Outputs an ASCII mandelbrot set representation without using floating point numbers.

mandelbrot_int.py

#!/usr/bin/env python3
p = 999
s = 15

for py in range(21*s//10):
	row = ''
	for px in range(35*s//5):
		x0 = (px-50*s//10)*p//s//2
		y0 = (py-10*s//10)*p//s
		x=0
		y=0
		i=0
		m=99
		while (x*x + y*y < 2*2*p*p and i < m):
			t = x*x//p - y*y//p + x0
			y = 2*x*y//p + y0
			x = t
			i += 1
		row += '*' if i == m else ' '
	print(row)