Imported gcc-4.4.3

[msp430-gcc.git] / libstdc++-v3 / testsuite / util / native_type / native_hash_set.hpp

diff --git a/libstdc++-v3/testsuite/util/native_type/native_hash_set.hpp b/libstdc++-v3/testsuite/util/native_type/native_hash_set.hpp
new file mode 100644 (file)
index 0000000..d3f4596
--- /dev/null
+++ b/libstdc++-v3/testsuite/util/native_type/native_hash_set.hpp
@@ -0,0 +1,125 @@
+// -*- C++ -*-
+
+// Copyright (C) 2005, 2006, 2007, 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.
+
+// You should have received a copy of the GNU General Public License
+// along with this library; see the file COPYING3.  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 native_hash_set.hpp
+ * Contains an adapter to TR1 unordered containers.
+ */
+
+#ifndef PB_DS_NATIVE_HASH_SET_HPP
+#define PB_DS_NATIVE_HASH_SET_HPP
+
+#include <string>
+#include <ext/pb_ds/detail/type_utils.hpp>
+#include <ext/pb_ds/detail/standard_policies.hpp>
+#include <native_type/native_hash_tag.hpp>
+#include <io/xml.hpp>
+#include <tr1/unordered_set>
+
+namespace __gnu_pbds
+{
+  namespace test
+  {
+#define PB_DS_BASE_C_DEC \
+    std::tr1::__unordered_set<Key, Hash_Fn, Eq_Fn, \
+    typename Allocator::template rebind<Key>::other, Cache_Hash>
+
+    template<typename Key,
+            size_t Init_Size = 8,
+         typename Hash_Fn = typename __gnu_pbds::detail::default_hash_fn<Key>::type,
+            typename Eq_Fn = std::equal_to<Key>,
+            typename Less_Fn = std::less<Key>,
+            typename Allocator = std::allocator<char>, bool Cache_Hash = false
+            >
+    class native_hash_set : public PB_DS_BASE_C_DEC
+    {
+    private:
+      typedef PB_DS_BASE_C_DEC base_type;
+
+    public:
+      typedef native_hash_tag container_category;
+
+      native_hash_set() : base_type(Init_Size) { }
+
+      template<typename It>
+      native_hash_set(It f, It l) : base_type(f, l) { }
+
+      template<typename Pred>
+      inline size_t
+      erase_if(Pred pred)
+      {
+        size_t ersd = 0;
+        bool done = false;
+        while (!done)
+         {
+            typename base_type::iterator b_it = base_type::begin();
+            typename base_type::iterator e_it = base_type::end();
+            done = true;
+            while (b_it != e_it)
+             {
+                if (pred(*b_it))
+                 {
+                    ++ersd;
+                    done = false;
+                    base_type::erase(*b_it);
+                    b_it = e_it;
+                 }
+                else
+                 ++b_it;
+             }
+         }
+        return ersd;
+      }
+
+      static std::string
+      name()
+      {
+        return std::string("n_hash_set_") 
+              + (Cache_Hash ? std::string("cah") : std::string("ncah"));
+      }
+
+      static std::string
+      desc()
+      {
+        const std::string cache_hash_desc =
+       make_xml_tag("cache_hash_code", "value",
+                    Cache_Hash ? std::string("true") : std::string("false"));
+
+        return make_xml_tag("type", "value", "std_tr1_unordered_set", 
+                           cache_hash_desc);
+      }
+    };
+
+#undef PB_DS_BASE_C_DEC
+  } // namespace test
+} // namespace __gnu_pbds
+
+#endif