// clamps a floating point degree between -180° ... 0° ... +180°
double avAngleDegreeMod180(double angleDegree) {
   if (angleDegree > 180) {
      double remainder = fmod(angleDegree, 360);
      if (remainder > 180) {
         return -180 + (remainder - 180);
      } else {
         return remainder;
      }
   } else {
      if (angleDegree >= -180) {
         return angleDegree;
      } else {
         return -avAngleDegreeMod180(-angleDegree);
      }
   }
}

var my_ang(var x)
{
	x = x%360;
	x = (x+360)%360;
	if(x > 180) return x-360;
	
	return x;
}

void main()
{
	fps_max = 60;
	while(1)
	{
		var i = 540*sinv(total_ticks*2);
		DEBUG_VAR((int)i,20);
		DEBUG_VAR((int)my_ang(i),40);
		DEBUG_VAR((int)ang(i),60);
		wait(1);
	}
}