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/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
file Copyright.txt or https://cmake.org/licensing#kwsys for details. */
/*
* Copyright (c) 1996
* Silicon Graphics Computer Systems, Inc.
*
* Permission to use, copy, modify, distribute and sell this software
* and its documentation for any purpose is hereby granted without fee,
* provided that the above copyright notice appear in all copies and
* that both that copyright notice and this permission notice appear
* in supporting documentation. Silicon Graphics makes no
* representations about the suitability of this software for any
* purpose. It is provided "as is" without express or implied warranty.
*
*
* Copyright (c) 1994
* Hewlett-Packard Company
*
* Permission to use, copy, modify, distribute and sell this software
* and its documentation for any purpose is hereby granted without fee,
* provided that the above copyright notice appear in all copies and
* that both that copyright notice and this permission notice appear
* in supporting documentation. Hewlett-Packard Company makes no
* representations about the suitability of this software for any
* purpose. It is provided "as is" without express or implied warranty.
*
*/
#ifndef @KWSYS_NAMESPACE@_hash_fun_hxx
#define @KWSYS_NAMESPACE@_hash_fun_hxx
#include <@KWSYS_NAMESPACE@/Configure.hxx>
#include <stddef.h> // size_t
#include <string>
namespace @KWSYS_NAMESPACE@ {
template <class _Key>
struct hash
{
};
inline size_t _stl_hash_string(const char* __s)
{
unsigned long __h = 0;
for (; *__s; ++__s)
__h = 5 * __h + *__s;
return size_t(__h);
}
template <>
struct hash<char*>
{
size_t operator()(const char* __s) const { return _stl_hash_string(__s); }
};
template <>
struct hash<const char*>
{
size_t operator()(const char* __s) const { return _stl_hash_string(__s); }
};
template <>
struct hash<std::string>
{
size_t operator()(const std::string& __s) const
{
return _stl_hash_string(__s.c_str());
}
};
#if !defined(__BORLANDC__)
template <>
struct hash<const std::string>
{
size_t operator()(const std::string& __s) const
{
return _stl_hash_string(__s.c_str());
}
};
#endif
template <>
struct hash<char>
{
size_t operator()(char __x) const { return __x; }
};
template <>
struct hash<unsigned char>
{
size_t operator()(unsigned char __x) const { return __x; }
};
template <>
struct hash<signed char>
{
size_t operator()(unsigned char __x) const { return __x; }
};
template <>
struct hash<short>
{
size_t operator()(short __x) const { return __x; }
};
template <>
struct hash<unsigned short>
{
size_t operator()(unsigned short __x) const { return __x; }
};
template <>
struct hash<int>
{
size_t operator()(int __x) const { return __x; }
};
template <>
struct hash<unsigned int>
{
size_t operator()(unsigned int __x) const { return __x; }
};
template <>
struct hash<long>
{
size_t operator()(long __x) const { return __x; }
};
template <>
struct hash<unsigned long>
{
size_t operator()(unsigned long __x) const { return __x; }
};
// use long long or __int64
#if @KWSYS_USE_LONG_LONG@
template <>
struct hash<long long>
{
size_t operator()(long long __x) const { return __x; }
};
template <>
struct hash<unsigned long long>
{
size_t operator()(unsigned long long __x) const { return __x; }
};
#elif @KWSYS_USE___INT64@
template <>
struct hash<__int64>
{
size_t operator()(__int64 __x) const { return __x; }
};
template <>
struct hash<unsigned __int64>
{
size_t operator()(unsigned __int64 __x) const { return __x; }
};
#endif // use long long or __int64
} // namespace @KWSYS_NAMESPACE@
#endif
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