/usr/include/cvc3/hash_fun.h is in libcvc3-dev 2.4.1-5ubuntu1.
This file is owned by root:root, with mode 0o644.
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/*!
*\file hash_fun.h
*\brief hash functions
*
* Author: Alexander Fuchs
*
* Created: Fri Oct 20 11:04:00 2006
*
* <hr>
*
* License to use, copy, modify, sell and/or distribute this software
* and its documentation for any purpose is hereby granted without
* royalty, subject to the terms and conditions defined in the \ref
* LICENSE file provided with this distribution.
*
* <hr>
*/
/*****************************************************************************/
/*
* Copyright (c) 1996-1998
* 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.
*
*/
// this is basically (modulo renaming and namespace) the SGI implementation:
// http://www.sgi.com/tech/stl/stl_hash_fun.h
#ifndef _cvc3__hash__hash_fun_h_
#define _cvc3__hash__hash_fun_h_
// to get size_t
#include <cstddef>
namespace Hash {
using std::size_t;
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<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; }
};
}
#endif
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