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Remove extra imports in gamma.py doctests (#8060)

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* Refactor bottom-up function to be class method

* Add type hints

* Update convolve function namespace

* Remove depreciated np.float

* updating DIRECTORY.md

* updating DIRECTORY.md

* updating DIRECTORY.md

* updating DIRECTORY.md

* Renamed function for consistency

* updating DIRECTORY.md

* Remove extra imports in gamma.py doctests

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Co-authored-by: Chris O <46587501+ChrisO345@users.noreply.github.com>
This commit is contained in:
Tianyi Zheng 2022-12-29 09:06:26 -08:00 committed by GitHub
parent 90686e39b9
commit b72d0681ec
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maths/gamma.py
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@ -11,42 +11,27 @@ def gamma(num: float) -> float:
used extension of the factorial function to complex numbers.
The gamma function is defined for all complex numbers except the non-positive
integers
>>> gamma(-1)
Traceback (most recent call last):
...
ValueError: math domain error
>>> gamma(0)
Traceback (most recent call last):
...
ValueError: math domain error
>>> gamma(9)
40320.0
>>> from math import gamma as math_gamma
>>> all(.99999999 < gamma(i) / math_gamma(i) <= 1.000000001
... for i in range(1, 50))
True
>>> from math import gamma as math_gamma
>>> gamma(-1)/math_gamma(-1) <= 1.000000001
Traceback (most recent call last):
...
ValueError: math domain error
>>> from math import gamma as math_gamma
>>> gamma(3.3) - math_gamma(3.3) <= 0.00000001
True
"""
if num <= 0:
raise ValueError("math domain error")