dimi

#include <stdio.h>#include <stdlib.h>// #include <unistd.h>// #include <assert.h>double sin(double x){	int sign = 1;	int i;	int exp = 1;	double sum = 0;	for(i = 0; i < 5; i++){		//printf(" %i (%f)^%i / %i\n", sign, x, exp, fak(exp));		sum += sign * pwr(x,exp) / fak(exp);		exp = exp + 2;		sign = -sign;	}	return sum;}double pwr(double x, int y){	int i;	double result = 1;	for(i = 0; i < y; i++){		result = result * x;	}	return result;}int fak(int n){	int result = 1;	while(n > 1){		result *= n;		n--;	}	return result;}int main(void){	int f = fak(3);	int p = pwr(3,3);	double s = sin(3.141592653);	printf("fak: %i\n", f);	printf("pow: %i\n", p);	printf("Sinus: %f\n", s);	return 0;}