int main (void)
{
int degree;
degree=1;
while (degree>=0)
{
int coef[11] = {0};
printf("Please enter the maximum degree of the polynomial: ");
scanf("%d", °ree);
if (degree>=0) /* exit immediately if degree is negative */
{
printf("Please enter the coefficients: ");
int i;
for (i=0; i<=degree; i++) {scanf("%d", &coef[i]);}
printf("The polynomial is ");
polyprint (coef, degree);
printf("\n");
int deriv[10] = {0};
for (i=0; i<degree; i++) {deriv[i]=(coef[i]*(degree-i));} /* calculate the derivative */
printf("Its derivative is ");
polyprint (deriv, (degree-1));
if (degree==0) {printf("0");}
printf("\n\n");
}
}
return 0;
}
int main (void)
{
int degree=1;
while (degree>=0)
{
printf("Please enter the maximum degree of the polynomial: ");
scanf("%d", °ree);
if (degree>=0) /* exit immediately if degree is negative */
{
int *coef;
coef = (int *) calloc((degree+1), sizeof(int)); /* as we are using C++, casting is required in calloc and free functions */
if (coef != NULL) /* prevent from working if the memory is not successfully allocated */
{
printf("Please enter the coefficients: ");
int i;
for (i=0; i<=degree; i++) {scanf("%d", &coef[i]);}
printf("The polynomial is ");
polyprint (coef, degree);
printf("\n");
int *deriv;
deriv = (int *) calloc(degree, sizeof(int));
if (deriv != NULL) /* same as for first calloc */
{
for (i=0; i<degree; i++) {deriv[i]=(coef[i]*(degree-i));} /* calculate the derivative */
printf("Its derivative is ");
polyprint (deriv, (degree-1));
free( (void *) deriv);
}
if (degree==0) {printf("0");}
printf("\n\n");
free((void *) coef);
}
}
}
return 0;
}
int main(int argc, char **argv) {
if(argc>=2) {
switch(atoi(argv[1])) {
case 1: return polyprint(argc-1, argv+1);
case 2: return polypoly(argc-1, argv+1,2); // +
case 3: return polypoly(argc-1, argv+1,3); // -
case 4: return polypoly(argc-1, argv+1,4); // *
case 5: return matrixmult(argc-1, argv+1,5);
case 6: return polymatmult(argc-1, argv+1,6);
}
}
// Ein Fehler ist aufgetreten. Gebe Syntax aus:
cout << "Syntax: test1_02 <n> " << endl;
cout << "1 - Ausgabe eines Polynoms" << endl;
cout << "2 - Polynom+Polynom" << endl;
cout << "3 - Polynom-Polynom" << endl;
cout << "4 - Polynom*Polynom" << endl;
cout << "5 - Matrix*Matrix" << endl;
cout << "6 - Polynom*Matrix" << endl;
return 1; // Rueckgabewert !=0, d.h. Fehler
}