BUG: fix #60128 BUG: Series.combine_first loss of precision #60166
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- Issue: There was int64->float64->int64 conversions - Fix: Carry out the operation without passing through float64
rhshadrach
requested changes
Nov 6, 2024
| @@ -8640,7 +8640,10 @@ def combine( | |||
| """ | |||
| other_idxlen = len(other.index) # save for compare | |||
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| this, other = self.align(other) | |||
| fill_value_for_align = None | |||
| if all(self.dtypes.eq(np.int64)) and all(other.dtypes.eq(np.int64)): | |||
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This needs to be a lot more robust, e.g. can't only be for int64.
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Issue: There was int64->float64->int64 conversions
Fix: Carry out the operation without passing through float64
closes BUG: Series.combine_first loss of precision #60128
Tests added and passed if fixing a bug or adding a new feature
All code checks passed.
Added type annotations to new arguments/methods/functions.
Added an entry in the latest
doc/source/whatsnew/vX.X.X.rstfile if fixing a bug or adding a new feature.