Imported gcc-4.4.3

[msp430-gcc.git] / libstdc++-v3 / include / ext / pb_ds / detail / hash_fn / sample_ranged_probe_fn.hpp

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 (file)
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--- /dev/null
+++ b/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