32 lines
529 B
Python
32 lines
529 B
Python
def test(x, i):
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return x & (1 << i) != 0
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def set(x, i):
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return x | (1 << i)
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def clear(x, i):
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return x & ~(1 << i)
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def toggle(x, i):
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if test(x, i):
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return clear(x, i)
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else:
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return set(x, i)
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def test_single(x):
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if x == 0:
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return False
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else:
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return x & (x - 1) == 0
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print(test(0b1010, 3))
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print('{0:b}'.format(set(0b1010, 1)))
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print('{0:b}'.format(clear(0b1010, 1)))
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print('{0:b}'.format(toggle(0b1010, 2)))
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print(test_single(0b1010))
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print(test_single(0b1000))
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