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44 lines
955 B
C++
44 lines
955 B
C++
#pragma once
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#include "base/macros.hpp"
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#include <cstdint>
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namespace covering
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{
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template <typename Value>
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class CellValuePair
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{
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public:
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using ValueType = Value;
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CellValuePair() = default;
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CellValuePair(uint64_t cell, Value value)
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: m_cellLo(UINT64_LO(cell)), m_cellHi(UINT64_HI(cell)), m_value(value)
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{
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}
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bool operator<(CellValuePair const & rhs) const
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{
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if (m_cellHi != rhs.m_cellHi)
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return m_cellHi < rhs.m_cellHi;
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if (m_cellLo != rhs.m_cellLo)
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return m_cellLo < rhs.m_cellLo;
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return m_value < rhs.m_value;
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}
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uint64_t GetCell() const { return UINT64_FROM_UINT32(m_cellHi, m_cellLo); }
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Value GetValue() const { return m_value; }
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private:
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uint32_t m_cellLo = 0;
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uint32_t m_cellHi = 0;
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Value m_value = 0;
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};
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// For backward compatibility.
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static_assert(sizeof(CellValuePair<uint32_t>) == 12);
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static_assert(std::is_trivially_copyable<CellValuePair<uint32_t>>::value);
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} // namespace covering
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