chr.istoph, der Blog

#include 

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 von: CHR | publiziert in: C, FH-Aachen