+/*
+ This file is a part of libcds - Concurrent Data Structures library
+
+ (C) Copyright Maxim Khizhinsky (libcds.dev@gmail.com) 2006-2017
+
+ Source code repo: http://github.com/khizmax/libcds/
+ Download: http://sourceforge.net/projects/libcds/files/
+
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions are met:
+
+ * Redistributions of source code must retain the above copyright notice, this
+ list of conditions and the following disclaimer.
+
+ * Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+ FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+#ifndef CDSUNIT_HASH_FUNC_H
+#define CDSUNIT_HASH_FUNC_H
+
+#include <cds/details/defs.h>
+
+#if CDS_BUILD_BITS == 64
+# include <cds_test/city.h>
+#endif
+
+namespace cds_test {
+
+#if CDS_BUILD_BITS == 64
+ class city32 {
+ public:
+ typedef uint32_t hash_type;
+ typedef hash_type result_type;
+
+ hash_type operator()( void const * pBuf, size_t len ) const
+ {
+ return CityHash32( reinterpret_cast<char const *>( pBuf ), len );
+ }
+
+ hash_type operator()( std::string const& s ) const
+ {
+ return CityHash32( s.c_str(), s.length());
+ }
+
+ template <typename T>
+ hash_type operator()( T const& s ) const
+ {
+ return CityHash32( reinterpret_cast<char const *>( &s ), sizeof(s));
+ }
+
+ struct less
+ {
+ bool operator()( hash_type lhs, hash_type rhs ) const
+ {
+ return lhs < rhs;
+ }
+ };
+ };
+
+ class city64 {
+ public:
+ typedef uint64_t hash_type;
+ typedef hash_type result_type;
+
+ hash_type operator()( void const * pBuf, size_t len ) const
+ {
+ return CityHash64( reinterpret_cast<char const *>( pBuf ), len );
+ }
+
+ hash_type operator()( std::string const& s ) const
+ {
+ return CityHash64( s.c_str(), s.length());
+ }
+
+ template <typename T>
+ hash_type operator()( T const& s ) const
+ {
+ return CityHash64( reinterpret_cast<char const *>( &s ), sizeof(s));
+ }
+
+ struct less
+ {
+ bool operator()( hash_type lhs, hash_type rhs ) const
+ {
+ return lhs < rhs;
+ }
+ };
+ };
+
+ class city128 {
+ public:
+ typedef uint128 hash_type;
+ typedef hash_type result_type;
+
+ hash_type operator()( void const * pBuf, size_t len ) const
+ {
+ return CityHash128( reinterpret_cast<char const *>( pBuf ), len );
+ }
+
+ hash_type operator()( std::string const& s ) const
+ {
+ return CityHash128( s.c_str(), s.length());
+ }
+
+ template <typename T>
+ hash_type operator()( T const& s ) const
+ {
+ return CityHash128( reinterpret_cast<char const *>( &s ), sizeof(s));
+ }
+
+ struct less
+ {
+ bool operator()( hash_type const& lhs, hash_type const& rhs ) const
+ {
+ if ( lhs.first != rhs.first )
+ return lhs.second < rhs.second;
+ return lhs.first < rhs.first;
+ }
+ };
+ };
+#endif // #if CDS_BUILD_BITS == 64
+
+
+} // namespace cds_test
+
+#endif // #ifndef CDSUNIT_HASH_FUNC_H