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File indexing completed on 2024-05-10 02:21:26

0001 #include <CLHEP/Units/SystemOfUnits.h>
0002 #include "DetectorDescription/Core/interface/DDSolid.h"
0003 #include "DetectorDescription/Core/interface/DDSolidShapes.h"
0004 #include "DetectorDescription/Core/interface/Torus.h"
0005 #include "Utilities/Testing/interface/CppUnit_testdriver.icpp"
0006 #include "cppunit/extensions/HelperMacros.h"
0007 #include <G4Torus.hh>
0008 #include <cmath>
0009 #include <limits>
0010 #include <string>
0011 
0012 using namespace std;
0013 using CLHEP::cm;
0014 using CLHEP::cm3;
0015 using CLHEP::deg;
0016 
0017 class testTorus : public CppUnit::TestFixture {
0018   CPPUNIT_TEST_SUITE(testTorus);
0019   CPPUNIT_TEST(matched_g4_and_dd);
0020 
0021   CPPUNIT_TEST_SUITE_END();
0022 
0023 public:
0024   void matched_g4_and_dd(void);
0025 };
0026 
0027 void testTorus::matched_g4_and_dd(void) {
0028   double rMin = 10. * cm;
0029   double rMax = 15. * cm;
0030   double radius = 100. * cm;
0031   double sPhi = 0. * deg;
0032   double dPhi = 90. * deg;
0033   string name("fred1");
0034 
0035   G4Torus g4(name, rMin, rMax, radius, sPhi, dPhi);
0036   DDI::Torus dd(rMin, rMax, radius, sPhi, dPhi);
0037   DDTorus dds = DDSolidFactory::torus(name, rMin, rMax, radius, sPhi, dPhi);
0038   cout << endl;
0039   dd.stream(cout);
0040   cout << endl;
0041 
0042   double g4v = g4.GetCubicVolume() / cm3;
0043   double ddv = dd.volume() / cm3;
0044   double ddsv = dds.volume() / cm3;
0045 
0046   cout << "\tg4 volume = " << g4v << " cm3" << endl;
0047   cout << "\tdd volume = " << ddv << " cm3" << endl;
0048   cout << "\tDD Information: " << dds << " vol= " << ddsv << " cm3" << endl;
0049 
0050   CPPUNIT_ASSERT(abs(g4v - ddv) < numeric_limits<float>::epsilon());
0051   CPPUNIT_ASSERT(abs(g4v - ddsv) < numeric_limits<float>::epsilon());
0052 }
0053 
0054 CPPUNIT_TEST_SUITE_REGISTRATION(testTorus);