Cartesian.cxx

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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.
 
#include <iostream>
#include "MathUtils/Cartesian.h"
 
ClassImp(o2::math_utils::Transform3D);
ClassImp(o2::math_utils::Rotation2Df_t);
ClassImp(o2::math_utils::Rotation2Dd_t);
 
namespace o2
{
namespace math_utils
{
 
//_________________________________________________
Transform3D::Transform3D(const TGeoMatrix& m)
{
  /*
   * Construct from TGeoMatrix or its derived classes
   */
  set(m);
}
 
//_________________________________________________
void Transform3D::set(const TGeoMatrix& m)
{
  /*
   * Set parameters from TGeoMatrix
   */
  const double* t = m.GetTranslation();
  const double* r = m.GetRotationMatrix();
  SetComponents(r[0], r[1], r[2], t[0], r[3], r[4], r[5], t[1], r[6], r[7], r[8], t[2]);
}
 
//_________________________________________________
void Transform3D::print() const
{
  /*
   * print itself
   */
  std::cout << *this << std::endl;
}
 
} // namespace math_utils
} // namespace o2
 
//_________________________________________________
std::ostream& operator<<(std::ostream& os, const o2::math_utils::Rotation2Df_t& t)
{
  float cs, sn;
  t.getComponents(cs, sn);
  os << "cos: " << cs << " sin: " << sn;
  return os;
}
 
//_________________________________________________
std::ostream& operator<<(std::ostream& os, const o2::math_utils::Rotation2Dd_t& t)
{
  double cs, sn;
  t.getComponents(cs, sn);
  os << "cos: " << cs << " sin: " << sn;
  return os;
}