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Optimize SWAP macro by using move semantics. #100367

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Dec 14, 2024
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Optimize SWAP macro by using move semantics. #100367

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9 changes: 2 additions & 7 deletions core/typedefs.h
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Original file line number Diff line number Diff line change
Expand Up @@ -43,6 +43,7 @@
// Should be available everywhere.
#include "core/error/error_list.h"
#include <cstdint>
#include <utility>

// Ensure that C++ standard is at least C++17. If on MSVC, also ensures that the `Zc:__cplusplus` flag is present.
static_assert(__cplusplus >= 201703L);
Expand Down Expand Up @@ -129,13 +130,7 @@ constexpr auto CLAMP(const T m_a, const T2 m_min, const T3 m_max) {

// Generic swap template.
#ifndef SWAP
#define SWAP(m_x, m_y) __swap_tmpl((m_x), (m_y))
template <typename T>
inline void __swap_tmpl(T &x, T &y) {
T aux = x;
x = y;
y = aux;
}
#define SWAP(m_x, m_y) std::swap((m_x), (m_y))
#endif // SWAP

/* Functions to handle powers of 2 and shifting. */
Expand Down