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/*
* Copyright (c) 2015-2017, Intel Corporation
*
* 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.
* * Neither the name of Intel Corporation nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* 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 OWNER 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.
*/
/** \file
* \brief Loose equality testing for NGHolder graphs.
*
* Loose equality check for holders' graph structure and vertex_index,
* vertex_char_reach and (optionally reports).
*/
#ifndef NG_IS_EQUAL_H
#define NG_IS_EQUAL_H
#include "ue2common.h"
#include <memory>
namespace ue2 {
class NGHolder;
bool is_equal(const NGHolder &a, const NGHolder &b);
bool is_equal(const NGHolder &a, ReportID a_r, const NGHolder &b, ReportID b_r);
u64a hash_holder(const NGHolder &g);
// Util Functors
struct NGHolderHasher {
size_t operator()(const std::shared_ptr<const NGHolder> &h) const {
return hash_holder(*h);
}
size_t operator()(const std::shared_ptr<NGHolder> &h) const {
return hash_holder(*h);
}
};
struct NGHolderEqual {
bool operator()(const std::shared_ptr<const NGHolder> &a,
const std::shared_ptr<const NGHolder> &b) const {
return is_equal(*a, *b);
}
};
} // namespace ue2
#endif // NG_IS_EQUAL_H
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