54 lines
857 B
Python
Executable file
54 lines
857 B
Python
Executable file
#!/usr/bin/python
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import sys
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MAXITER = 50
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LIMIT = 4
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out = sys.stdout;
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def mandelbrot(w, h) :
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xmin = -1.5
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ymin = -1
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invN = 2.0 / w
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checknext = True
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for y in range(h) :
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Ci = y * invN + ymin
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for x in range(w) :
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Zr = 0.0
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Zi = 0.0
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Tr = 0.0
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Ti = 0.0
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Cr = x * invN + xmin
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if (checknext) :
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for k in range(MAXITER) :
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Zi = 2 * Zr * Zi + Ci
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Zr = Tr - Ti + Cr
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Ti = Zi * Zi
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Tr = Zr * Zr
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if (Tr + Ti) > LIMIT :
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break
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if k == MAXITER :
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out.write("1")
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else :
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out.write("0")
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checknext = False
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else :
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for k in range(MAXITER) :
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Zi = 2 * Zr * Zi + Ci
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Zr = Tr - Ti + Cr
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Ti = Zi * Zi
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Tr = Zr * Zr
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if (Tr + Ti) < LIMIT :
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out.write("1")
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else :
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out.write("0")
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checknext = True
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out.write("\n")
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for i in range(20) :
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mandelbrot(200, 200)
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