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// Programmieren 1, Praktikum 2, Aufgabe 6
// Sven Eisenhauer
// 06.11.2004
//
// file: prg1p2_6.cpp
//
// purpose: generate a table of bin, oct and hex presentation of the numbers from 1 to 256
//
//
#include <iostream>
#include <iomanip>
#include <cmath>
using std::cin;
using std::cout;
using std::endl;
using std::setw;
using std::hex;
using std::dec;
const int iBit=8; // 256 is 8 bit
int iDec,iOct,iHex,iBin,iTemp;
int main()
{
cout << setw(5) << "Dec" << setw (11) << "Binary" << setw(7) << "Octal" << setw(5) << "Hex" << endl;
for (int iCounter=1;iCounter<=256;iCounter++)
{
iDec=iCounter;
iTemp=0;
iBin=0;
iOct=0;
// generate binary
for (int iBinC=iBit;iBinC>=0;iBinC--)
{
iTemp = iDec % 2;
iDec = iDec / 2;
iBin += iTemp * static_cast <int> (pow(10,iBit-iBinC));
}
// generate octal
iDec=iCounter;
for ( int iOctC=3;iOctC>=0;iOctC--)
{
iTemp = iDec % 8;
iDec = iDec / 8;
iOct += iTemp * static_cast <int> (pow(10,3-iOctC));
}
cout << setw(5) << dec << iCounter << setw (11) << iBin << setw(7) << iOct << setw(5) << hex << iCounter << endl;
if (!(iCounter%23))
cout << endl << setw(5) << "Dec" << setw (11) << "Binary" << setw(7) << "Octal" << setw(5) << "Hex" << endl;
}
return 0;
}// end main
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