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// This file is part of VecGeom and is distributed under the
// conditions in the file LICENSE.txt in the top directory.
// For the full list of authors see CONTRIBUTORS.txt and `git log`.
/// Declaration of a struct with data members of the UnplacedEllipticalTube class
/// @file volumes/EllipticalTubeStruct.h
/// @author Raman Sehgal, Evgueni Tcherniaev
#ifndef VECGEOM_VOLUMES_ELLIPTICALTUBESTRUCT_H_
#define VECGEOM_VOLUMES_ELLIPTICALTUBESTRUCT_H_
#include "VecGeom/base/Global.h"
#include "VecGeom/base/Vector3D.h"
namespace vecgeom {
inline namespace VECGEOM_IMPL_NAMESPACE {
/// Struct with data members of the UnplacedEllipticalTube class
template <typename T = double>
struct EllipticalTubeStruct {
// Elliptical Tube parameters
//
T fDx; ///< Semi-axis in X
T fDy; ///< Semi-axis in Y
T fDz; ///< Half length in Z
T fSurfaceArea; ///< Area of the surface
T fCubicVolume; ///< Volume
// Precalculated cached values
//
T fRsph; ///< Radius of bounding sphere
T fDDx; ///< Dx squared
T fDDy; ///< Dy squared
T fSx; ///< X scale factor
T fSy; ///< Y scale factor
T fR; ///< Resulting Radius, after scaling elipse to circle
T fQ1; ///< Coefficient in the approximation of dist = Q1*(x^2+y^2) - Q2
T fQ2; ///< Coefficient in the approximation of dist = Q1*(x^2+y^2) - Q2
T fScratch; ///< Half length of scratching segment squared
};
} // namespace VECGEOM_IMPL_NAMESPACE
} // namespace vecgeom
#endif
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