27 lines
449 B
Python
27 lines
449 B
Python
>>> def isint(f):
|
|
return complex(f).imag == 0 and complex(f).real.is_integer()
|
|
|
|
>>> [isint(f) for f in (1.0, 2, (3.0+0.0j), 4.1, (3+4j), (5.6+0j))]
|
|
[True, True, True, False, False, False]
|
|
|
|
>>> # Test cases
|
|
...
|
|
>>> isint(25.000000)
|
|
True
|
|
>>> isint(24.999999)
|
|
False
|
|
>>> isint(25.000100)
|
|
False
|
|
>>> isint(-2.1e120)
|
|
True
|
|
>>> isint(-5e-2)
|
|
False
|
|
>>> isint(float('nan'))
|
|
False
|
|
>>> isint(float('inf'))
|
|
False
|
|
>>> isint(5.0+0.0j)
|
|
True
|
|
>>> isint(5-5j)
|
|
False
|