CircleXY.h

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// Copyright 2019-2020 CERN and copyright holders of ALICE O2.
// See https://alice-o2.web.cern.ch/copyright for details of the copyright holders.
// All rights not expressly granted are reserved.
//
// This software is distributed under the terms of the GNU General Public
// License v3 (GPL Version 3), copied verbatim in the file "COPYING".
//
// In applying this license CERN does not waive the privileges and immunities
// granted to it by virtue of its status as an Intergovernmental Organization
// or submit itself to any jurisdiction.
 
 
#ifndef MATHUTILS_INCLUDE_MATHUTILS_DETAIL_CIRCLEXY_H_
#define MATHUTILS_INCLUDE_MATHUTILS_DETAIL_CIRCLEXY_H_
 
#include "GPUCommonDef.h"
#include "GPUCommonRtypes.h"
 
namespace o2
{
namespace math_utils
{
namespace detail
{
 
template <typename T>
struct CircleXY {
  using value_t = T;
 
  T rC; // circle radius
  T xC; // x-center
  T yC; // y-center
  GPUd() CircleXY(T r = T(), T x = T(), T y = T());
  GPUd() T getCenterD2() const;
  ClassDefNV(CircleXY, 2);
};
 
template <typename T>
GPUdi() CircleXY<T>::CircleXY(T r, T x, T y) : rC(r), xC(x), yC(y)
{
}
 
template <typename T>
GPUdi() T CircleXY<T>::getCenterD2() const
{
  return xC * xC + yC * yC;
}
} // namespace detail
} // namespace math_utils
} // namespace o2
 
#endif /* MATHUTILS_INCLUDE_MATHUTILS_DETAIL_CIRCLEXY_H_ */