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/*
* HypeUtilities.h
*
* Created on: Jun 19, 2017
* Author: rsehgal
*/
#ifndef VOLUMES_HYPEUTILITIES_H_
#define VOLUMES_HYPEUTILITIES_H_
#include "VecGeom/base/Global.h"
#include "VecGeom/volumes/Wedge_Evolution.h"
#include "VecGeom/base/Vector3D.h"
#include "VecGeom/volumes/kernel/GenericKernels.h"
#include "VecGeom/volumes/kernel/shapetypes/HypeTypes.h"
#include <cstdio>
namespace vecgeom {
inline namespace VECGEOM_IMPL_NAMESPACE {
class UnplacedHype;
template <typename T>
struct HypeStruct;
namespace HypeUtilities {
using UnplacedStruct_t = HypeStruct<Precision>;
template <typename Real_v, typename hypeType>
VECCORE_ATT_HOST_DEVICE
typename vecCore::Mask_v<Real_v> IsCompletelyOutside(UnplacedStruct_t const &hype, Vector3D<Real_v> const &point)
{
using namespace ::vecgeom::HypeTypes;
using Bool_v = typename vecCore::Mask_v<Real_v>;
Real_v r2 = point.Perp2();
Real_v oRad2 = (hype.fRmax2 + hype.fTOut2 * point.z() * point.z());
Bool_v completelyoutside = (Abs(point.z()) > (hype.fDz + hype.zToleranceLevel));
if (vecCore::MaskFull(completelyoutside)) return completelyoutside;
completelyoutside |= (r2 > oRad2 + hype.outerRadToleranceLevel);
if (vecCore::MaskFull(completelyoutside)) return completelyoutside;
// if (hype.InnerSurfaceExists()) {
if (checkInnerSurfaceTreatment<hypeType>(hype)) {
Real_v iRad2 = (hype.fRmin2 + hype.fTIn2 * point.z() * point.z());
completelyoutside |= (r2 < (iRad2 - hype.innerRadToleranceLevel));
}
return completelyoutside;
}
template <typename Real_v, typename hypeType>
VECCORE_ATT_HOST_DEVICE
typename vecCore::Mask_v<Real_v> IsCompletelyInside(UnplacedStruct_t const &hype, Vector3D<Real_v> const &point)
{
using namespace ::vecgeom::HypeTypes;
using Bool_v = typename vecCore::Mask_v<Real_v>;
Real_v r2 = point.Perp2();
Real_v oRad2 = (hype.fRmax2 + hype.fTOut2 * point.z() * point.z());
Bool_v completelyinside =
(Abs(point.z()) < (hype.fDz - hype.zToleranceLevel)) && (r2 < oRad2 - hype.outerRadToleranceLevel);
// if (hype.InnerSurfaceExists()) {
if (checkInnerSurfaceTreatment<hypeType>(hype)) {
Real_v iRad2 = (hype.fRmin2 + hype.fTIn2 * point.z() * point.z());
completelyinside &= (r2 > (iRad2 + hype.innerRadToleranceLevel));
}
return completelyinside;
}
template <typename Real_v, bool ForInnerRad>
VECCORE_ATT_HOST_DEVICE
Real_v RadiusHypeSq(UnplacedStruct_t const &hype, Real_v z)
{
if (ForInnerRad)
return (hype.fRmin2 + hype.fTIn2 * z * z);
else
return (hype.fRmax2 + hype.fTOut2 * z * z);
}
template <typename Real_v>
VECCORE_ATT_HOST_DEVICE
typename vecCore::Mask_v<Real_v> IsPointMovingInsideOuterSurface(UnplacedStruct_t const &hype,
Vector3D<Real_v> const &point,
Vector3D<Real_v> const &direction)
{
Real_v pz = point.z();
Real_v vz = direction.z();
vecCore__MaskedAssignFunc(vz, pz < Real_v(0.), -vz);
vecCore__MaskedAssignFunc(pz, pz < Real_v(0.), -pz);
return ((point.x() * direction.x() + point.y() * direction.y() - pz * hype.fTOut2 * vz) < Real_v(0.));
}
template <typename Real_v>
VECCORE_ATT_HOST_DEVICE
typename vecCore::Mask_v<Real_v> IsPointMovingInsideInnerSurface(UnplacedStruct_t const &hype,
Vector3D<Real_v> const &point,
Vector3D<Real_v> const &direction)
{
Real_v pz = point.z();
Real_v vz = direction.z();
vecCore__MaskedAssignFunc(vz, pz < Real_v(0.), -vz);
vecCore__MaskedAssignFunc(pz, pz < Real_v(0.), -pz);
// Precision tanInnerStereo2 = hype.GetTIn2();
return ((point.x() * direction.x() + point.y() * direction.y() - pz * hype.fTIn2 * vz) > Real_v(0.));
}
template <typename Real_v, typename hypeType>
VECCORE_ATT_HOST_DEVICE
typename vecCore::Mask_v<Real_v> IsPointOnSurfaceAndMovingInside(UnplacedStruct_t const &hype,
Vector3D<Real_v> const &point,
Vector3D<Real_v> const &direction)
{
using namespace ::vecgeom::HypeTypes;
using Bool_v = typename vecCore::Mask_v<Real_v>;
Bool_v innerHypeSurf(false), outerHypeSurf(false), zSurf(false);
Bool_v done(false);
Real_v rho2 = point.Perp2();
Real_v radI2 = RadiusHypeSq<Real_v, true>(hype, point.z());
Real_v radO2 = RadiusHypeSq<Real_v, false>(hype, point.z());
Bool_v in(false);
zSurf = ((rho2 - hype.fEndOuterRadius2) < kTolerance) && ((hype.fEndInnerRadius2 - rho2) < kTolerance) &&
(Abs(Abs(point.z()) - hype.fDz) < kTolerance);
in |= (zSurf && (point.z() * direction.z() < Real_v(0.)));
done |= zSurf;
if (vecCore::MaskFull(done)) return in;
outerHypeSurf |= (!zSurf && (Abs((radO2) - (rho2)) < hype.outerRadToleranceLevel));
in |= (!done && outerHypeSurf && IsPointMovingInsideOuterSurface<Real_v>(hype, point, direction));
// if (hype.InnerSurfaceExists()) {
if (checkInnerSurfaceTreatment<hypeType>(hype)) {
done |= (!zSurf && outerHypeSurf);
if (vecCore::MaskFull(done)) return in;
innerHypeSurf |= (!zSurf && !outerHypeSurf && (Abs((radI2) - (rho2)) < hype.innerRadToleranceLevel));
in |= (!done && !zSurf && innerHypeSurf && IsPointMovingInsideInnerSurface<Real_v>(hype, point, direction));
done |= (!zSurf && innerHypeSurf);
if (vecCore::MaskFull(done)) return in;
}
return in;
}
template <typename Real_v, typename hypeType, bool ForDistToIn>
VECCORE_ATT_HOST_DEVICE
typename vecCore::Mask_v<Real_v> GetPointOfIntersectionWithZPlane(UnplacedStruct_t const &hype,
Vector3D<Real_v> const &point,
Vector3D<Real_v> const &direction, Real_v &zDist)
{
using namespace ::vecgeom::HypeTypes;
zDist = (Sign(ForDistToIn ? point.z() : direction.z()) * hype.fDz - point.z()) / NonZero(direction.z());
auto r2 = (point + zDist * direction).Perp2();
// if (!hype.InnerSurfaceExists())
if (!checkInnerSurfaceTreatment<hypeType>(hype))
return (r2 < hype.fEndOuterRadius2);
else
return ((r2 < hype.fEndOuterRadius2) && (r2 > hype.fEndInnerRadius2));
}
template <typename Real_v>
VECCORE_ATT_HOST_DEVICE
typename vecCore::Mask_v<Real_v> IsPointMovingOutsideOuterSurface(UnplacedStruct_t const &hype,
Vector3D<Real_v> const &point,
Vector3D<Real_v> const &direction)
{
using Bool_v = typename vecCore::Mask_v<Real_v>;
Bool_v out(false);
Real_v pz = point.z();
Real_v vz = direction.z();
vecCore__MaskedAssignFunc(pz, vz < Real_v(0.), -pz);
vecCore__MaskedAssignFunc(vz, vz < Real_v(0.), -vz);
Vector3D<Real_v> normHere(point.x(), point.y(), -point.z() * hype.fTOut2);
out = (normHere.Dot(direction) > Real_v(0.));
return out;
}
template <typename Real_v>
VECCORE_ATT_HOST_DEVICE
typename vecCore::Mask_v<Real_v> IsPointMovingOutsideInnerSurface(UnplacedStruct_t const &hype,
Vector3D<Real_v> const &point,
Vector3D<Real_v> const &direction)
{
Real_v pz = point.z();
Real_v vz = direction.z();
vecCore__MaskedAssignFunc(pz, vz < Real_v(0.), -pz);
vecCore__MaskedAssignFunc(vz, vz < Real_v(0.), -vz);
Vector3D<Real_v> normHere(-point.x(), -point.y(), point.z() * hype.fTIn2);
return (normHere.Dot(direction) > Real_v(0.));
}
template <typename Real_v>
VECCORE_ATT_HOST_DEVICE
typename vecCore::Mask_v<Real_v> IsPointOnOuterSurfaceAndMovingOutside(UnplacedStruct_t const &hype,
Vector3D<Real_v> const &point,
Vector3D<Real_v> const &direction)
{
using Bool_v = typename vecCore::Mask_v<Real_v>;
Real_v rho2 = point.x() * point.x() + point.y() * point.y();
Real_v absZ = Abs(point.z());
Real_v radO2 = RadiusHypeSq<Real_v, false>(hype, point.z());
Bool_v out(false), outerHypeSurf(false);
outerHypeSurf = (Abs((radO2) - (rho2)) < hype.outerRadToleranceLevel) && (absZ >= Real_v(0.)) && (absZ < hype.fDz);
out = outerHypeSurf && IsPointMovingOutsideOuterSurface<Real_v>(hype, point, direction);
return out;
}
template <typename Real_v, typename hypeType>
VECCORE_ATT_HOST_DEVICE
typename vecCore::Mask_v<Real_v> IsPointOnInnerSurfaceAndMovingOutside(UnplacedStruct_t const &hype,
Vector3D<Real_v> const &point,
Vector3D<Real_v> const &direction)
{
using namespace ::vecgeom::HypeTypes;
using Bool_v = typename vecCore::Mask_v<Real_v>;
Real_v rho2 = point.x() * point.x() + point.y() * point.y();
Real_v absZ = Abs(point.z());
Real_v radI2 = RadiusHypeSq<Real_v, true>(hype, point.z());
Bool_v out(false), innerHypeSurf(false);
// if (hype.InnerSurfaceExists()) {
if (checkInnerSurfaceTreatment<hypeType>(hype)) {
innerHypeSurf = (Abs((radI2) - (rho2)) < hype.innerRadToleranceLevel) && (absZ >= Real_v(0.)) && (absZ < hype.fDz);
out = innerHypeSurf && HypeUtilities::IsPointMovingOutsideInnerSurface<Real_v>(hype, point, direction);
}
return out;
}
template <typename Real_v, typename hypeType>
VECCORE_ATT_HOST_DEVICE
typename vecCore::Mask_v<Real_v> IsPointOnSurfaceAndMovingOutside(UnplacedStruct_t const &hype,
Vector3D<Real_v> const &point,
Vector3D<Real_v> const &direction)
{
using namespace ::vecgeom::HypeTypes;
using Bool_v = typename vecCore::Mask_v<Real_v>;
Bool_v innerHypeSurf(false), outerHypeSurf(false), zSurf(false);
Bool_v done(false);
Real_v rho2 = point.x() * point.x() + point.y() * point.y();
Real_v radI2 = RadiusHypeSq<Real_v, true>(hype, point.z());
Real_v radO2 = RadiusHypeSq<Real_v, false>(hype, point.z());
Bool_v out(false);
// zSurf = ((hype.fEndOuterRadius2 - rho2) < kTolerance) && ((rho2 - hype.fEndInnerRadius2) < kTolerance) &&
// (Abs(Abs(point.z()) - hype.fDz) < kTolerance);
zSurf = ((rho2 - hype.fEndOuterRadius2) < kTolerance) && ((hype.fEndInnerRadius2 - rho2) < kTolerance) &&
(Abs(Abs(point.z()) - hype.fDz) < kTolerance);
out |= (zSurf && (point.z() * direction.z() > Real_v(0.)));
// done |= zSurf;
done = out;
if (vecCore::MaskFull(done)) return out;
outerHypeSurf |= !done && (Abs(radO2 - rho2) < hype.outerRadToleranceLevel);
// out |= (!done && !zSurf && outerHypeSurf &&
out |= (outerHypeSurf && HypeUtilities::IsPointMovingOutsideOuterSurface<Real_v>(hype, point, direction));
// done |= (!zSurf && outerHypeSurf);
done |= out;
if (vecCore::MaskFull(done)) return out;
// if (hype.InnerSurfaceExists()) {
if (checkInnerSurfaceTreatment<hypeType>(hype)) {
// innerHypeSurf |= (!done && !zSurf && !outerHypeSurf && (Abs((radI2) - (rho2)) < hype.innerRadToleranceLevel));
innerHypeSurf |= (!done && (Abs(radI2 - rho2) < hype.innerRadToleranceLevel));
// out |= (!done && !zSurf && innerHypeSurf &&
out |= (innerHypeSurf && HypeUtilities::IsPointMovingOutsideInnerSurface<Real_v>(hype, point, direction));
// done |= (!zSurf && innerHypeSurf);
done |= out;
if (vecCore::MaskFull(done)) return out;
}
return out;
}
template <typename Real_v>
VECCORE_ATT_HOST_DEVICE
Real_v ApproxDistOutside(Real_v pr, Real_v pz, Precision r0, Precision tanPhi)
{
Real_v r1 = Sqrt(r0 * r0 + tanPhi * tanPhi * pz * pz);
Real_v z1 = pz;
Real_v r2 = pr;
Real_v z2 = Sqrt((pr * pr - r0 * r0) / (tanPhi * tanPhi));
Real_v dz = z2 - z1;
Real_v dr = r2 - r1;
Real_v r3 = Sqrt(dr * dr + dz * dz);
auto mask = r3 < vecCore::NumericLimits<Real_v>::Min();
return vecCore::Blend(mask, (r2 - r1), (r2 - r1) * dz / r3);
}
template <typename Real_v>
VECCORE_ATT_HOST_DEVICE
Real_v ApproxDistInside(Real_v pr, Real_v pz, Precision r0, Precision tan2Phi)
{
using Bool_v = typename vecCore::Mask_v<Real_v>;
Bool_v done(false);
Real_v ret(0.);
Real_v tan2Phi_v(tan2Phi);
vecCore__MaskedAssignFunc(ret, (tan2Phi_v < vecCore::NumericLimits<Real_v>::Min()), r0 - pr);
done |= (tan2Phi_v < vecCore::NumericLimits<Real_v>::Min());
if (vecCore::MaskFull(done)) return ret;
Real_v rh = Sqrt(r0 * r0 + pz * pz * tan2Phi_v);
Real_v dr = -rh;
Real_v dz = pz * tan2Phi_v;
Real_v len = Sqrt(dr * dr + dz * dz);
vecCore__MaskedAssignFunc(ret, !done, Abs((pr - rh) * dr) / len);
return ret;
}
} // namespace HypeUtilities
/* This class is basically constructed to allow partial specialization
* for Scalar Backend.
*/
template <class Real_v, bool ForDistToIn, bool ForInnerSurface>
class HypeHelpers {
public:
HypeHelpers() {}
~HypeHelpers() {}
VECCORE_ATT_HOST_DEVICE
static typename vecCore::Mask_v<Real_v> GetPointOfIntersectionWithHyperbolicSurface(HypeStruct<Precision> const &hype,
Vector3D<Real_v> const &point,
Vector3D<Real_v> const &direction,
Real_v &dist)
{
using Bool_v = typename vecCore::Mask_v<Real_v>;
if (ForInnerSurface) {
Real_v a = direction.Perp2() - hype.fTIn2 * direction.z() * direction.z();
Real_v b = (direction.x() * point.x() + direction.y() * point.y() - hype.fTIn2 * direction.z() * point.z());
Real_v c = point.Perp2() - hype.fTIn2 * point.z() * point.z() - hype.fRmin2;
Bool_v exist = (b * b - a * c > Real_v(0.));
if (ForDistToIn) {
vecCore__MaskedAssignFunc(dist, exist && b < Real_v(0.), ((-b + Sqrt(b * b - a * c)) / (a)));
vecCore__MaskedAssignFunc(dist, exist && b >= Real_v(0.), ((c) / (-b - Sqrt(b * b - a * c))));
} else {
vecCore__MaskedAssignFunc(dist, exist && b > Real_v(0.), ((-b - Sqrt(b * b - a * c)) / (a)));
vecCore__MaskedAssignFunc(dist, exist && b <= Real_v(0.), ((c) / (-b + Sqrt(b * b - a * c))));
}
} else {
Real_v a = direction.Perp2() - hype.fTOut2 * direction.z() * direction.z();
Real_v b = (direction.x() * point.x() + direction.y() * point.y() - hype.fTOut2 * direction.z() * point.z());
Real_v c = point.Perp2() - hype.fTOut2 * point.z() * point.z() - hype.fRmax2;
Bool_v exist = (b * b - a * c > Real_v(0.));
if (ForDistToIn) {
vecCore__MaskedAssignFunc(dist, exist && b >= Real_v(0.), ((-b - Sqrt(b * b - a * c)) / (a)));
vecCore__MaskedAssignFunc(dist, exist && b < Real_v(0.), ((c) / (-b + Sqrt(b * b - a * c))));
} else {
vecCore__MaskedAssignFunc(dist, exist && b < Real_v(0.), ((-b + Sqrt(b * b - a * c)) / (a)));
vecCore__MaskedAssignFunc(dist, exist && b >= Real_v(0.), ((c) / (-b - Sqrt(b * b - a * c))));
}
}
vecCore__MaskedAssignFunc(dist, dist < Real_v(0.), InfinityLength<Real_v>());
Real_v newPtZ = point.z() + dist * direction.z();
return (Abs(newPtZ) <= hype.fDz);
}
};
template <bool ForDistToIn, bool ForInnerSurface>
class HypeHelpers<Precision, ForDistToIn, ForInnerSurface> {
public:
HypeHelpers() {}
~HypeHelpers() {}
VECCORE_ATT_HOST_DEVICE
static bool GetPointOfIntersectionWithHyperbolicSurface(HypeStruct<Precision> const &hype,
Vector3D<Precision> const &point,
Vector3D<Precision> const &direction, Precision &dist)
{
if (ForInnerSurface) {
Precision a = direction.Perp2() - hype.fTIn2 * direction.z() * direction.z();
Precision b = (direction.x() * point.x() + direction.y() * point.y() - hype.fTIn2 * direction.z() * point.z());
Precision c = point.Perp2() - hype.fTIn2 * point.z() * point.z() - hype.fRmin2;
bool exist = (b * b - a * c > 0.);
if (exist) {
if (ForDistToIn) {
if (b < 0.)
dist = ((-b + Sqrt(b * b - a * c)) / (a));
else
dist = ((c) / (-b - Sqrt(b * b - a * c)));
} else {
if (b > 0.)
dist = ((-b - Sqrt(b * b - a * c)) / (a));
else
dist = ((c) / (-b + Sqrt(b * b - a * c)));
}
} else
return false;
} else {
Precision a = direction.Perp2() - hype.fTOut2 * direction.z() * direction.z();
Precision b = (direction.x() * point.x() + direction.y() * point.y() - hype.fTOut2 * direction.z() * point.z());
Precision c = point.Perp2() - hype.fTOut2 * point.z() * point.z() - hype.fRmax2;
bool exist = (b * b - a * c > 0.);
if (exist) {
if (ForDistToIn) {
if (b >= 0.)
dist = ((-b - Sqrt(b * b - a * c)) / (a));
else
dist = ((c) / (-b + Sqrt(b * b - a * c)));
} else {
if (b < 0.)
dist = ((-b + Sqrt(b * b - a * c)) / a);
else
dist = (c / (-b - Sqrt(b * b - a * c)));
}
} else
return false;
}
if (dist < 0.) dist = kInfLength;
// vecCore__MaskedAssignFunc(dist, dist < 0.0, InfinityLength<Real_v>());
Precision newPtZ = point.z() + dist * direction.z();
return (Abs(newPtZ) <= hype.fDz);
}
};
} // namespace VECGEOM_IMPL_NAMESPACE
} // namespace vecgeom
#endif /* VOLUMES_HYPEUTILITIES_H_ */
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