8000 BUG ensure monotonic property of lerp in numpy.percentile by glemaitre · Pull Request #15098 · numpy/numpy · GitHub
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BUG ensure monotonic property of lerp in numpy.percentile #15098

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BUG ensure monotonic property of lerp in numpy.percentile #15098

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1cdb83d
FIX ensure monotic property of lerp in percentile
glemaitre Dec 11, 2019
845d219
spelling
glemaitre Dec 11, 2019
aac5e41
address comments
glemaitre Dec 11, 2019
313ea69
better syntax
glemaitre Dec 11, 2019
2fbbf72
remove diff
glemaitre Dec 11, 2019
786c7bb
address comments
glemaitre Dec 12, 2019
5ba6527
Update numpy/lib/tests/test_function_base.py
glemaitre Dec 21, 2019
64258de
add comments regarding the source
glemaitre Dec 21, 2019
e5f1d0c
Merge remote-tracking branch 'origin/master' into is/14685
glemaitre Dec 21, 2019
64c6fa1
avoid intermediate copy
glemaitre Dec 23, 2019
9607d2b
Update function_base.py
glemaitre Dec 23, 2019
733469d
use copyto
glemaitre Dec 23, 2019
045a7e3
Update function_base.py
glemaitre Dec 23, 2019
6f070c2
ups
glemaitre Dec 24, 2019
e9449a8
address review
glemaitre Jan 23, 2020
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avoid intermediate copy
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@glemaitre
glemaitre committed Dec 23, 2019
commit 64c6fa15f61abb61fa3378d6bb2af920ade0d7cf
7 changes: 3 additions & 4 deletions numpy/lib/function_base.py
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Original file line number Diff line number Diff line change
Expand Up @@ -3898,7 +3898,6 @@ def _quantile_ureduce_func(a, q, axis=None, out=None, overwrite_input=False,
indices = indices[0]
r = take(ap, indices, axis=axis, out=out)


else: # weight the points above and below the indices
indices_below = floor(indices).astype(intp)
indices_above = indices_below + 1
Expand Down Expand Up @@ -3949,15 +3948,15 @@ def _quantile_ureduce_func(a, q, axis=None, out=None, overwrite_input=False,
r_above = r_above.squeeze(0)
r_below = r_below.squeeze(0)

r = np.where(weights_above < 0.5, r_above, r_below)
r_above[r_above < 0.5] = r_below

if out is not None:
out[...] = r
out[...] = r_above
r = out
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Assignment to out should not be necessary here, the above operation is already in-place (i.e. similar to the old branch, which did not do this).

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@seberg is the double-assignment cleanup a blocker?

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Not on its own, but I think the above also needs some cleanups, maybe I should just put it on my todo list to do it myself.

else:
# get the element stored in the 0-d array for backward
# compatibility
r = r[()]
r = r_above[()]

if np.any(n):
if zerod:
Expand Down
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