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#pragma once
#include <map>
#include <vector>
#include <base/types.h>
namespace DB
{
size_t geohashEncode(Float64 longitude, Float64 latitude, uint8_t precision, char * out);
void geohashDecode(const char * encoded_string, size_t encoded_len, Float64 * longitude, Float64 * latitude);
std::vector<std::pair<Float64, Float64>> geohashCoverBox(
Float64 longitude_min,
Float64 latitude_min,
Float64 longitude_max,
Float64 latitude_max,
uint8_t precision,
UInt32 max_items = 0);
struct GeohashesInBoxPreparedArgs
{
UInt64 items_count = 0;
UInt32 longitude_items = 0;
UInt32 latitude_items = 0;
Float64 longitude_min = 0.0;
Float64 latitude_min = 0.0;
Float64 longitude_step = 0.0;
Float64 latitude_step = 0.0;
uint8_t precision = 0;
};
GeohashesInBoxPreparedArgs geohashesInBoxPrepare(
Float64 longitude_min,
Float64 latitude_min,
Float64 longitude_max,
Float64 latitude_max,
uint8_t precision);
UInt64 geohashesInBox(const GeohashesInBoxPreparedArgs & args, char * out);
}
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