#!pike

int BAILOUT = 16;
int MAX_ITERATIONS = 1000;

int iterate( float x, float y) {
	float cr = y-0.5;
	float ci = x;
	float zi = 0.0;
	float zr = 0.0;
	int i = 0;
	
	while( 1 ){
		i = i+1;
		float temp = zr * zi;
		float zr2 = zr*zr;
		float zi2 = zi*zi;
		zr = zr2-zi2+cr;
		zi = temp+temp+ci;
		if (zi2+zr2 > BAILOUT) {
			return i;
		}
		
		if (i > MAX_ITERATIONS) {
			return 0;
		}
	}

}

void mandelbrot(){
	//float t = os.time()
	float y;
	float x;
	for( y = -39.0 ; y < 38.0 ; y += 1.0 ) {
		for( x = -39.0 ; x < 38.0 ; x += 1.0 ) {
			if (iterate(x/40.0, y/40) == 0) {
				write("*");
			} else {
				write(" ");
			}
		}
		write("\n");
	}
	//io.write(string.format("Time Elapsed %d\n", os.time() - t));
}

void main(){
	mandelbrot();
}