35 lines
724 B
Python
35 lines
724 B
Python
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# Compute the Mandelbrot set, to test complex numbers
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def mandelbrot(w, h):
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def in_set(c):
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z = 0
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for i in range(32):
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z = z * z + c
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if abs(z) > 100:
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return i
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return 0
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img = bytearray(w * h)
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xscale = (w - 1) / 2.4
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yscale = (h - 1) / 3.2
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for v in range(h):
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line = memoryview(img)[v * w : v * w + w]
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for u in range(w):
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c = in_set(complex(v / yscale - 2.3, u / xscale - 1.2))
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line[u] = c
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return img
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bm_params = {
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(100, 100): (20, 20),
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(1000, 1000): (80, 80),
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(5000, 1000): (150, 150),
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}
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def bm_setup(ps):
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return lambda: mandelbrot(ps[0], ps[1]), lambda: (ps[0] * ps[1], None)
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