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//===-- kernel/HypeImplementation.h - Instruction class definition -------*- C++ -*-===//
//
// GeantV - VecGeom
//
// This file is distributed under the LGPL
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
///
/// \file
/// \author Marilena Bandieramonte (marilena.bandieramonte@cern.ch)
/// \brief This file implements the Hype shape
///
#ifndef VECGEOM_VOLUMES_KERNEL_HYPEIMPLEMENTATION_H_
#define VECGEOM_VOLUMES_KERNEL_HYPEIMPLEMENTATION_H_
#include "VecGeom/base/Vector3D.h"
#include "VecGeom/volumes/HypeStruct.h"
#include "VecGeom/volumes/kernel/GenericKernels.h"
#include <VecCore/VecCore>
#include "VecGeom/volumes/HypeUtilities.h"
#include "VecGeom/volumes/kernel/shapetypes/HypeTypes.h"
// different SafetyToIn implementations
//#define ACCURATE_BB
#define ACCURATE_BC
namespace vecgeom {
VECGEOM_DEVICE_DECLARE_CONV_TEMPLATE(struct, HypeImplementation, typename);
inline namespace VECGEOM_IMPL_NAMESPACE {
template <typename T>
struct HypeStruct;
template <typename T>
class SPlacedHype;
template <typename T>
class SUnplacedHype;
template <typename hypeTypeT>
struct HypeImplementation {
using UnplacedStruct_t = HypeStruct<Precision>;
using UnplacedVolume_t = SUnplacedHype<hypeTypeT>;
using PlacedShape_t = SPlacedHype<UnplacedVolume_t>;
VECCORE_ATT_HOST_DEVICE
static void PrintType()
{
// printf("SpecializedHype<%i, %i>", transCodeT, rotCodeT);
}
template <typename Stream>
static void PrintType(Stream &st, int transCodeT = translation::kGeneric, int rotCodeT = rotation::kGeneric)
{
st << "SpecializedHype<" << transCodeT << "," << rotCodeT << ">";
}
template <typename Stream>
static void PrintImplementationType(Stream &st)
{
(void)st;
// st << "HypeImplementation<" << transCodeT << "," << rotCodeT << ">";
}
template <typename Stream>
static void PrintUnplacedType(Stream &st)
{
(void)st;
// TODO: this is wrong
// st << "UnplacedHype";
}
template <typename Real_v, typename Bool_v>
VECGEOM_FORCE_INLINE
VECCORE_ATT_HOST_DEVICE
static void Contains(UnplacedStruct_t const &hype, Vector3D<Real_v> const &point, Bool_v &inside)
{
Bool_v unused(false), outside(false);
GenericKernelForContainsAndInside<Real_v, Bool_v, false>(hype, point, unused, outside);
inside = !outside;
}
template <typename Real_v, typename Inside_v>
VECGEOM_FORCE_INLINE
VECCORE_ATT_HOST_DEVICE
static void Inside(UnplacedStruct_t const &hype, Vector3D<Real_v> const &point, Inside_v &inside)
{
using Bool_v = vecCore::Mask_v<Real_v>;
using InsideBool_v = vecCore::Mask_v<Inside_v>;
Bool_v completelyinside(false), completelyoutside(false);
GenericKernelForContainsAndInside<Real_v, Bool_v, true>(hype, point, completelyinside, completelyoutside);
inside = EInside::kSurface;
vecCore::MaskedAssign(inside, (InsideBool_v)completelyoutside, Inside_v(EInside::kOutside));
vecCore::MaskedAssign(inside, (InsideBool_v)completelyinside, Inside_v(EInside::kInside));
}
template <typename Real_v, typename Bool_v, bool ForInside>
VECGEOM_FORCE_INLINE
VECCORE_ATT_HOST_DEVICE
static void GenericKernelForContainsAndInside(UnplacedStruct_t const &hype, Vector3D<Real_v> const &point,
Bool_v &completelyinside, Bool_v &completelyoutside)
{
using namespace ::vecgeom::HypeTypes;
Real_v r2 = point.Perp2();
Real_v oRad2 = (hype.fRmax2 + hype.fTOut2 * point.z() * point.z());
Real_v iRad2(0.);
completelyoutside = (Abs(point.z()) > (hype.fDz + hype.zToleranceLevel));
if (vecCore::MaskFull(completelyoutside)) return;
completelyoutside |= (r2 > oRad2 + hype.outerRadToleranceLevel);
if (vecCore::MaskFull(completelyoutside)) return;
if (checkInnerSurfaceTreatment<hypeTypeT>(hype)) {
iRad2 = (hype.fRmin2 + hype.fTIn2 * point.z() * point.z());
completelyoutside |= (r2 < (iRad2 - hype.innerRadToleranceLevel));
}
if (vecCore::MaskFull(completelyoutside)) return;
if (ForInside) {
completelyinside =
(Abs(point.z()) < (hype.fDz - hype.zToleranceLevel)) && (r2 < oRad2 - hype.outerRadToleranceLevel);
if (checkInnerSurfaceTreatment<hypeTypeT>(hype)) completelyinside &= (r2 > (iRad2 + hype.innerRadToleranceLevel));
}
}
template <typename Real_v>
VECGEOM_FORCE_INLINE
VECCORE_ATT_HOST_DEVICE
static void DistanceToIn(UnplacedStruct_t const &hype, Vector3D<Real_v> const &point,
Vector3D<Real_v> const &direction, Real_v const & /*stepMax*/, Real_v &distance)
{
using namespace ::vecgeom::HypeTypes;
using Bool_v = vecCore::Mask_v<Real_v>;
Real_v absZ = Abs(point.z());
distance = kInfLength;
Real_v zDist(kInfLength), dist(kInfLength);
Real_v r = point.Perp2();
Bool_v done(false);
Bool_v cond(false);
Bool_v surfaceCond = HypeUtilities::IsPointOnSurfaceAndMovingInside<Real_v, hypeTypeT>(hype, point, direction);
vecCore__MaskedAssignFunc(distance, !done && surfaceCond, Real_v(0.0));
done |= surfaceCond;
if (vecCore::MaskFull(done)) return;
cond = HypeUtilities::IsCompletelyInside<Real_v, hypeTypeT>(hype, point);
vecCore__MaskedAssignFunc(distance, !done && cond, Real_v(-1.0));
done |= cond;
if (vecCore::MaskFull(done)) return;
// checking whether point hits the Z Surface of hyperboloid
Bool_v hittingZPlane =
HypeUtilities::GetPointOfIntersectionWithZPlane<Real_v, hypeTypeT, true>(hype, point, direction, zDist);
Bool_v isPointAboveOrBelowHypeAndGoingInside = (absZ > hype.fDz) && (point.z() * direction.z() < Real_v(0.));
cond = isPointAboveOrBelowHypeAndGoingInside && hittingZPlane;
vecCore::MaskedAssign(distance, !done && cond, zDist);
done |= cond;
if (vecCore::MaskFull(done)) return;
// Moving the point to Z Surface
Vector3D<Real_v> newPt = point + zDist * direction;
Real_v rp2 = newPt.Perp2();
Bool_v hittingOuterSurfaceFromOutsideZRange =
isPointAboveOrBelowHypeAndGoingInside && !hittingZPlane && (rp2 >= hype.fEndOuterRadius2);
Bool_v hittingOuterSurfaceFromWithinZRange = ((r > ((hype.fRmax2 + hype.fTOut2 * absZ * absZ) + kHalfTolerance))) &&
(absZ >= Real_v(0.)) && (absZ <= hype.fDz);
cond = (hittingOuterSurfaceFromOutsideZRange || hittingOuterSurfaceFromWithinZRange ||
(HypeUtilities::IsPointOnOuterSurfaceAndMovingOutside<Real_v>(hype, point, direction))) &&
HypeHelpers<Real_v, true, false>::GetPointOfIntersectionWithHyperbolicSurface(hype, point, direction, dist);
vecCore::MaskedAssign(distance, !done && cond, dist);
if (checkInnerSurfaceTreatment<hypeTypeT>(hype)) {
done |= cond;
if (vecCore::MaskFull(done)) return;
Bool_v hittingInnerSurfaceFromOutsideZRange =
isPointAboveOrBelowHypeAndGoingInside && !hittingZPlane && (rp2 <= hype.fEndInnerRadius2);
Bool_v hittingInnerSurfaceFromWithinZRange = (r < ((hype.fRmin2 + hype.fTIn2 * absZ * absZ) - kHalfTolerance)) &&
(absZ >= Real_v(0.)) && (absZ <= hype.fDz);
// If it hits inner hyperbolic surface then distance will be the distance to inner hyperbolic surface
// Or if the point is on the inner Hyperbolic surface but going out then the distance will be the distance to
// opposite inner hyperbolic surface.
cond = (hittingInnerSurfaceFromOutsideZRange || hittingInnerSurfaceFromWithinZRange ||
(HypeUtilities::IsPointOnInnerSurfaceAndMovingOutside<Real_v, hypeTypeT>(hype, point, direction))) &&
HypeHelpers<Real_v, true, true>::GetPointOfIntersectionWithHyperbolicSurface(hype, point, direction, dist);
vecCore::MaskedAssign(distance, !done && cond, dist);
}
}
template <typename Real_v>
VECGEOM_FORCE_INLINE
VECCORE_ATT_HOST_DEVICE
static void DistanceToOut(UnplacedStruct_t const &hype, Vector3D<Real_v> const &point,
Vector3D<Real_v> const &direction, Real_v const & /* stepMax */, Real_v &distance)
{
using namespace ::vecgeom::HypeTypes;
using Bool_v = typename vecCore::Mask_v<Real_v>;
distance = kInfLength;
Real_v zDist(kInfLength), dist(kInfLength);
Bool_v done(false);
Bool_v cond = HypeUtilities::IsPointOnSurfaceAndMovingOutside<Real_v, hypeTypeT>(hype, point, direction);
vecCore__MaskedAssignFunc(distance, cond, Real_v(0.));
done |= cond;
if (vecCore::MaskFull(done)) return;
cond = HypeUtilities::IsCompletelyOutside<Real_v, hypeTypeT>(hype, point);
vecCore__MaskedAssignFunc(distance, !done && cond, Real_v(-1.));
done |= cond;
if (vecCore::MaskFull(done)) return;
HypeUtilities::GetPointOfIntersectionWithZPlane<Real_v, hypeTypeT, false>(hype, point, direction, zDist);
vecCore__MaskedAssignFunc(zDist, zDist < Real_v(0.), InfinityLength<Real_v>());
HypeHelpers<Real_v, false, false>::GetPointOfIntersectionWithHyperbolicSurface(hype, point, direction, dist);
vecCore__MaskedAssignFunc(dist, dist < Real_v(0.), InfinityLength<Real_v>());
vecCore__MaskedAssignFunc(distance, !done, Min(zDist, dist));
if (checkInnerSurfaceTreatment<hypeTypeT>(hype)) {
HypeHelpers<Real_v, false, true>::GetPointOfIntersectionWithHyperbolicSurface(hype, point, direction, dist);
vecCore__MaskedAssignFunc(dist, dist < Real_v(0.), InfinityLength<Real_v>());
vecCore__MaskedAssignFunc(distance, !done, Min(distance, dist));
}
}
template <class Real_v>
VECCORE_ATT_HOST_DEVICE
static void SafetyToIn(UnplacedStruct_t const &hype, Vector3D<Real_v> const &point, Real_v &safety)
{
using Bool_v = typename vecCore::Mask_v<Real_v>;
Real_v absZ = Abs(point.z());
Real_v r2 = point.Perp2();
Real_v r = Sqrt(r2);
Bool_v done(false);
// New Simple Algo
safety = 0.;
// If point is inside then safety should be -1.
Bool_v compIn(false), compOut(false);
GenericKernelForContainsAndInside<Real_v, Bool_v, true>(hype, point, compIn, compOut);
done = (!compIn && !compOut);
if (vecCore::MaskFull(done)) return;
vecCore__MaskedAssignFunc(safety, compIn, Real_v(-1.0));
done |= compIn;
if (vecCore::MaskFull(done)) return;
Bool_v cond(false);
Real_v sigz = absZ - hype.fDz;
cond = (sigz > kHalfTolerance) && (r < hype.fEndOuterRadius) && (r > hype.fEndInnerRadius);
vecCore::MaskedAssign(safety, !done && cond, sigz);
done |= cond;
if (vecCore::MaskFull(done)) return;
cond = (sigz > kHalfTolerance) && (r > hype.fEndOuterRadius);
vecCore__MaskedAssignFunc(safety, !done && cond,
Sqrt((r - hype.fEndOuterRadius) * (r - hype.fEndOuterRadius) + (sigz) * (sigz)));
done |= cond;
if (vecCore::MaskFull(done)) return;
cond = (sigz > kHalfTolerance) && (r < hype.fEndInnerRadius);
vecCore__MaskedAssignFunc(safety, !done && cond,
Sqrt((r - hype.fEndInnerRadius) * (r - hype.fEndInnerRadius) + (sigz) * (sigz)));
done |= cond;
if (vecCore::MaskFull(done)) return;
cond =
(r2 > ((hype.fRmax2 + hype.fTOut2 * absZ * absZ) + kHalfTolerance)) && (absZ > Real_v(0.)) && (absZ < hype.fDz);
vecCore__MaskedAssignFunc(safety, !done && cond,
HypeUtilities::ApproxDistOutside<Real_v>(r, absZ, hype.fRmax, hype.fTOut));
done |= cond;
if (vecCore::MaskFull(done)) return;
vecCore__MaskedAssignFunc(safety,
!done && (r2 < ((hype.fRmin2 + hype.fTIn2 * absZ * absZ) - kHalfTolerance)) &&
(absZ > Real_v(0.)) && (absZ < hype.fDz),
HypeUtilities::ApproxDistInside<Real_v>(r, absZ, hype.fRmin, hype.fTIn2));
}
template <class Real_v>
VECCORE_ATT_HOST_DEVICE
static void SafetyToOut(UnplacedStruct_t const &hype, Vector3D<Real_v> const &point, Real_v &safety)
{
using namespace ::vecgeom::HypeTypes;
using Bool_v = typename vecCore::Mask_v<Real_v>;
safety = 0.;
Real_v r = Sqrt(point.x() * point.x() + point.y() * point.y());
Real_v absZ = Abs(point.z());
Bool_v inside(false), outside(false);
Bool_v done(false);
Real_v distZ(0.), distInner(0.), distOuter(0.);
safety = 0.;
GenericKernelForContainsAndInside<Real_v, Bool_v, true>(hype, point, inside, outside);
done = (!inside && !outside);
if (vecCore::MaskFull(done)) return;
vecCore__MaskedAssignFunc(safety, outside, Real_v(-1.0));
done |= outside;
if (vecCore::MaskFull(done)) return;
vecCore__MaskedAssignFunc(distZ, !done && inside, Abs(Abs(point.z()) - hype.fDz));
if (checkInnerSurfaceTreatment<hypeTypeT>(hype) && hype.fStIn) {
vecCore__MaskedAssignFunc(distInner, !done && inside,
HypeUtilities::ApproxDistOutside<Real_v>(r, absZ, hype.fRmin, hype.fTIn));
}
if (checkInnerSurfaceTreatment<hypeTypeT>(hype) && !hype.fStIn) {
vecCore__MaskedAssignFunc(distInner, !done && inside, (r - hype.fRmin));
}
if (!checkInnerSurfaceTreatment<hypeTypeT>(hype) && !hype.fStIn) {
vecCore__MaskedAssignFunc(distInner, !done && inside, InfinityLength<Real_v>());
}
vecCore__MaskedAssignFunc(distOuter, !done && inside,
HypeUtilities::ApproxDistInside<Real_v>(r, absZ, hype.fRmax, hype.fTOut2));
safety = Min(distInner, distOuter);
safety = Min(safety, distZ);
}
};
} // namespace VECGEOM_IMPL_NAMESPACE
} // namespace vecgeom
#endif // VECGEOM_VOLUMES_KERNEL_HYPEIMPLEMENTATION_H_
|
