HSV to RGB (Arduino)

gistfile1.txt

void HSV_to_RGB(float h, float s, float v, byte *r, byte *g, byte *b)
{
  int i,f,p,q,t;
  
  h = max(0.0, min(360.0, h));
  s = max(0.0, min(100.0, s));
  v = max(0.0, min(100.0, v));
  
  s /= 100;
  v /= 100;
  
  if(s == 0) {
    // Achromatic (grey)
    *r = *g = *b = round(v*255);
    return;
  }

  h /= 60; // sector 0 to 5
  i = floor(h);
  f = h - i; // factorial part of h
  p = v * (1 - s);
  q = v * (1 - s * f);
  t = v * (1 - s * (1 - f));
  switch(i) {
    case 0:
      *r = round(255*v);
      *g = round(255*t);
      *b = round(255*p);
      break;
    case 1:
      *r = round(255*q);
      *g = round(255*v);
      *b = round(255*p);
      break;
    case 2:
      *r = round(255*p);
      *g = round(255*v);
      *b = round(255*t);
      break;
    case 3:
      *r = round(255*p);
      *g = round(255*q);
      *b = round(255*v);
      break;
    case 4:
      *r = round(255*t);
      *g = round(255*p);
      *b = round(255*v);
      break;
    default: // case 5:
      *r = round(255*v);
      *g = round(255*p);
      *b = round(255*q);
    }
}

not working, change them to floats