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Fix float128 on 32 bits #1154

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merged 2 commits into from
Jun 25, 2021
Merged

Fix float128 on 32 bits #1154

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b7d0e48
Fix float128 on 32 bits
franchuterivera Jun 7, 2021
c0cca43
support np.float96
franchuterivera Jun 16, 2021
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9 changes: 8 additions & 1 deletion autosklearn/automl.py
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Original file line number Diff line number Diff line change
Expand Up @@ -853,7 +853,14 @@ def subsample_if_too_large(
multiplier = 4
elif X.dtype in (np.float64, np.float):
multiplier = 8
elif X.dtype == np.float128:
elif (
# In spite of the names, np.float96 and np.float128
# provide only as much precision as np.longdouble,
# that is, 80 bits on most x86 machines and 64 bits
# in standard Windows builds.
(hasattr(np, 'float128') and X.dtype == np.float128)
or (hasattr(np, 'float96') and X.dtype == np.float96)
):
multiplier = 16
else:
# Just assuming some value - very unlikely
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