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124 lines
4.0 KiB
124 lines
4.0 KiB
// xutility internal header
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#ifndef _XUTILITY_
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#define _XUTILITY_
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#include <utility>
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#ifdef _MSC_VER
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#pragma pack(push,8)
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#endif /* _MSC_VER */
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_STD_BEGIN
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// TEMPLATE FUNCTION copy
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template<class _II, class _OI> inline
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_OI copy(_II _F, _II _L, _OI _X)
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{for (; _F != _L; ++_X, ++_F)
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*_X = *_F;
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return (_X); }
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// TEMPLATE FUNCTION copy_backward
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template<class _BI1, class _BI2> inline
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_BI2 copy_backward(_BI1 _F, _BI1 _L, _BI2 _X)
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{while (_F != _L)
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*--_X = *--_L;
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return (_X); }
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// TEMPLATE FUNCTION equal
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template<class _II1, class _II2> inline
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bool equal(_II1 _F, _II1 _L, _II2 _X)
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{return (mismatch(_F, _L, _X).first == _L); }
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// TEMPLATE FUNCTION equal WITH PRED
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template<class _II1, class _II2, class _Pr> inline
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bool equal(_II1 _F, _II1 _L, _II2 _X, _Pr _P)
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{return (mismatch(_F, _L, _X, _P).first == _L); }
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// TEMPLATE FUNCTION fill
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template<class _FI, class _Ty> inline
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void fill(_FI _F, _FI _L, const _Ty& _X)
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{for (; _F != _L; ++_F)
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*_F = _X; }
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// TEMPLATE FUNCTION fill_n
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template<class _OI, class _Sz, class _Ty> inline
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void fill_n(_OI _F, _Sz _N, const _Ty& _X)
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{for (; 0 < _N; --_N, ++_F)
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*_F = _X; }
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// TEMPLATE FUNCTION lexicographical_compare
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template<class _II1, class _II2> inline
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bool lexicographical_compare(_II1 _F1, _II1 _L1,
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_II2 _F2, _II2 _L2)
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{for (; _F1 != _L1 && _F2 != _L2; ++_F1, ++_F2)
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if (*_F1 < *_F2)
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return (true);
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else if (*_F2 < *_F1)
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return (false);
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return (_F1 == _L1 && _F2 != _L2); }
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// TEMPLATE FUNCTION lexicographical_compare WITH PRED
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template<class _II1, class _II2, class _Pr> inline
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bool lexicographical_compare(_II1 _F1, _II1 _L1,
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_II2 _F2, _II2 _L2, _Pr _P)
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{for (; _F1 != _L1 && _F2 != _L2; ++_F1, ++_F2)
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if (_P(*_F1, *_F2))
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return (true);
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else if (_P(*_F2, *_F1))
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return (false);
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return (_F1 == _L1 && _F2 != _L2); }
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// TEMPLATE FUNCTION max
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#ifndef _MAX
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#define _MAX _cpp_max
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#define _MIN _cpp_min
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#endif
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template<class _Ty> inline
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const _Ty& _cpp_max(const _Ty& _X, const _Ty& _Y)
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{return (_X < _Y ? _Y : _X); }
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// TEMPLATE FUNCTION max WITH PRED
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template<class _Ty, class _Pr> inline
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const _Ty& _cpp_max(const _Ty& _X, const _Ty& _Y, _Pr _P)
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{return (_P(_X, _Y) ? _Y : _X); }
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// TEMPLATE FUNCTION min
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template<class _Ty> inline
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const _Ty& _cpp_min(const _Ty& _X, const _Ty& _Y)
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{return (_Y < _X ? _Y : _X); }
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// TEMPLATE FUNCTION min WITH PRED
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template<class _Ty, class _Pr> inline
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const _Ty& _cpp_min(const _Ty& _X, const _Ty& _Y, _Pr _P)
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{return (_P(_Y, _X) ? _Y : _X); }
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// TEMPLATE FUNCTION mismatch
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template<class _II1, class _II2> inline
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pair<_II1, _II2> mismatch(_II1 _F, _II1 _L, _II2 _X)
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{for (; _F != _L && *_F == *_X; ++_F, ++_X)
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;
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return (pair<_II1, _II2>(_F, _X)); }
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// TEMPLATE FUNCTION mismatch WITH PRED
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template<class _II1, class _II2, class _Pr> inline
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pair<_II1, _II2> mismatch(_II1 _F, _II1 _L, _II2 _X, _Pr _P)
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{for (; _F != _L && _P(*_F, *_X); ++_F, ++_X)
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;
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return (pair<_II1, _II2>(_F, _X)); }
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// TEMPLATE FUNCTION swap
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template<class _Ty> inline
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void swap(_Ty& _X, _Ty& _Y)
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{_Ty _Tmp = _X;
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_X = _Y, _Y = _Tmp; }
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_STD_END
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#ifdef _MSC_VER
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#pragma pack(pop)
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#endif /* _MSC_VER */
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#endif /* _XUTILITY_ */
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/*
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* Copyright (c) 1995 by P.J. Plauger. ALL RIGHTS RESERVED.
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* Consult your license regarding permissions and restrictions.
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*/
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/*
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* This file is derived from software bearing the following
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* restrictions:
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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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* Permission to use, copy, modify, distribute and sell this
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* software and its documentation for any purpose is hereby
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* granted without fee, provided that the above copyright notice
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* appear in all copies and that both that copyright notice and
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* this permission notice appear in supporting documentation.
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* Hewlett-Packard Company makes no representations about the
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* suitability of this software for any purpose. It is provided
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* "as is" without express or implied warranty.
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*/
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