#include <stdio.h>
#include <string.h>
#include <math.h>
#include <stdlib.h>

int main (int a, char *p[3]){
 
  
  int i;
  double U, f, vzorky, t, cas, u, theta, g, h, y, x, yz, yzz;
  U = atof(p[1]);
  f = atof(p[2]);
  vzorky = atof(p[3]);
  t = 0.000125;
  cas = 0;
  theta = 2*M_PI*(f/8000);
  g= sin(theta);
  h= cos(theta);
  if(a > 4){
    printf("zapsano moc parametru\n");
    return 1;    
  }
  if(f<=0){
    printf("frekvence nesmi byt zaporna\n");
    return 1;    
  }

  for(i=0 ; i<vzorky; i++){
    u= U*sin(2*M_PI*cas*f);
    x=0;
    if(i==1){x=u;}
    y=(x*g)+(2*yz*h)-yzz;
    printf("%8f %8f %8f\n" , cas, u, y);
    cas = cas + t;
    yzz=yz;
    yz=y;
  }
}