source: trunk/source/global/management/test/G4UnitsTableTest.cc@ 1259

Last change on this file since 1259 was 1199, checked in by garnier, 16 years ago

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[1199]1//
2// ********************************************************************
3// * License and Disclaimer *
4// * *
5// * The Geant4 software is copyright of the Copyright Holders of *
6// * the Geant4 Collaboration. It is provided under the terms and *
7// * conditions of the Geant4 Software License, included in the file *
8// * LICENSE and available at http://cern.ch/geant4/license . These *
9// * include a list of copyright holders. *
10// * *
11// * Neither the authors of this software system, nor their employing *
12// * institutes,nor the agencies providing financial support for this *
13// * work make any representation or warranty, express or implied, *
14// * regarding this software system or assume any liability for its *
15// * use. Please see the license in the file LICENSE and URL above *
16// * for the full disclaimer and the limitation of liability. *
17// * *
18// * This code implementation is the result of the scientific and *
19// * technical work of the GEANT4 collaboration. *
20// * By using, copying, modifying or distributing the software (or *
21// * any work based on the software) you agree to acknowledge its *
22// * use in resulting scientific publications, and indicate your *
23// * acceptance of all terms of the Geant4 Software license. *
24// ********************************************************************
25//
26//
27// $Id: G4UnitsTableTest.cc,v 1.8 2006/06/29 19:04:51 gunter Exp $
28//
29// ----------------------------------------------------------------------
30#include "G4ios.hh"
31#include "globals.hh"
32#include "G4ThreeVector.hh"
33#include "G4UnitsTable.hh"
34
35#include <iomanip>
36
37int main()
38{
39//
40// test the UnitsTable classes
41//
42// Build the Table of units
43//
44 G4UnitDefinition::BuildUnitsTable();
45 G4UnitDefinition::PrintUnitsTable();
46
47// Get internal value of an unit
48//
49 G4cout << "\n \t G4UnitDefinition::GetValueOf('Unit') \n";
50
51 G4cout << " meter = " << G4UnitDefinition::GetValueOf("meter") << G4endl;
52 G4cout << " cm = " << G4UnitDefinition::GetValueOf("cm") << G4endl;
53 G4cout << " joule = " << G4UnitDefinition::GetValueOf("J") << G4endl;
54
55// Get category of an unit
56//
57 G4cout << "\n \t G4UnitDefinition::GetCategory('Unit') \n";
58
59 G4cout << " meter is " << G4UnitDefinition::GetCategory("m") << G4endl;
60 G4cout << " g is " << G4UnitDefinition::GetCategory("gram") << G4endl;
61 G4cout << " joule is " << G4UnitDefinition::GetCategory("J") << G4endl;
62 G4cout << " ns is " << G4UnitDefinition::GetCategory("ns") << G4endl;
63
64// Automatic conversion on output of a physical quantity
65//
66 G4cout << "\n \t G4BestUnit \n";
67 G4cout.precision(3);
68
69 G4cout << " a = " << std::setw(4) << G4BestUnit (0.5*GeV ,"Energy") << G4endl;
70 G4cout << " b = " << std::setw(4) << G4BestUnit (0.15*MeV,"Energy") << G4endl;
71 G4cout << " c = " << std::setw(4) << G4BestUnit (4000*MeV,"Energy") << G4endl;
72
73 G4double x = -1000.*cm;
74 G4BestUnit d(x,"Length"); G4cout << " x = " << d << G4endl;
75 G4BestUnit e(2e40*m,"Length"); G4cout << " e = " << e << G4endl;
76 G4BestUnit f(DBL_MAX ,"Energy"); G4cout << " f = " << f << G4endl;
77 G4BestUnit h(0.,"Magnetic flux density"); G4cout << " h = " << h << G4endl;
78
79 G4ThreeVector point(2*mm, 3*cm, 1*m);
80 G4ThreeVector momen(3*MeV, 2*keV, 0.);
81 G4cout << std::setw(6) << G4BestUnit (point, "Length") << G4endl;
82 G4cout << std::setw(6) << G4BestUnit (momen, "Energy") << G4endl;
83
84// Define new units
85//
86 new G4UnitDefinition("kg/m3","kg/m3","Volumic Mass",kg/m3);
87 new G4UnitDefinition("g/cm3","g/cm3","Volumic Mass",g/cm3);
88
89 G4double rho = 14.*mg/mm3;
90 G4cout << " rho = " << G4BestUnit (rho,"Volumic Mass") << G4endl;
91
92 new G4UnitDefinition("g/cm2","g/cm2","Depth",g/cm2);
93
94//
95// G4UnitDefinition::PrintUnitsTable();
96
97 return 0;
98}
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