8000 Merge pull request #8946 from kbsriram/main · tannewt/circuitpython@8728c6d · GitHub
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jeplerjepler
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Merge pull request micropython#8946 from kbsriram/main
Add tests for bit_length()
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‎tests/basics/int_length.py

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# CIRCUITPY-CHANGE
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# test bit_length for various sizes of ints
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for x in range(-10, 10):
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print(x.bit_length())
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for i in [2, 3, 15, 16, 17, 31, 32, 33, 63, 64, 234]:
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a = 2**i
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print((a - 1).bit_length())
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print((1 - a).bit_length())
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print(a.bit_length())
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print((-a).bit_length())
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print((a + 1).bit_length())
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print((-a - 1).bit_length())
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# Ensure transitioning between small and large int representations
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# still work.
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print((a - a).bit_length())
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print((0 * a).bit_length())
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print((0 * a - 1).bit_length())
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print((0 * a + 1).bit_length())
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print((2 * a).bit_length())
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print((2 * a + 1).bit_length())
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print((2 * a - 1).bit_length())

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