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| author | Developer-Ecosystem-Engineering <65677710+Developer-Ecosystem-Engineering@users.noreply.github.com> | 2021-11-18 14:31:58 -0800 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2021-11-18 14:31:58 -0800 |
| commit | 5e9ce0c0529e3085498ac892941a020a65c7369a (patch) | |
| tree | a70d9e941549b4a51b493f1b170ef33ce0d5a217 /numpy/lib/scimath.py | |
| parent | 2ff7ab64d4e7d5928e96ca95b85350aa9caa2b63 (diff) | |
| parent | 056abda14dab7fa8daf7a1ab44144aeb2250c216 (diff) | |
| download | numpy-5e9ce0c0529e3085498ac892941a020a65c7369a.tar.gz | |
Merge branch 'numpy:main' into as_min_max
Diffstat (limited to 'numpy/lib/scimath.py')
| -rw-r--r-- | numpy/lib/scimath.py | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/numpy/lib/scimath.py b/numpy/lib/scimath.py index 308f1328b..b7ef0d710 100644 --- a/numpy/lib/scimath.py +++ b/numpy/lib/scimath.py @@ -234,6 +234,15 @@ def sqrt(x): >>> np.emath.sqrt([-1,4]) array([0.+1.j, 2.+0.j]) + Different results are expected because: + floating point 0.0 and -0.0 are distinct. + + For more control, explicitly use complex() as follows: + + >>> np.emath.sqrt(complex(-4.0, 0.0)) + 2j + >>> np.emath.sqrt(complex(-4.0, -0.0)) + -2j """ x = _fix_real_lt_zero(x) return nx.sqrt(x) |