[Numpy-discussion] proposal of new keywords for np.nan_to_num
Stefan van der Walt
stefanv at berkeley.edu
Mon Apr 8 17:40:43 EDT 2019
On Thu, Apr 4, 2019, at 10:12, kikocorreoso wrote:
> I propose to add some keywords to nan_to_num function. The addition do not modify the actual behavior. Information related with this addition can be found in these links:
The added functionality seems fine, given what that function does already. But, a question for those who have seen its API put in place:
What is the rationale behind replacing infinities, when the function is called `nan_to_num`?
Also, this odd part of the docstring:
*NumPy uses the IEEE Standard for Binary Floating-Point for Arithmetic**
*(IEEE 754). This means that Not a Number is not equivalent to infinity.**
The meaning of this note isn't clear to me. Why would the reader suspect that Not a Number is equivalent to infinity? Do we detail somewhere how NaN's vs infinities typically arise in code?
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