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Summary:
User may have OOD prod arm where a certain param value is 0 while they want to tune the parameter with values > 0 in log scale, and if that's the case model expansion will include 0 in the model space (https://fburl.com/code/hvwpnaax)

We should add a check to make sure the expanded lower bounds are always positive for log scale RangeParameter

Differential Revision: D85299292

@meta-cla meta-cla bot added the CLA Signed Do not delete this pull request or issue due to inactivity. label Oct 23, 2025
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meta-codesync bot commented Oct 23, 2025

@sunnyshen321 has exported this pull request. If you are a Meta employee, you can view the originating Diff in D85299292.

sunnyshen321 pushed a commit to sunnyshen321/Ax that referenced this pull request Oct 23, 2025
…ion (facebook#4463)

Summary:

User may have OOD prod arm where a certain param value is 0 while they want to tune the parameter with values > 0 in log scale, and if that's the case model expansion will include 0 in the model space (https://fburl.com/code/hvwpnaax)

We should add a check to make sure the expanded lower bounds are always positive for log scale RangeParameter

Differential Revision: D85299292
…ion (facebook#4463)

Summary:

User may have OOD prod arm where a certain param value is 0 while they want to tune the parameter with values > 0 in log scale, and if that's the case model expansion will include 0 in the model space (https://fburl.com/code/hvwpnaax)

We should add a check to make sure the expanded lower bounds are always positive for log scale RangeParameter

Reviewed By: Balandat

Differential Revision: D85299292
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Codecov Report

❌ Patch coverage is 94.73684% with 1 line in your changes missing coverage. Please review.
✅ Project coverage is 96.58%. Comparing base (ef3ec85) to head (3f384a7).

Files with missing lines Patch % Lines
ax/adapter/base.py 83.33% 1 Missing ⚠️
Additional details and impacted files
@@            Coverage Diff             @@
##             main    #4463      +/-   ##
==========================================
- Coverage   96.59%   96.58%   -0.01%     
==========================================
  Files         549      549              
  Lines       56623    56641      +18     
==========================================
+ Hits        54693    54708      +15     
- Misses       1930     1933       +3     

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meta-codesync bot commented Oct 28, 2025

This pull request has been merged in 7c4f2f1.

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3 participants