simulation.cpp

产生一个随机数

#include"simulation.h"
#include<assert.h>
simulation::simulation():time(0)
{
}
unsigned int simulation::currentTime()
{
    return time;
}
void simulation::scheduleEvent(event*newEvent)
{
    assert(newEvent!=0);
    eventQueue.add(*newEvent);
}
void simulation::run()
{
    done=eventQueue.isEmpty();
    while(!done)
    {
        event& nextEvent=eventQueue.deleteMin();
        time=nextEvent.time;
        nextEvent.processEvent();
        delete &nextEvent;
        if(eventQueue.isEmpty())
           done=1;
    }
}
int operator<(const event& left,const event& right)
{
    return left.time<right.time;
}