>>> from uncertainties import ufloat
>>> a = ufloat((0,0))
>>> x = ufloat((0.3,0.017))
>>> a**x
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "/opt/local/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/uncertainties/__init__.py", line 601, in f_with_affine_output
if arg.derivatives
File "<string>", line 1, in <lambda>
ZeroDivisionError: 0.0 cannot be raised to a negative power
>>> 0.0**x
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "/opt/local/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/uncertainties/__init__.py", line 601, in f_with_affine_output
if arg.derivatives
File "<string>", line 1, in <lambda>
ValueError: math domain error
这两个是否应该返回
0.0
?