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Diffstat (limited to 'gcc-4.4.3/libstdc++-v3/include/ext/pb_ds/detail/hash_fn/sample_ranged_probe_fn.hpp')
-rw-r--r-- | gcc-4.4.3/libstdc++-v3/include/ext/pb_ds/detail/hash_fn/sample_ranged_probe_fn.hpp | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/gcc-4.4.3/libstdc++-v3/include/ext/pb_ds/detail/hash_fn/sample_ranged_probe_fn.hpp b/gcc-4.4.3/libstdc++-v3/include/ext/pb_ds/detail/hash_fn/sample_ranged_probe_fn.hpp new file mode 100644 index 000000000..915f108df --- /dev/null +++ b/gcc-4.4.3/libstdc++-v3/include/ext/pb_ds/detail/hash_fn/sample_ranged_probe_fn.hpp @@ -0,0 +1,77 @@ +// -*- C++ -*- + +// Copyright (C) 2005, 2006, 2009 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 3, 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. + +// Under Section 7 of GPL version 3, you are granted additional +// permissions described in the GCC Runtime Library Exception, version +// 3.1, as published by the Free Software Foundation. + +// You should have received a copy of the GNU General Public License and +// a copy of the GCC Runtime Library Exception along with this program; +// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see +// <http://www.gnu.org/licenses/>. + +// 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 |