From 954acac17d0c72a8fff07c81e39879dc9c88b7e3 Mon Sep 17 00:00:00 2001
From: Maximilian Reininghaus <maximilian.reininghaus@kit.edu>
Date: Fri, 26 Apr 2019 19:51:46 -0300
Subject: [PATCH] restructured test
---
Processes/UrQMD/UrQMD.cc | 15 ++---
Processes/UrQMD/UrQMD.h | 3 +-
Processes/UrQMD/testUrQMD.cc | 120 ++++++++++++++++++++++-------------
3 files changed, 83 insertions(+), 55 deletions(-)
diff --git a/Processes/UrQMD/UrQMD.cc b/Processes/UrQMD/UrQMD.cc
index 452714fd8..391986be6 100644
--- a/Processes/UrQMD/UrQMD.cc
+++ b/Processes/UrQMD/UrQMD.cc
@@ -25,22 +25,22 @@ template <typename TParticle> // need template here, as this is called both with
// SetupParticle as well as SetupProjectile
CrossSectionType UrQMD::GetCrossSection(
TParticle const& vProjectile,
- corsika::particles::Code vTargetCode,
- corsika::units::si::HEPEnergyType vProjectileEnergyLab)
+ corsika::particles::Code vTargetCode)
const {
using namespace units::si;
// TODO: energy cuts, return 0 for non-hadrons
auto const projectileCode = vProjectile.GetPID();
+ auto const projectileEnergyLab = vProjectile.GetEnergy();
// the following is a translation of ptsigtot() into C++
if (projectileCode != particles::Code::Nucleus &&
!IsNucleus(vTargetCode)) { // both particles are "special"
auto const mProj = particles::GetMass(projectileCode);
auto const mTar = particles::GetMass(vTargetCode);
- double sqrtS = sqrt(detail::static_pow<2>(mProj) + detail::static_pow<2>(mTar) +
- 2 * vProjectileEnergyLab * mTar) *
+ double sqrtS = sqrt(units::si::detail::static_pow<2>(mProj) + units::si::detail::static_pow<2>(mTar) +
+ 2 * projectileEnergyLab * mTar) *
(1 / 1_GeV);
// we must set some UrQMD globals first...
@@ -61,7 +61,7 @@ template <typename TParticle> // need template here, as this is called both with
int const At = IsNucleus(vTargetCode) ? particles::GetNucleusA(vTargetCode) : 1;
double const maxImpact = nucrad_(Ap) + nucrad_(At) + 2 * options_.CTParam[30 - 1];
- return 10_mb * M_PI * detail::static_pow<2>(maxImpact);
+ return 10_mb * M_PI * units::si::detail::static_pow<2>(maxImpact);
// is a constant cross-section really reasonable?
}
}
@@ -72,8 +72,7 @@ GrammageType UrQMD::GetInteractionLength(SetupParticle& vParticle, SetupTrack&)
using namespace std::placeholders;
CrossSectionType const weightedProdCrossSection = mediumComposition.WeightedSum(
- std::bind(&UrQMD::GetCrossSection<decltype(vParticle)>, this, vParticle, _1,
- vParticle.GetEnergy()));
+ std::bind(&UrQMD::GetCrossSection<decltype(vParticle)>, this, vParticle, _1));
return mediumComposition.GetAverageMassNumber() * units::constants::u /
weightedProdCrossSection;
@@ -97,7 +96,7 @@ corsika::process::EProcessReturn UrQMD::DoInteraction(SetupProjectile& vProjecti
crossSections.reserve(components.size());
for (auto const c : components) {
- crossSections.push_back(GetCrossSection(vProjectile, c, projectileEnergyLab));
+ crossSections.push_back(GetCrossSection(vProjectile, c));
}
return crossSections;
diff --git a/Processes/UrQMD/UrQMD.h b/Processes/UrQMD/UrQMD.h
index c32082a83..798d86d7a 100644
--- a/Processes/UrQMD/UrQMD.h
+++ b/Processes/UrQMD/UrQMD.h
@@ -20,8 +20,7 @@ namespace corsika::process::UrQMD {
template <typename TParticle>
corsika::units::si::CrossSectionType GetCrossSection(
- TParticle const&, corsika::particles::Code,
- corsika::units::si::HEPEnergyType) const;
+ TParticle const&, corsika::particles::Code) const;
corsika::process::EProcessReturn DoInteraction(
corsika::setup::StackView::StackIterator&);
diff --git a/Processes/UrQMD/testUrQMD.cc b/Processes/UrQMD/testUrQMD.cc
index fec1f3ea0..6c151b49c 100644
--- a/Processes/UrQMD/testUrQMD.cc
+++ b/Processes/UrQMD/testUrQMD.cc
@@ -28,6 +28,8 @@
#include <corsika/environment/HomogeneousMedium.h>
#include <corsika/environment/NuclearComposition.h>
+#include <tuple>
+
#define CATCH_CONFIG_MAIN // This tells Catch to provide a main() - only do this in one
// cpp file
#include <catch2/catch.hpp>
@@ -52,15 +54,12 @@ auto sumCharge(TStack& stack) {
return totalCharge;
}
-TEST_CASE("UrQMD") {
- feenableexcept(FE_INVALID);
- corsika::random::RNGManager::GetInstance().RegisterRandomStream("UrQMD");
- UrQMD urqmd;
- // setup environment, geometry
- environment::Environment<environment::IMediumModel> env;
- auto& universe = *(env.GetUniverse());
- const geometry::CoordinateSystem& cs = env.GetCoordinateSystem();
+auto setupEnvironment(particles::Code vTargetCode) {
+ // setup environment, geometry
+ auto env = std::make_unique<environment::Environment<environment::IMediumModel>>();
+ auto& universe = *(env->GetUniverse());
+ const geometry::CoordinateSystem& cs = env->GetCoordinateSystem();
auto theMedium =
environment::Environment<environment::IMediumModel>::CreateNode<geometry::Sphere>(
@@ -71,59 +70,90 @@ TEST_CASE("UrQMD") {
theMedium->SetModelProperties<MyHomogeneousModel>(
1_kg / (1_m * 1_m * 1_m),
environment::NuclearComposition(
- std::vector<particles::Code>{particles::Code::Oxygen}, std::vector<float>{1.}));
+ std::vector<particles::Code>{vTargetCode}, std::vector<float>{1.}));
auto const* nodePtr = theMedium.get();
universe.AddChild(std::move(theMedium));
+
+ return std::make_tuple(std::move(env), &cs, nodePtr);
+}
- geometry::Point const origin(cs, {0_m, 0_m, 0_m});
- geometry::Vector<units::si::SpeedType::dimension_type> v(cs, 0_m / second, 0_m / second,
- 1_m / second);
- geometry::Line line(origin, v);
- geometry::Trajectory<geometry::Line> track(line, 10_s);
-
- const HEPEnergyType P0 = 1000_GeV;
- auto pLab = corsika::stack::MomentumVector(cs, {P0, 0_GeV, 0_GeV});
-
- SECTION("nucleon projectile") {
- setup::Stack stack;
-
- unsigned short constexpr A = 16, Z = 8;
+template <typename TNodeType>
+auto setupStack(int vA, int vZ, HEPEnergyType vMomentum, TNodeType* vNodePtr, geometry::CoordinateSystem const& cs) {
+ auto stack = std::make_unique<setup::Stack>();
auto constexpr mN = corsika::units::constants::nucleonMass;
- HEPMomentumType E0 = sqrt(A * A * mN * mN + P0 * P0);
+
+ geometry::Point const origin(cs, {0_m, 0_m, 0_m});
+ corsika::stack::MomentumVector const pLab(cs, {vMomentum, 0_GeV, 0_GeV});
+
+ HEPEnergyType const E0 = sqrt(units::si::detail::static_pow<2>(mN*vA) + pLab.squaredNorm());
auto particle =
- stack.AddParticle(std::tuple<particles::Code, units::si::HEPEnergyType,
+ stack->AddParticle(std::tuple<particles::Code, units::si::HEPEnergyType,
corsika::stack::MomentumVector, geometry::Point,
units::si::TimeType, unsigned short, unsigned short>{
- particles::Code::Nucleus, E0, pLab, origin, 0_ns, A, Z});
+ particles::Code::Nucleus, E0, pLab, origin, 0_ns, vA, vZ});
- particle.SetNode(nodePtr);
- corsika::stack::SecondaryView view(particle);
- auto projectile = view.GetProjectile();
+ particle.SetNode(vNodePtr);
+ return std::make_tuple(std::move(stack), std::make_unique<decltype(corsika::stack::SecondaryView(particle))>(particle));
+}
+
+template <typename TNodeType>
+auto setupStack(particles::Code vProjectileType, HEPEnergyType vMomentum, TNodeType* vNodePtr, geometry::CoordinateSystem const& cs) {
+ auto stack = std::make_unique<setup::Stack>();
+
+ geometry::Point const origin(cs, {0_m, 0_m, 0_m});
+ corsika::stack::MomentumVector const pLab(cs, {vMomentum, 0_GeV, 0_GeV});
+
+ HEPEnergyType const E0 = sqrt(units::si::detail::static_pow<2>(particles::GetMass(vProjectileType)) + pLab.squaredNorm());
+ auto particle =
+ stack->AddParticle(std::tuple<particles::Code, units::si::HEPEnergyType,
+ corsika::stack::MomentumVector, geometry::Point,
+ units::si::TimeType>{
+ vProjectileType, E0, pLab, origin, 0_ns});
+
+ particle.SetNode(vNodePtr);
+ return std::make_tuple(std::move(stack), std::make_unique<decltype(corsika::stack::SecondaryView(particle))>(particle));
+}
+
+//~ int main() {
+TEST_CASE("UrQMD") {
+ feenableexcept(FE_INVALID);
+ corsika::random::RNGManager::GetInstance().RegisterRandomStream("UrQMD");
+ UrQMD urqmd;
+
+ SECTION("cross sections") {
+ auto [env, csPtr, nodePtr] = setupEnvironment(particles::Code::Invalid);
+ auto const& cs = *csPtr;
+
+ particles::Code validProjectileCodes[] = {particles::Code::PiPlus, particles::Code::PiMinus,
+ particles::Code::Proton, particles::Code::Neutron};
+
+ for (auto code: validProjectileCodes) {
+ auto [stack, view] = setupStack(code, 100_GeV, nodePtr, cs);
+ REQUIRE( stack->GetSize() == 1);
+
+ // simple check whether the cross-section is non-vanishing
+ REQUIRE(urqmd.GetCrossSection(view->GetProjectile(), particles::Code::Proton) / 1_mb > 0);
+ REQUIRE(urqmd.GetCrossSection(view->GetProjectile(), particles::Code::Nitrogen) / 1_mb > 0);
+ REQUIRE(urqmd.GetCrossSection(view->GetProjectile(), particles::Code::Oxygen) / 1_mb > 0);
+ REQUIRE(urqmd.GetCrossSection(view->GetProjectile(), particles::Code::Nitrogen) / 1_mb > 0);
+ }
+ }
+
+ SECTION("nucleon projectile") {
+ unsigned short constexpr A = 16, Z = 8;
[[maybe_unused]] process::EProcessReturn const ret = urqmd.DoInteraction(projectile);
REQUIRE(sumCharge(stack) == Z + particles::GetChargeNumber(particles::Code::Oxygen));
}
- SECTION("\"special\" projectile") {
+ //~ SECTION("\"special\" projectile") {
- setup::Stack stack;
- auto constexpr code = particles::Code::PiPlus;
- auto constexpr mass = particles::GetMass(code);
- HEPMomentumType E0 = sqrt(mass * mass + pLab.squaredNorm());
- auto particle = stack.AddParticle(
- std::tuple<particles::Code, units::si::HEPEnergyType,
- corsika::stack::MomentumVector, geometry::Point, units::si::TimeType>{
- code, E0, pLab, origin, 0_ns});
- particle.SetNode(nodePtr);
- corsika::stack::SecondaryView view(particle);
- auto projectile = view.GetProjectile();
+ //~ [[maybe_unused]] process::EProcessReturn const ret = urqmd.DoInteraction(projectile);
- [[maybe_unused]] process::EProcessReturn const ret = urqmd.DoInteraction(projectile);
-
- REQUIRE(sumCharge(stack) == particles::GetChargeNumber(particles::Code::PiPlus) +
- particles::GetChargeNumber(particles::Code::Oxygen));
- }
+ //~ REQUIRE(sumCharge(stack) == particles::GetChargeNumber(particles::Code::PiPlus) +
+ //~ particles::GetChargeNumber(particles::Code::Oxygen));
+ //~ }
}
--
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