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use std
const Bailout : flt64 = 16.0
const Maxiter = 1000
const mandelbrot = {x, y
var cr, ci, zr, zi
var tmp, zr2, zi2
var i : int
cr = y - 0.5
ci = x
zr = 0.0
zi = 0.0
i = 0
while true
i++
tmp = zr * zi
zr2 = zr * zr
zi2 = zi * zi
zr = zr2 - zi2 + cr
zi = tmp + tmp + ci
if zi2 + zr2 > Bailout
-> i
;;
if i > Maxiter
-> 0
;;
;;
}
const main = {args : byte[:][:]
var x : flt64, y : flt64, i
for y = -39.0; y < 39.0; y = y + 1.0
for x = -39.0; x < 39.0; x = x + 1.0
i = mandelbrot(x/40.0, y/40.0)
if i == 0
std.put("*")
else
std.put(" ")
;;
;;
std.put("\n")
;;
std.put("\n")
}
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