f61250a834
There is a small typo in cookbook/c03/p07_inf_nan.py. Should read `undefined` rather than `undifined`.
30 lines
398 B
Python
30 lines
398 B
Python
#!/usr/bin/env python
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# -*- encoding: utf-8 -*-
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"""
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Topic: 无穷大与NaN
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Desc :
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"""
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def inf_nan():
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a = float('inf')
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b = float('-inf')
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c = float('nan')
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print(a + 45)
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print(a + 45 == a)
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print(a * 10 == a)
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print(10 / a)
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# undefined
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print(a / a)
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print(a + b)
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print(c + 23)
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print(c / 2 == c) # False ?
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if __name__ == '__main__':
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inf_nan()
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