chr.istoph, der Blog

 
#include <iostream>
 
using namespace std;
 
int addiren( int augend, int addend  )
{
	return augend + addend;
}
 
int subtrahieren( int minuend, int subtrahend )
{
	return minuend - subtrahend;
}
 
int multiplizieren( int multiplikand, int multiplikator )
{
	return multiplikand * multiplikator;
}
 
int dividieren(int dividend, int divisor)
{
	if(divisor == 0)
	{
		return 0;
	}
	return dividend / divisor;
}
 
/* Überladene Funktionen */
double addiren( double augend, double addend  )
{
	return augend + addend;
}
 
double subtrahieren( double minuend, double subtrahend )
{
	return minuend - subtrahend;
}
 
double multiplizieren( double multiplikand, double multiplikator )
{
	return multiplikand * multiplikator;
}
 
double dividieren(double dividend, double divisor)
{
	if(divisor == 0)
	{
		return 0;
	}
	return dividend / divisor;
}
 
int main (void)
{
	char id, jn='j', ra;
	double erg=0, z1, z2;
 
	do
	{
 
		cout << "Minirechner: (i)nteger oder (d)ouble ? ";
		cin >> id;
 
		if(id != 'i' && id != 'd')
			continue;			
 
		cout << "Zahl 1 = ? ";
		cin >> z1;
 
		cout << "Rechenart (+ - * /) ? ";
		cin >> ra;
 
		cout << "Zahl 2 = ? ";
		cin >> z2;
 
		if(id == 'i')
		{
			z1 = (int)z1;
			z2 = (int)z2;
 
			switch(ra)
			{
				case '+':
					erg = addiren( (int)z1, (int)z2 );
					break;
				case '-':
					erg = subtrahieren( (int)z1, (int)z2 );
					break;
				case '*':
					erg = multiplizieren( (int)z1, (int)z2 );
					break;
				case '/':
					erg = dividieren( (int)z1, (int)z2 );
					break;
				default:
					break;
			}
		}
		else
		/* if(id == 'd') */
		{
			switch(ra)
			{
				case '+':
					erg = addiren( z1, z2 );
					break;
				case '-':
					erg = subtrahieren( z1, z2 );
					break;
				case '*':
					erg = multiplizieren( z1, z2 );
					break;
				case '/':
					erg = dividieren( z1, z2 );
					break;
				default:
					break;
			}
		}
		cout << z1 << ra << z2 << "=" << erg << endl; 
 
		cout << "Noch einmal (j/n)? ";
		cin >> jn;
 
	}
	while (jn == 'j');	
 
	return 0;
}
 

Veröffentlicht am: 12.11.2007 | publiziert in: Aktuell, FH-Aachen