
-#define _STLP_INTERNAL_FUNCTION_H
-
-#ifndef _STLP_TYPE_TRAITS_H
-# include <stl/type_traits.h>
-#endif
-
-#ifndef _STLP_INTERNAL_FUNCTION_BASE_H
-# include <stl/_function_base.h>
-#endif
-
-_STLP_BEGIN_NAMESPACE
-
-template <class _Tp>
-struct not_equal_to : public binary_function<_Tp, _Tp, bool> {
- bool operator()(const _Tp& __x, const _Tp& __y) const { return __x != __y; }
-};
-
-template <class _Tp>
-struct greater : public binary_function<_Tp, _Tp, bool> {
- bool operator()(const _Tp& __x, const _Tp& __y) const { return __x > __y; }
-};
-
-template <class _Tp>
-struct greater_equal : public binary_function<_Tp, _Tp, bool> {
- bool operator()(const _Tp& __x, const _Tp& __y) const { return __x >= __y; }
-};
-
-template <class _Tp>
-struct less_equal : public binary_function<_Tp, _Tp, bool> {
- bool operator()(const _Tp& __x, const _Tp& __y) const { return __x <= __y; }
-};
-
-template <class _Tp>
-struct divides : public binary_function<_Tp, _Tp, _Tp> {
- _Tp operator()(const _Tp& __x, const _Tp& __y) const { return __x / __y; }
-};
-
-template <class _Tp>
-struct modulus : public binary_function<_Tp, _Tp, _Tp> {
- _Tp operator()(const _Tp& __x, const _Tp& __y) const { return __x % __y; }
-};
-
-template <class _Tp>
-struct negate : public unary_function<_Tp, _Tp> {
- _Tp operator()(const _Tp& __x) const { return -__x; }
-};
-
-template <class _Tp>
-struct logical_and : public binary_function<_Tp, _Tp, bool> {
- bool operator()(const _Tp& __x, const _Tp& __y) const { return __x && __y; }
-};
-
-template <class _Tp>
-struct logical_or : public binary_function<_Tp, _Tp,bool> {
- bool operator()(const _Tp& __x, const _Tp& __y) const { return __x || __y; }
-};
-
-template <class _Tp>
-struct logical_not : public unary_function<_Tp, bool> {
- bool operator()(const _Tp& __x) const { return !__x; }
-};
-
-#if !defined (_STLP_NO_EXTENSIONS)
-// identity_element (not part of the C++ standard).
-template <class _Tp> inline _Tp identity_element(plus<_Tp>) { return _Tp(0); }
-template <class _Tp> inline _Tp identity_element(multiplies<_Tp>) { return _Tp(1); }
-#endif
-
-#if defined (_STLP_BASE_TYPEDEF_BUG)
-// this workaround is needed for SunPro 4.0.1
-// suggested by "Martin Abernethy" <gma@paston.co.uk>:
-
-// We have to introduce the XXary_predicate_aux structures in order to
-// access the argument and return types of predicate functions supplied
-// as type parameters. SUN C++ 4.0.1 compiler gives errors for template type parameters
-// of the form 'name1::name2', where name1 is itself a type parameter.
-template <class _Pair>
-struct __pair_aux : private _Pair {
- typedef typename _Pair::first_type first_type;
- typedef typename _Pair::second_type second_type;
-};
-
-template <class _Operation>
-struct __unary_fun_aux : private _Operation {
- typedef typename _Operation::argument_type argument_type;
- typedef typename _Operation::result_type result_type;
-};
-
-template <class _Operation>
-struct __binary_fun_aux : private _Operation {
- typedef typename _Operation::first_argument_type first_argument_type;
- typedef typename _Operation::second_argument_type second_argument_type;
- typedef typename _Operation::result_type result_type;
-};
-
-# define __UNARY_ARG(__Operation,__type) __unary_fun_aux<__Operation>::__type
-# define __BINARY_ARG(__Operation,__type) __binary_fun_aux<__Operation>::__type
-# define __PAIR_ARG(__Pair,__type) __pair_aux<__Pair>::__type
-#else
-# define __UNARY_ARG(__Operation,__type) __Operation::__type
-# define __BINARY_ARG(__Operation,__type) __Operation::__type
-# define __PAIR_ARG(__Pair,__type) __Pair::__type
-#endif
-
-template <class _Predicate>
-class unary_negate
- : public unary_function<typename __UNARY_ARG(_Predicate, argument_type), bool> {
- typedef unary_function<typename __UNARY_ARG(_Predicate, argument_type), bool> _Base;
-public:
- typedef typename _Base::argument_type argument_type;
-private:
- typedef typename __call_traits<argument_type>::const_param_type _ArgParamType;
-protected:
- _Predicate _M_pred;
-public:
- explicit unary_negate(const _Predicate& __x) : _M_pred(__x) {}
- bool operator()(_ArgParamType __x) const {
- return !_M_pred(__x);
- }
-};
-
-template <class _Predicate>
-inline unary_negate<_Predicate>
-not1(const _Predicate& __pred) {
- return unary_negate<_Predicate>(__pred);
-}
-
-template <class _Predicate>
-class binary_negate
- : public binary_function<typename __BINARY_ARG(_Predicate, first_argument_type),
- typename __BINARY_ARG(_Predicate, second_argument_type),
- bool> {
- typedef binary_function<typename __BINARY_ARG(_Predicate, first_argument_type),
- typename __BINARY_ARG(_Predicate, second_argument_type),
- bool> _Base;
-public:
- typedef typename _Base::first_argument_type first_argument_type;
- typedef typename _Base::second_argument_type second_argument_type;
-private:
- typedef typename __call_traits<first_argument_type>::const_param_type _FstArgParamType;
- typedef typename __call_traits<second_argument_type>::const_param_type _SndArgParamType;
-protected:
- _Predicate _M_pred;
-public:
- explicit binary_negate(const _Predicate& __x) : _M_pred(__x) {}
- bool operator()(_FstArgParamType __x, _SndArgParamType __y) const {
- return !_M_pred(__x, __y);
- }
-};
-
-template <class _Predicate>
-inline binary_negate<_Predicate>
-not2(const _Predicate& __pred) {
- return binary_negate<_Predicate>(__pred);
-}
-
-template <class _Operation>
-class binder1st :
- public unary_function<typename __BINARY_ARG(_Operation, second_argument_type),
- typename __BINARY_ARG(_Operation, result_type) > {
- typedef unary_function<typename __BINARY_ARG(_Operation, second_argument_type),
- typename __BINARY_ARG(_Operation, result_type) > _Base;
-public:
- typedef typename _Base::argument_type argument_type;
- typedef typename _Base::result_type result_type;
-private:
- typedef typename __call_traits<argument_type>::param_type _ArgParamType;
- typedef typename __call_traits<argument_type>::const_param_type _ConstArgParamType;
- typedef typename __call_traits<typename _Operation::first_argument_type>::const_param_type _ValueParamType;
-protected:
- //op is a Standard name (20.3.6.1), do no make it STLport naming convention compliant.
- _Operation op;
- typename _Operation::first_argument_type _M_value;
-public:
- binder1st(const _Operation& __x, _ValueParamType __y)
- : op(__x), _M_value(__y) {}
-
- result_type operator()(_ConstArgParamType __x) const
- { return op(_M_value, __x); }
- // DR 109 Missing binders for non-const sequence elements
- result_type operator()(_ArgParamType __x) const
- { return op(_M_value, __x); }
-};
-
-template <class _Operation, class _Tp>
-inline binder1st<_Operation>
-bind1st(const _Operation& __fn, const _Tp& __x) {
- typedef typename _Operation::first_argument_type _Arg1_type;
- return binder1st<_Operation>(__fn, _Arg1_type(__x));
-}
-
-template <class _Operation>
-class binder2nd
- : public unary_function<typename __BINARY_ARG(_Operation, first_argument_type),
- typename __BINARY_ARG(_Operation, result_type)> {
- typedef unary_function<typename __BINARY_ARG(_Operation, first_argument_type),
- typename __BINARY_ARG(_Operation, result_type)> _Base;
-public:
- typedef typename _Base::argument_type argument_type;
- typedef typename _Base::result_type result_type;
-private:
- typedef typename __call_traits<argument_type>::param_type _ArgParamType;
- typedef typename __call_traits<argument_type>::const_param_type _ConstArgParamType;
- typedef typename __call_traits<typename _Operation::second_argument_type>::const_param_type _ValueParamType;
-protected:
- //op is a Standard name (20.3.6.3), do no make it STLport naming convention compliant.
- _Operation op;
- typename _Operation::second_argument_type value;
-public:
- binder2nd(const _Operation& __x, _ValueParamType __y)
- : op(__x), value(__y) {}
-
- result_type operator()(_ConstArgParamType __x) const
- { return op(__x, value); }
- // DR 109 Missing binders for non-const sequence elements
- result_type operator()(_ArgParamType __x) const
- { return op(__x, value); }
-};
-
-template <class _Operation, class _Tp>
-inline binder2nd<_Operation>
-bind2nd(const _Operation& __fn, const _Tp& __x) {
- typedef typename _Operation::second_argument_type _Arg2_type;
- return binder2nd<_Operation>(__fn, _Arg2_type(__x));
-}
-
-#if !defined (_STLP_NO_EXTENSIONS)
-// unary_compose and binary_compose (extensions, not part of the standard).
-
-template <class _Operation1, class _Operation2>
-class unary_compose :
- public unary_function<typename __UNARY_ARG(_Operation2, argument_type),
- typename __UNARY_ARG(_Operation1, result_type)> {
- typedef unary_function<typename __UNARY_ARG(_Operation2, argument_type),
- typename __UNARY_ARG(_Operation1, result_type)> _Base;
-public:
- typedef typename _Base::argument_type argument_type;
- typedef typename _Base::result_type result_type;
-private:
- typedef typename __call_traits<argument_type>::const_param_type _ArgParamType;
-protected:
- _Operation1 _M_fn1;
- _Operation2 _M_fn2;
-public:
- unary_compose(const _Operation1& __x, const _Operation2& __y)
- : _M_fn1(__x), _M_fn2(__y) {}
-
- result_type operator()(_ArgParamType __x) const {
- return _M_fn1(_M_fn2(__x));
- }
-};
-
-template <class _Operation1, class _Operation2>
-inline unary_compose<_Operation1,_Operation2>
-compose1(const _Operation1& __fn1, const _Operation2& __fn2) {
- return unary_compose<_Operation1,_Operation2>(__fn1, __fn2);
-}
-
-template <class _Operation1, class _Operation2, class _Operation3>
-class binary_compose :
- public unary_function<typename __UNARY_ARG(_Operation2, argument_type),
- typename __BINARY_ARG(_Operation1, result_type)> {
- typedef unary_function<typename __UNARY_ARG(_Operation2, argument_type),
- typename __BINARY_ARG(_Operation1, result_type)> _Base;
-public:
- typedef typename _Base::argument_type argument_type;
- typedef typename _Base::result_type result_type;
-private:
- typedef typename __call_traits<argument_type>::const_param_type _ArgParamType;
-protected:
- _Operation1 _M_fn1;
- _Operation2 _M_fn2;
- _Operation3 _M_fn3;
-public:
- binary_compose(const _Operation1& __x, const _Operation2& __y,
- const _Operation3& __z)
- : _M_fn1(__x), _M_fn2(__y), _M_fn3(__z) { }
-
- result_type operator()(_ArgParamType __x) const {
- return _M_fn1(_M_fn2(__x), _M_fn3(__x));
- }
-};
-
-template <class _Operation1, class _Operation2, class _Operation3>
-inline binary_compose<_Operation1, _Operation2, _Operation3>
-compose2(const _Operation1& __fn1, const _Operation2& __fn2,
- const _Operation3& __fn3) {
- return binary_compose<_Operation1,_Operation2,_Operation3>(__fn1, __fn2, __fn3);
-}
-
-// identity is an extension: it is not part of the standard.
-template <class _Tp> struct identity : public _STLP_PRIV _Identity<_Tp> {};
-// select1st and select2nd are extensions: they are not part of the standard.
-template <class _Pair> struct select1st : public _STLP_PRIV _Select1st<_Pair> {};
-template <class _Pair> struct select2nd : public _STLP_PRIV _Select2nd<_Pair> {};
-
-template <class _Arg1, class _Arg2>
-struct project1st : public _STLP_PRIV _Project1st<_Arg1, _Arg2> {};
-
-template <class _Arg1, class _Arg2>
-struct project2nd : public _STLP_PRIV _Project2nd<_Arg1, _Arg2> {};
-
-
-// constant_void_fun, constant_unary_fun, and constant_binary_fun are
-// extensions: they are not part of the standard. (The same, of course,
-// is true of the helper functions constant0, constant1, and constant2.)
-
-_STLP_MOVE_TO_PRIV_NAMESPACE
-
-template <class _Result>
-struct _Constant_void_fun {
- typedef _Result result_type;
- result_type _M_val;
-
- _Constant_void_fun(const result_type& __v) : _M_val(__v) {}
- const result_type& operator()() const { return _M_val; }
-};
-
-_STLP_MOVE_TO_STD_NAMESPACE
-
-template <class _Result>
-struct constant_void_fun : public _STLP_PRIV _Constant_void_fun<_Result> {
- constant_void_fun(const _Result& __v)
- : _STLP_PRIV _Constant_void_fun<_Result>(__v) {}
-};
-
-template <class _Result, _STLP_DFL_TMPL_PARAM( _Argument , _Result) >
-struct constant_unary_fun : public _STLP_PRIV _Constant_unary_fun<_Result, _Argument> {
- constant_unary_fun(const _Result& __v)
- : _STLP_PRIV _Constant_unary_fun<_Result, _Argument>(__v) {}
-};
-
-template <class _Result, _STLP_DFL_TMPL_PARAM( _Arg1 , _Result), _STLP_DFL_TMPL_PARAM( _Arg2 , _Arg1) >
-struct constant_binary_fun
- : public _STLP_PRIV _Constant_binary_fun<_Result, _Arg1, _Arg2> {
- constant_binary_fun(const _Result& __v)
- : _STLP_PRIV _Constant_binary_fun<_Result, _Arg1, _Arg2>(__v) {}
-};
-
-template <class _Result>
-inline constant_void_fun<_Result> constant0(const _Result& __val) {
- return constant_void_fun<_Result>(__val);
-}
-
-template <class _Result>
-inline constant_unary_fun<_Result,_Result> constant1(const _Result& __val) {
- return constant_unary_fun<_Result,_Result>(__val);
-}
-
-template <class _Result>
-inline constant_binary_fun<_Result,_Result,_Result>
-constant2(const _Result& __val) {
- return constant_binary_fun<_Result,_Result,_Result>(__val);
-}
-
-// subtractive_rng is an extension: it is not part of the standard.
-// Note: this code assumes that int is 32 bits.
-class subtractive_rng : public unary_function<_STLP_UINT32_T, _STLP_UINT32_T> {
-private:
- _STLP_UINT32_T _M_table[55];
- _STLP_UINT32_T _M_index1;
- _STLP_UINT32_T _M_index2;
-public:
- _STLP_UINT32_T operator()(_STLP_UINT32_T __limit) {
- _M_index1 = (_M_index1 + 1) % 55;
- _M_index2 = (_M_index2 + 1) % 55;
- _M_table[_M_index1] = _M_table[_M_index1] - _M_table[_M_index2];
- return _M_table[_M_index1] % __limit;
- }
-
- void _M_initialize(_STLP_UINT32_T __seed) {
- _STLP_UINT32_T __k = 1;
- _M_table[54] = __seed;
- _STLP_UINT32_T __i;
- for (__i = 0; __i < 54; __i++) {
- _STLP_UINT32_T __ii = (21 * (__i + 1) % 55) - 1;
- _M_table[__ii] = __k;
- __k = __seed - __k;
- __seed = _M_table[__ii];
- }
- for (int __loop = 0; __loop < 4; __loop++) {
- for (__i = 0; __i < 55; __i++)
- _M_table[__i] = _M_table[__i] - _M_table[(1 + __i + 30) % 55];
- }
- _M_index1 = 0;
- _M_index2 = 31;
- }
-
- subtractive_rng(unsigned int __seed) { _M_initialize(__seed); }
- subtractive_rng() { _M_initialize(161803398ul); }
-};
-
-#endif /* _STLP_NO_EXTENSIONS */
-
-_STLP_END_NAMESPACE
-
-#include <stl/_function_adaptors.h>
-
-#endif /* _STLP_INTERNAL_FUNCTION_H */
-
-// Local Variables:
-// mode:C++
-// End:
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