diff options
Diffstat (limited to 'libstdc++-v3/include/ext/pb_ds/detail/hash_fn/sample_ranged_probe_fn.hpp')
-rw-r--r-- | libstdc++-v3/include/ext/pb_ds/detail/hash_fn/sample_ranged_probe_fn.hpp | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/libstdc++-v3/include/ext/pb_ds/detail/hash_fn/sample_ranged_probe_fn.hpp b/libstdc++-v3/include/ext/pb_ds/detail/hash_fn/sample_ranged_probe_fn.hpp new file mode 100644 index 00000000000..01697bb41ff --- /dev/null +++ b/libstdc++-v3/include/ext/pb_ds/detail/hash_fn/sample_ranged_probe_fn.hpp @@ -0,0 +1,83 @@ +// -*- C++ -*- + +// Copyright (C) 2005, 2006 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. + +// Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL. + +// Permission to use, copy, modify, sell, and distribute this software +// is hereby granted without fee, provided that the above copyright +// notice appears in all copies, and that both that copyright notice +// and this permission notice appear in supporting documentation. None +// of the above authors, nor IBM Haifa Research Laboratories, make any +// representation about the suitability of this software for any +// purpose. It is provided "as is" without express or implied +// warranty. + +/** + * @file sample_ranged_probe_fn.hpp + * Contains a ranged probe policy. + */ + +#ifndef PB_DS_SAMPLE_RANGED_PROBE_FN_HPP +#define PB_DS_SAMPLE_RANGED_PROBE_FN_HPP + +// A sample ranged-probe functor. +class sample_ranged_probe_fn +{ + +public: + + // Size type. + typedef size_t size_type; + +public: + + // Default constructor. + sample_ranged_probe_fn(); + + // Copy constructor. + sample_ranged_probe_fn(const sample_ranged_probe_fn& other); + + // Swaps content. + inline void + swap(sample_ranged_probe_fn& other); + +protected: + + // Notifies the policy object that the container's __size has changed to size. + void + notify_resized(size_type size); + + // Transforms the const key reference r_key into the i-th position within the table. This method is called for each collision within the probe sequence. + inline size_type + operator()(const_key_reference r_key, size_t hash, size_type i) const; + +}; + +#endif // #ifndef PB_DS_SAMPLE_RANGED_PROBE_FN_HPP |