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/*
* SphereStruct.h
*
* Created on: Jul 10, 2017
* Author: rsehgal
*/
#ifndef VECGEOM_SPHERESTRUCT_H_
#define VECGEOM_SPHERESTRUCT_H_
#include "VecGeom/volumes/Wedge_Evolution.h"
//#include "VecGeom/volumes/Wedge.h"
//#include "VecGeom/volumes/ThetaCone.h"
#include "VecGeom/volumes/ThetaCone_Evolution.h"
#include "VecGeom/base/Global.h"
namespace vecgeom {
inline namespace VECGEOM_IMPL_NAMESPACE {
template <typename T = double>
struct SphereStruct {
T fRmin;
T fRmax;
T fSPhi;
T fDPhi;
T fSTheta;
T fDTheta;
// Radial and angular tolerances
Precision fRminTolerance, mkTolerance, //, kAngTolerance, kRadTolerance,
fEpsilon;
// Cached trigonometric values for Phi angle
Precision sinCPhi, cosCPhi, cosHDPhiOT, cosHDPhiIT, sinSPhi, cosSPhi, sinEPhi, cosEPhi, hDPhi, cPhi, ePhi;
// Cached trigonometric values for Theta angle
Precision sinSTheta, cosSTheta, sinETheta, cosETheta, tanSTheta, tanSTheta2, tanETheta, tanETheta2, eTheta;
Precision fabsTanSTheta, fabsTanETheta;
// Flags for identification of section, shell or full sphere
bool fFullPhiSphere, fFullThetaSphere, fFullSphere;
Precision fCubicVolume, fSurfaceArea;
// data members for Theta and Phi
evolution::Wedge fPhiWedge;
ThetaCone fThetaCone;
Precision kAngTolerance;
VECCORE_ATT_HOST_DEVICE
VECGEOM_FORCE_INLINE
void InitializePhiTrigonometry()
{
hDPhi = 0.5 * fDPhi; // half delta phi
cPhi = fSPhi + hDPhi;
ePhi = fSPhi + fDPhi;
sinCPhi = std::sin(cPhi);
cosCPhi = vecCore::math::Cos(cPhi);
cosHDPhiIT = vecCore::math::Cos(hDPhi - 0.5 * kAngTolerance); // inner/outer tol half dphi
cosHDPhiOT = vecCore::math::Cos(hDPhi + 0.5 * kAngTolerance);
sinSPhi = std::sin(fSPhi);
cosSPhi = vecCore::math::Cos(fSPhi);
sinEPhi = std::sin(ePhi);
cosEPhi = vecCore::math::Cos(ePhi);
}
VECCORE_ATT_HOST_DEVICE
VECGEOM_FORCE_INLINE
void InitializeThetaTrigonometry()
{
eTheta = fSTheta + fDTheta;
sinSTheta = std::sin(fSTheta);
cosSTheta = vecCore::math::Cos(fSTheta);
sinETheta = std::sin(eTheta);
cosETheta = vecCore::math::Cos(eTheta);
tanSTheta = sinSTheta / cosSTheta;
fabsTanSTheta = std::fabs(tanSTheta);
tanSTheta2 = tanSTheta * tanSTheta;
tanETheta = sinETheta / cosETheta;
fabsTanETheta = std::fabs(tanETheta);
tanETheta2 = tanETheta * tanETheta;
}
VECCORE_ATT_HOST_DEVICE
VECGEOM_FORCE_INLINE
void CheckThetaAngles(Precision sTheta, Precision dTheta)
{
if ((sTheta < 0) || (sTheta > kPi)) {
// std::ostringstream message;
// message << "sTheta outside 0-PI range." << std::endl
// << "Invalid starting Theta angle for solid: " ;//<< GetName();
// return;
// UUtils::Exception("USphere::CheckThetaAngles()", "GeomSolids0002",
// FatalError, 1, message.str().c_str());
} else {
fSTheta = sTheta;
}
if (dTheta + sTheta >= kPi) {
fDTheta = kPi - sTheta;
} else if (dTheta > 0) {
fDTheta = dTheta;
} else {
/*
std::ostringstream message;
message << "Invalid dTheta." << std::endl
<< "Negative delta-Theta (" << dTheta << "), for solid: ";
return;
*/
//<< GetName();
// UUtils::Exception("USphere::CheckThetaAngles()", "GeomSolids0002",
// FatalError, 1, message.str().c_str());
}
if (fDTheta - fSTheta < kPi) {
fFullThetaSphere = false;
} else {
fFullThetaSphere = true;
}
fFullSphere = fFullPhiSphere && fFullThetaSphere;
InitializeThetaTrigonometry();
}
VECCORE_ATT_HOST_DEVICE
VECGEOM_FORCE_INLINE
void CheckSPhiAngle(Precision sPhi)
{
// Ensure fSphi in 0-2PI or -2PI-0 range if shape crosses 0
if (sPhi < 0) {
fSPhi = 2 * kPi - std::fmod(std::fabs(sPhi), 2 * kPi);
} else {
fSPhi = std::fmod(sPhi, 2 * kPi);
}
if (fSPhi + fDPhi > 2 * kPi) {
fSPhi -= 2 * kPi;
}
}
VECCORE_ATT_HOST_DEVICE
VECGEOM_FORCE_INLINE
void CheckDPhiAngle(Precision dPhi)
{
if (dPhi >= 2 * kPi - kAngTolerance * 0.5) {
fDPhi = 2 * kPi;
fSPhi = 0;
fFullPhiSphere = true;
} else {
fFullPhiSphere = false;
if (dPhi > 0) {
fDPhi = dPhi;
} else {
/*
std::ostringstream message;
message << "Invalid dphi." << std::endl
<< "Negative delta-Phi (" << dPhi << "), for solid: ";
return;
*/
// << GetName();
// UUtils::Exception("USphere::CheckDPhiAngle()", "GeomSolids0002",
// FatalError, 1, message.str().c_str());
}
}
}
VECCORE_ATT_HOST_DEVICE
VECGEOM_FORCE_INLINE
void CheckPhiAngles(Precision sPhi, Precision dPhi)
{
CheckDPhiAngle(dPhi);
// if (!fFullPhiSphere && sPhi) { CheckSPhiAngle(sPhi); }
if (!fFullPhiSphere) {
CheckSPhiAngle(sPhi);
}
fFullSphere = fFullPhiSphere && fFullThetaSphere;
InitializePhiTrigonometry();
}
// VECCORE_ATT_HOST_DEVICE
// VECGEOM_FORCE_INLINE
void SetInsideRadius(Precision newRmin)
{
fRmin = newRmin;
fRminTolerance = (fRmin) ? std::max(kRadTolerance, fEpsilon * fRmin) : 0;
Initialize();
#ifndef VECCORE_CUDA
CalcCapacity();
CalcSurfaceArea();
#endif
}
// VECCORE_ATT_HOST_DEVICE
// VECGEOM_FORCE_INLINE
void SetInnerRadius(Precision newRmin) { SetInsideRadius(newRmin); }
// VECCORE_ATT_HOST_DEVICE
// VECGEOM_FORCE_INLINE
void SetOuterRadius(Precision newRmax)
{
fRmax = newRmax;
mkTolerance = std::max(kRadTolerance,
fEpsilon * fRmax); // RELOOK at kTolerance, may be we will take directly from base/global.h
Initialize();
#ifndef VECCORE_CUDA
CalcCapacity();
CalcSurfaceArea();
#endif
}
// VECCORE_ATT_HOST_DEVICE
// VECGEOM_FORCE_INLINE
void SetStartPhiAngle(Precision newSPhi, bool compute = true)
{
// Flag 'compute' can be used to explicitely avoid recomputation of
// trigonometry in case SetDeltaPhiAngle() is invoked afterwards
CheckSPhiAngle(newSPhi);
fFullPhiSphere = false;
if (compute) {
InitializePhiTrigonometry();
}
Initialize();
#ifndef VECCORE_CUDA
CalcCapacity();
CalcSurfaceArea();
#endif
}
// VECCORE_ATT_HOST_DEVICE
// VECGEOM_FORCE_INLINE
void SetDeltaPhiAngle(Precision newDPhi)
{
CheckPhiAngles(fSPhi, newDPhi);
Initialize();
#ifndef VECCORE_CUDA
CalcCapacity();
CalcSurfaceArea();
#endif
}
// VECCORE_ATT_HOST_DEVICE
// VECGEOM_FORCE_INLINE
void SetStartThetaAngle(Precision newSTheta)
{
CheckThetaAngles(newSTheta, fDTheta);
Initialize();
#ifndef VECCORE_CUDA
CalcCapacity();
CalcSurfaceArea();
#endif
}
// VECCORE_ATT_HOST_DEVICE
// VECGEOM_FORCE_INLINE
void SetDeltaThetaAngle(Precision newDTheta)
{
CheckThetaAngles(fSTheta, newDTheta);
Initialize();
#ifndef VECCORE_CUDA
CalcCapacity();
CalcSurfaceArea();
#endif
}
VECCORE_ATT_HOST_DEVICE
VECGEOM_FORCE_INLINE
void Initialize()
{
fCubicVolume = 0.;
fSurfaceArea = 0.;
}
// Constructor
VECCORE_ATT_HOST_DEVICE
VECGEOM_FORCE_INLINE
SphereStruct(T pRmin, T pRmax, T pSPhi, T pDPhi, T pSTheta, T pDTheta)
: fRmin(pRmin), fRmax(pRmax), fSPhi(pSPhi), fDPhi(pDPhi), fSTheta(pSTheta), fDTheta(pDTheta), fRminTolerance(0),
mkTolerance(0), fEpsilon(kEpsilon), sinCPhi(0), cosCPhi(0), cosHDPhiOT(0), cosHDPhiIT(0), sinSPhi(0),
cosSPhi(0), sinEPhi(0), cosEPhi(0), hDPhi(0), cPhi(0), ePhi(0), sinSTheta(0), cosSTheta(0), sinETheta(0),
cosETheta(0), tanSTheta(0), tanSTheta2(0), tanETheta(0), tanETheta2(0), eTheta(0), fFullPhiSphere(true),
fFullThetaSphere(true), fFullSphere(true), fCubicVolume(0.), fSurfaceArea(0.), fPhiWedge(pDPhi, pSPhi),
fThetaCone(pSTheta, pDTheta)
{
kAngTolerance = 1e-9;
fRminTolerance = (fRmin) ? Max(kRadTolerance, fEpsilon * fRmin) : 0;
mkTolerance = Max(kRadTolerance, fEpsilon * fRmax);
CheckPhiAngles(pSPhi, pDPhi);
CheckThetaAngles(pSTheta, pDTheta);
#ifndef VECCORE_CUDA
CalcCapacity();
CalcSurfaceArea();
#endif
}
VECCORE_ATT_HOST_DEVICE
VECGEOM_FORCE_INLINE
SphereStruct() {}
//#ifndef VECCORE_CUDA
VECCORE_ATT_HOST_DEVICE
VECGEOM_FORCE_INLINE
void CalcCapacity()
{
if (fCubicVolume != 0.) {
;
} else {
fCubicVolume = fDPhi * (vecCore::math::Cos(fSTheta) - vecCore::math::Cos(fSTheta + fDTheta)) *
(fRmax * fRmax * fRmax - fRmin * fRmin * fRmin) / 3.;
}
}
VECCORE_ATT_HOST_DEVICE
VECGEOM_FORCE_INLINE
void CalcSurfaceArea()
{
if (fSurfaceArea != 0.) {
;
} else {
Precision Rsq = fRmax * fRmax;
Precision rsq = fRmin * fRmin;
fSurfaceArea = fDPhi * (rsq + Rsq) * (cosSTheta - cosETheta);
if (!fFullPhiSphere) {
fSurfaceArea = fSurfaceArea + fDTheta * (Rsq - rsq);
}
if (fSTheta > 0) {
Precision acos1 = 0.;
if (fDPhi != kTwoPi)
acos1 = vecCore::math::ACos((sinSTheta * sinSTheta) * vecCore::math::Cos(fDPhi) + (cosSTheta * cosSTheta));
if (fDPhi > kPi) {
fSurfaceArea = fSurfaceArea + 0.5 * (Rsq - rsq) * (2 * kPi - acos1);
} else {
fSurfaceArea = fSurfaceArea + 0.5 * (Rsq - rsq) * acos1;
}
}
if (eTheta < kPi) {
Precision acos2 = 0.;
if (fDPhi != kTwoPi)
acos2 = vecCore::math::ACos((sinETheta * sinETheta) * vecCore::math::Cos(fDPhi) + (cosETheta * cosETheta));
if (fDPhi > kPi) {
fSurfaceArea = fSurfaceArea + 0.5 * (Rsq - rsq) * (2 * kPi - acos2);
} else {
fSurfaceArea = fSurfaceArea + 0.5 * (Rsq - rsq) * acos2;
}
}
}
}
//#endif
};
} // namespace VECGEOM_IMPL_NAMESPACE
} // namespace vecgeom
#endif /* VOLUMES_SPHERESTRUCT_H_ */
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