ydb/library/cpp/yt/coding/zig_zag.h

#pragma once

#include <util/system/types.h>

namespace NYT {

////////////////////////////////////////////////////////////////////////////////

// These Functions provide coding of integers with property: 0 <= f(x) <= 2 * |x|
// Actually taken 'as is' from protobuf/wire_format_lite.h

ui32 ZigZagEncode32(i32 n);
i32 ZigZagDecode32(ui32 n);

ui64 ZigZagEncode64(i64 n);
i64 ZigZagDecode64(ui64 n);

////////////////////////////////////////////////////////////////////////////////

} // namespace NYT

#define ZIG_ZAG_INL_H_
#include "zig_zag-inl.h"
#undef ZIG_ZAG_INL_H_