Gabriele Cosmo
108 lines
3.0 KiB
C++
108 lines
3.0 KiB
C++
// $Id:$
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// -*- C++ -*-
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//
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// ------------------------------------------------------------------------
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// HEP Random
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// --- HepRandomEngine ---
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// class implementation file
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// ------------------------------------------------------------------------
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// This file is part of Geant4 (simulation toolkit for HEP).
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// ========================================================================
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// Gabriele Cosmo - Created: 5th September 1995
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// - Minor corrections: 31st October 1996
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// - Moved table of seeds to HepRandom: 19th March 1998
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// Ken Smith - Added conversion operators: 6th Aug 1998
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// =======================================================================
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#include "CLHEP/Random/RandomEngine.h"
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#include "CLHEP/Random/EngineFactory.h"
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//------------------------- HepRandomEngine ------------------------------
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namespace CLHEP {
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HepRandomEngine::HepRandomEngine()
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: theSeed (19780503L)
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, theSeeds(&theSeed)
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{ }
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HepRandomEngine::~HepRandomEngine() {}
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HepRandomEngine::operator double() {
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return flat();
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}
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HepRandomEngine::operator float() {
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return float( flat() );
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}
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HepRandomEngine::operator unsigned int() {
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return (unsigned int)( flat() * exponent_bit_32() );
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}
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bool
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HepRandomEngine::checkFile (std::istream & file,
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const std::string & filename,
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const std::string & classname,
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const std::string & methodname) {
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if (!file) {
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std::cerr << "Failure to find or open file " << filename <<
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" in " << classname << "::" << methodname << "()\n";
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return false;
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}
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return true;
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}
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std::ostream & HepRandomEngine::put (std::ostream & os) const {
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std::cerr << "HepRandomEngine::put called -- no effect!\n";
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return os;
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}
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std::istream & HepRandomEngine::get (std::istream & is) {
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std::cerr << "HepRandomEngine::get called -- no effect!\n";
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return is;
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}
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std::string HepRandomEngine::beginTag ( ) {
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return "HepRandomEngine-begin";
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}
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std::istream & HepRandomEngine::getState ( std::istream & is ) {
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std::cerr << "HepRandomEngine::getState called -- no effect!\n";
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return is;
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}
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std::vector<unsigned long> HepRandomEngine::put () const {
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std::cerr << "v=HepRandomEngine::put() called -- no data!\n";
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std::vector<unsigned long> v;
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return v;
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}
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bool HepRandomEngine::get (const std::vector<unsigned long> & ) {
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std::cerr << "HepRandomEngine::get(v) called -- no effect!\n";
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return false;
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}
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bool HepRandomEngine::getState (const std::vector<unsigned long> & ) {
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std::cerr << "HepRandomEngine::getState(v) called -- no effect!\n";
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return false;
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}
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HepRandomEngine* HepRandomEngine::newEngine(std::istream& is) {
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return EngineFactory::newEngine(is);
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}
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HepRandomEngine*
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HepRandomEngine::newEngine(const std::vector<unsigned long> & v) {
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return EngineFactory::newEngine(v);
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}
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std::ostream & operator<< (std::ostream & os, const HepRandomEngine & e) {
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return e.put(os);
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}
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std::istream & operator>> (std::istream & is, HepRandomEngine & e) {
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return e.get(is);
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}
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} // namespace CLHEP
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