FIX: mkl_random.noncentral_chisquare
when df==1
#17
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
Description
This PR fix
mkl_random.noncentral_chisquare
behaviour whendf
param is equal1.0
was:
noncentral_chisquare(1, nonc) ~ sqrt(nonc)*(-1)^[U<0.5] + Z
proposed:
noncentral_chisquare(1, nonc) ~ (Z + sqrt(nonc))**2 for df == 1
This bug was early discussed.