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TST: Isin converted floats unnecessarily to int causing rounding issues #37770

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Merged
merged 12 commits into from
Dec 29, 2020
Merged

TST: Isin converted floats unnecessarily to int causing rounding issues #37770

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[BUG]: Isin converted floats unnecessarily to int causing rounding is…
phofl Nov 11, 2020
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Run black
phofl Nov 11, 2020
f2273a3
Merge branch 'master' of https://github.com/pandas-dev/pandas into 19356
phofl Nov 11, 2020
1e4d572
Add issue number
phofl Nov 15, 2020
c0b1ab2
Merge branch 'master' of https://github.com/pandas-dev/pandas into 19356
phofl Nov 15, 2020
06aa378
Merge branch 'master' of https://github.com/pandas-dev/pandas into 19356
phofl Nov 26, 2020
d034421
Revert "[BUG]: Isin converted floats unnecessarily to int causing rou…
phofl Nov 26, 2020
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Revert "Revert "[BUG]: Isin converted floats unnecessarily to int cau…
phofl Nov 26, 2020
2d34b8f
Merge branch 'master' of https://github.com/pandas-dev/pandas into 19356
phofl Dec 5, 2020
b41b689
Remove unused import
phofl Dec 5, 2020
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Remove whatsnew
phofl Dec 9, 2020
556cc52
Merge branch 'master' of https://github.com/pandas-dev/pandas into 19356
phofl Dec 29, 2020
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8 changes: 8 additions & 0 deletions pandas/tests/series/methods/test_isin.py
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Original file line number Diff line number Diff line change
Expand Up @@ -145,6 +145,14 @@ def test_isin_period_freq_mismatch(self):
res = pd.core.algorithms.isin(ser, other)
tm.assert_numpy_array_equal(res, expected)

@pytest.mark.parametrize("values", [[-9.0, 0.0], [-9, 0]])
def test_isin_float_in_int_series(self, values):
# GH#19356 GH#21804
ser = Series(values)
result = ser.isin([-9, -0.5])
expected = Series([True, False])
tm.assert_series_equal(result, expected)


@pytest.mark.slow
def test_isin_large_series_mixed_dtypes_and_nan():
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