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// ************************************************************************************************
//
// BornAgain: simulate and fit reflection and scattering
//
//! @file Device/Data/DataUtil.h
//! @brief Defines namespace DataUtil.
//!
//! @homepage http://www.bornagainproject.org
//! @license GNU General Public License v3 or higher (see COPYING)
//! @copyright Forschungszentrum Jülich GmbH 2018
//! @authors Scientific Computing Group at MLZ (see CITATION, AUTHORS)
//
// ************************************************************************************************
#ifdef SWIG
#error no need to expose this header to Swig
#endif // SWIG
#ifndef BORNAGAIN_DEVICE_DATA_DATAUTIL_H
#define BORNAGAIN_DEVICE_DATA_DATAUTIL_H
#include "Base/Type/Field2D.h"
#include <string>
#include <vector>
class Datafield;
namespace DataUtil {
//! Returns new object with input data rotated by
//! n*90 deg counterclockwise (n > 0) or clockwise (n < 0)
//! Axes are swapped if the data is effectively rotated by 90 or 270 degrees
//! Applicable to 2D arrays only
Datafield rotatedDatafield(const Datafield& data, int n);
//! Changes the direction of rows or columns
double2d_t invertAxis(int axis, const double2d_t& original);
//! Transposes the matrix
double2d_t transpose(const double2d_t& original);
//! Creates a vector of vectors of double (2D Array) from Datafield.
double2d_t create2DArrayfromDatafield(const Datafield& data);
//! Returns Datafield representing relative difference of two histograms.
Datafield relativeDifferenceField(const Datafield& dat, const Datafield& ref);
} // namespace DataUtil
#endif // BORNAGAIN_DEVICE_DATA_DATAUTIL_H
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