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/*
* DiceSim.cpp
*
* Created on: 13.05.2011
* Author: sven
*/
#include <cstdlib>
#include <ctime>
#include <iostream>
#include "DiceSim.h"
DiceSim::DiceSim(unsigned numDice, unsigned numRolls)
:mNumDice(numDice),mNumRolls(numRolls),mEyesAbsFreq((numDice * 6))
{
srand(time(NULL));
for(mResultIter = mEyesAbsFreq.begin() ; mResultIter != mEyesAbsFreq.end() ; mResultIter++)
{
*mResultIter = 0;
}
for(unsigned n=0; n< numRolls; n++)
{
unsigned eyesSum = 0;
for(unsigned d=0; d<numDice; d++) {
eyesSum += rollDie();
}
mEyesAbsFreq.at(eyesSum - numDice)++;
}
unsigned freqSum = 0;
for(mResultIter = mEyesAbsFreq.begin() ; mResultIter != mEyesAbsFreq.end() ; mResultIter++)
{
freqSum += *mResultIter;
}
std::cout << "Num rolls: " << freqSum << std::endl;
}
DiceSim::~DiceSim() {
// TODO Auto-generated destructor stub
}
unsigned DiceSim::rollDie()
{
unsigned eyes = 0;
eyes = 1 + (int) (6.0 * (rand() / (RAND_MAX + 1.0)));
return eyes;
}
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