removed duplicate detail in wrong place

corsika/framework/utility/detail/COMBoost.inl

-/*
- * (c) Copyright 2018 CORSIKA Project, corsika-project@lists.kit.edu
- *
- * This software is distributed under the terms of the GNU General Public
- * Licence version 3 (GPL Version 3). See file LICENSE for a full version of
- * the license.
- */
-
-#pragma once
-
-#include <corsika/framework/geometry/CoordinateSystem.hpp>
-#include <corsika/framework/geometry/FourVector.hpp>
-#include <corsika/framework/geometry/FourVector.hpp>
-#include <corsika/framework/geometry/Vector.hpp>
-#include <corsika/framework/core/PhysicalUnits.hpp>
-#include <corsika/framework/utility/sgn.hpp>
-#include <Eigen/Dense>
-#include "../../core/PhysicalUnits.hpp"
-
-namespace corsika::utl {
-
-  auto const& COMBoost::GetRotationMatrix() const { return fRotation; }
-
-  //! transforms a 4-momentum from lab frame to the center-of-mass frame
-  template <typename FourVector>
-  FourVector COMBoost::toCoM(const FourVector& p) const {
-    using namespace corsika::units::si;
-    auto pComponents = p.GetSpaceLikeComponents().GetComponents(rotatedCS_);
-    Eigen::Vector3d eVecRotated = pComponents.eVector;
-    Eigen::Vector2d lab;
-
-    lab << (p.GetTimeLikeComponent() * (1 / 1_GeV)),
-        (eVecRotated(2) * (1 / 1_GeV).magnitude());
-
-    auto const boostedZ = boost_ * lab;
-    auto const E_CoM = boostedZ(0) * 1_GeV;
-
-    eVecRotated(2) = boostedZ(1) * (1_GeV).magnitude();
-
-    return FourVector(E_CoM,
-                      corsika::geometry::Vector<hepmomentum_d>(rotatedCS_, eVecRotated));
-  }
-
-  //! transforms a 4-momentum from the center-of-mass frame back to lab frame
-  template <typename FourVector>
-  FourVector COMBoost::fromCoM(const FourVector& p) const {
-    using namespace corsika::units::si;
-    auto pCM = p.GetSpaceLikeComponents().GetComponents(rotatedCS_);
-    auto const Ecm = p.GetTimeLikeComponent();
-
-    Eigen::Vector2d com;
-    com << (Ecm * (1 / 1_GeV)), (pCM.eVector(2) * (1 / 1_GeV).magnitude());
-
-    C8LOG_TRACE(
-        "COMBoost::fromCoM Ecm={} GeV"
-        " pcm={} GeV (norm = {} GeV), invariant mass={} GeV",
-        Ecm / 1_GeV, pCM / 1_GeV, pCM.norm() / 1_GeV, p.GetNorm() / 1_GeV);
-
-    auto const boostedZ = inverseBoost_ * com;
-    auto const E_lab = boostedZ(0) * 1_GeV;
-
-    pCM.eVector(2) = boostedZ(1) * (1_GeV).magnitude();
-
-    geometry::Vector<typename decltype(pCM)::dimension> pLab{rotatedCS_, pCM};
-    pLab.rebase(originalCS_);
-
-    FourVector f(E_lab, pLab);
-
-    C8LOG_TRACE("COMBoost::fromCoM --> Elab={} GeV",
-                " plab={} GeV (norm={} GeV) "
-                " GeV), invariant mass = {}",
-                E_lab / 1_GeV, f.GetNorm() / 1_GeV, pLab.GetComponents(),
-                pLab.norm() / 1_GeV);
-
-    return f;
-  }
-
-  COMBoost::COMBoost(FourVector<HEPEnergyType, Vector<hepmomentum_d>> const& Pprojectile,
-                     const HEPMassType massTarget)
-      : fCS(Pprojectile.GetSpaceLikeComponents().GetCoordinateSystem()) {
-    auto const pProjectile = Pprojectile.GetSpaceLikeComponents();
-    auto const pProjNorm = pProjectile.norm();
-    auto const a = (pProjectile / pProjNorm).GetComponents().eVector;
-    auto const a1 = a(0), a2 = a(1);
-
-    auto const s = sgn(a(2));
-    auto const c = 1 / (1 + s * a(2));
-
-    Eigen::Matrix3d A, B;
-
-    if (s > 0) {
-      A << 1, 0, -a1,                     // comment to prevent clang-format
-          0, 1, -a2,                      // .
-          a1, a2, 1;                      // .
-      B << -a1 * a1 * c, -a1 * a2 * c, 0, // .
-          -a1 * a2 * c, -a2 * a2 * c, 0,  // .
-          0, 0, -(a1 * a1 + a2 * a2) * c; // .
-
-    } else {
-      A << 1, 0, a1,                      // comment to prevent clang-format
-          0, -1, -a2,                     // .
-          a1, a2, -1;                     // .
-      B << -a1 * a1 * c, -a1 * a2 * c, 0, // .
-          +a1 * a2 * c, +a2 * a2 * c, 0,  // .
-          0, 0, (a1 * a1 + a2 * a2) * c;  // .
-    }
-
-    fRotation = A + B;
-
-    // calculate boost
-    double const beta = pProjNorm / (Pprojectile.GetTimeLikeComponent() + massTarget);
-
-    /* Accurracy matters here, beta = 1 - epsilon for ultra-relativistic boosts */
-    double const coshEta = 1 / std::sqrt((1 + beta) * (1 - beta));
-    //~ double const coshEta = 1 / std::sqrt((1-beta*beta));
-    double const sinhEta = -beta * coshEta;
-
-    std::cout << "COMBoost (1-beta)=" << 1 - beta << " gamma=" << coshEta << std::endl;
-    std::cout << "  det = " << fRotation.determinant() - 1 << std::endl;
-
-    fBoost << coshEta, sinhEta, sinhEta, coshEta;
-
-    fInverseBoost << coshEta, -sinhEta, -sinhEta, coshEta;
-  }
-} // namespace corsika::utl

corsika/framework/utility/detail/CorsikaFenvFallback.inl

-/*
- * (c) Copyright 2018 CORSIKA Project, corsika-project@lists.kit.edu
- *
- * This software is distributed under the terms of the GNU General Public
- * Licence version 3 (GPL Version 3). See file LICENSE for a full version of
- * the license.
- */
-
-#include <corsika/framework/utility/CorsikaFenv.hpp>
-#include <cfenv>
-
-extern "C" {
-#warning No enabling/disabling of floating point exceptions - platform needs better implementation
-
-int feenableexcept(int excepts) { return -1; }
-
-int fedisableexcept(int excepts) { return -1; }
-}