#ifndef SQL_GIS_TRANSFORM_H_INCLUDED
#define SQL_GIS_TRANSFORM_H_INCLUDED

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/// @file
///
/// This file declares the interface of gis::transform, a function that converts
/// geometries from one spatial reference system to another.

#include <memory>  // std::unique_ptr

#include "sql/dd/types/spatial_reference_system.h"  // dd::Spatial_reference_system
#include "sql/gis/geometries.h"

namespace gis {

/// Transforms a geometry from one SRS to another.
///
/// @param[in] source_srs The SRS of the input geometry.
/// @param[in] in The geometry to transform.
/// @param[in] target_srs The SRS of the output geometry.
/// @param[in] func_name Function name used in error reporting.
/// @param[out] out The output geometry.
///
/// @retval false Success.
/// @retval true An error has occurred. The error has been reported with
/// my_error().
bool transform(const dd::Spatial_reference_system *source_srs,
               const Geometry &in,
               const dd::Spatial_reference_system *target_srs,
               const char *func_name, std::unique_ptr<Geometry> *out) noexcept;

}  // namespace gis

#endif  // SQL_GIS_TRANSFORM_H_INCLUDED