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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 Multibit: build code (for sparse iterators)
*/
#ifndef MULTIBIT_BUILD_H
#define MULTIBIT_BUILD_H
#include "hs_common.h"
#include "multibit_internal.h"
#include "hash.h"
#include <vector>
inline
bool operator==(const mmbit_sparse_iter &a, const mmbit_sparse_iter &b) {
return a.mask == b.mask && a.val == b.val;
}
namespace std {
template<>
struct hash<mmbit_sparse_iter> {
size_t operator()(const mmbit_sparse_iter &iter) const {
return ue2::hash_all(iter.mask, iter.val);
}
};
} // namespace std
namespace ue2 {
/**
* \brief Return the size in bytes of a multibit that can store the given
* number of bits.
*
* This will throw a resource limit assertion if the requested mmbit is too
* large.
*/
u32 mmbit_size(u32 total_bits);
/** \brief Construct a sparse iterator over the values in \a bits for a
* multibit of size \a total_bits. */
std::vector<mmbit_sparse_iter>
mmbBuildSparseIterator(const std::vector<u32> &bits, u32 total_bits);
struct scatter_plan_raw;
void mmbBuildInitRangePlan(u32 total_bits, u32 begin, u32 end,
scatter_plan_raw *out);
void mmbBuildClearPlan(u32 total_bits, scatter_plan_raw *out);
} // namespace ue2
#endif // MULTIBIT_BUILD_H
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