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/// \file CutPlanes.h
/// \author mgheata
#ifndef VECGEOM_VOLUMES_CUTPLANES_H_
#define VECGEOM_VOLUMES_CUTPLANES_H_
#include "VecGeom/volumes/Plane.h"
namespace vecgeom {
VECGEOM_DEVICE_FORWARD_DECLARE(class CutPlanes;);
VECGEOM_DEVICE_DECLARE_CONV(class, CutPlanes);
inline namespace VECGEOM_IMPL_NAMESPACE {
class CutPlanes : public AlignedBase {
private:
Plane fCutPlanes[2]; ///< Two cut planes
public:
VECCORE_ATT_HOST_DEVICE
CutPlanes() {}
VECCORE_ATT_HOST_DEVICE
~CutPlanes() {}
VECGEOM_FORCE_INLINE
VECCORE_ATT_HOST_DEVICE
Plane const &GetCutPlane(int i) const;
VECGEOM_FORCE_INLINE
VECCORE_ATT_HOST_DEVICE
Vector3D<Precision> GetNormal(int i) const;
VECGEOM_FORCE_INLINE
VECCORE_ATT_HOST_DEVICE
Precision GetDistance(int i) const;
VECCORE_ATT_HOST_DEVICE
void Set(int index, Vector3D<Precision> const &normal, Vector3D<Precision> const &origin);
VECCORE_ATT_HOST_DEVICE
void Set(int index, Vector3D<Precision> const &normal, Precision distance);
template <typename Real_v, typename Bool_v>
VECGEOM_FORCE_INLINE
VECCORE_ATT_HOST_DEVICE
void Contains(Vector3D<Real_v> const &point, Bool_v &inside) const;
template <typename Real_v, typename Inside_v>
VECGEOM_FORCE_INLINE
VECCORE_ATT_HOST_DEVICE
void Inside(Vector3D<Real_v> const &point, Inside_v &inside) const;
template <typename Real_v>
VECGEOM_FORCE_INLINE
VECCORE_ATT_HOST_DEVICE
void DistanceToIn(Vector3D<Real_v> const &point, Vector3D<Real_v> const &direction, Real_v &distance) const;
template <typename Real_v>
VECGEOM_FORCE_INLINE
VECCORE_ATT_HOST_DEVICE
void DistanceToOut(Vector3D<Real_v> const &point, Vector3D<Real_v> const &direction, Real_v &distance) const;
template <typename Real_v>
VECGEOM_FORCE_INLINE
VECCORE_ATT_HOST_DEVICE
void SafetyToIn(Vector3D<Real_v> const &point, Real_v &distance) const;
template <typename Real_v>
VECGEOM_FORCE_INLINE
VECCORE_ATT_HOST_DEVICE
void SafetyToOut(Vector3D<Real_v> const &point, Real_v &distance) const;
}; // class CutPlanes
std::ostream &operator<<(std::ostream &os, CutPlanes const &planes);
VECGEOM_FORCE_INLINE
VECCORE_ATT_HOST_DEVICE
Plane const &CutPlanes::GetCutPlane(int i) const
{
return fCutPlanes[i];
}
VECGEOM_FORCE_INLINE
VECCORE_ATT_HOST_DEVICE
Vector3D<Precision> CutPlanes::GetNormal(int i) const
{
return fCutPlanes[i].GetNormal();
}
VECGEOM_FORCE_INLINE
VECCORE_ATT_HOST_DEVICE
Precision CutPlanes::GetDistance(int i) const
{
return fCutPlanes[i].GetDistance();
}
template <typename Real_v, typename Bool_v>
VECGEOM_FORCE_INLINE
VECCORE_ATT_HOST_DEVICE
void CutPlanes::Contains(Vector3D<Real_v> const &point, Bool_v &inside) const
{
inside = fCutPlanes[0].DistPlane(point) < Real_v(0.) && fCutPlanes[1].DistPlane(point) < Real_v(0.);
}
template <typename Real_v, typename Inside_v>
VECGEOM_FORCE_INLINE
VECCORE_ATT_HOST_DEVICE
void CutPlanes::Inside(Vector3D<Real_v> const &point, Inside_v &inside) const
{
Real_v d0 = fCutPlanes[0].DistPlane(point);
Real_v d1 = fCutPlanes[1].DistPlane(point);
inside =
vecCore::Blend(d0 < Real_v(0.0) && d1 < Real_v(0.0), Inside_v(EInside::kInside), Inside_v(EInside::kOutside));
vecCore::MaskedAssign(inside,
vecCore::math::Abs(d0) < Real_v(kTolerance) || vecCore::math::Abs(d1) < Real_v(kTolerance),
Inside_v(EInside::kSurface));
}
template <typename Real_v>
VECGEOM_FORCE_INLINE
VECCORE_ATT_HOST_DEVICE
void CutPlanes::DistanceToIn(Vector3D<Real_v> const &point, Vector3D<Real_v> const &direction, Real_v &distance) const
{
// The function returns a negative distance for points coming from the
// region in between the two planes, or from points outside going outwards
// If a particle has valid crossings withe the 2 planes, the maximum distance
// has to be taken
Real_v d0, d1;
fCutPlanes[0].DistanceToIn(point, direction, d0);
vecCore::MaskedAssign(d0, direction.Dot(Vector3D<Real_v>(fCutPlanes[0].GetNormal())) > Real_v(0.),
Real_v(-kInfLength));
fCutPlanes[1].DistanceToIn(point, direction, d1);
vecCore::MaskedAssign(d1, direction.Dot(Vector3D<Real_v>(fCutPlanes[1].GetNormal())) > Real_v(0.),
Real_v(-kInfLength));
distance = vecCore::math::Max(d0, d1);
}
template <typename Real_v>
VECGEOM_FORCE_INLINE
VECCORE_ATT_HOST_DEVICE
void CutPlanes::DistanceToOut(Vector3D<Real_v> const &point, Vector3D<Real_v> const &direction, Real_v &distance) const
{
Real_v d0, d1;
fCutPlanes[0].DistanceToOut(point, direction, d0);
fCutPlanes[1].DistanceToOut(point, direction, d1);
distance = vecCore::math::Min(d0, d1);
}
template <typename Real_v>
VECGEOM_FORCE_INLINE
VECCORE_ATT_HOST_DEVICE
void CutPlanes::SafetyToIn(Vector3D<Real_v> const &point, Real_v &distance) const
{
Real_v d0, d1;
fCutPlanes[0].SafetyToIn(point, d0);
fCutPlanes[1].SafetyToIn(point, d1);
distance = vecCore::math::Max(d0, d1);
}
template <typename Real_v>
VECGEOM_FORCE_INLINE
VECCORE_ATT_HOST_DEVICE
void CutPlanes::SafetyToOut(Vector3D<Real_v> const &point, Real_v &distance) const
{
Real_v d0, d1;
fCutPlanes[0].SafetyToOut(point, d0);
fCutPlanes[1].SafetyToOut(point, d1);
distance = vecCore::math::Min(d0, d1);
}
} // namespace VECGEOM_IMPL_NAMESPACE
} // namespace vecgeom
#endif // VECGEOM_VOLUMES_CUTPLANES_H_
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