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| author | Charles Harris <charlesr.harris@gmail.com> | 2008-03-17 14:52:17 +0000 |
|---|---|---|
| committer | Charles Harris <charlesr.harris@gmail.com> | 2008-03-17 14:52:17 +0000 |
| commit | e99ac6619fc99a94c5fdad9e8a4134191ede2f8a (patch) | |
| tree | 4990404e0a2933708ed40ae984f2fa80a880ccab /numpy/lib/tests/test_function_base.py | |
| parent | 49a78cce45871f6df1c27bad474f02ff0c2f9d54 (diff) | |
| download | numpy-e99ac6619fc99a94c5fdad9e8a4134191ede2f8a.tar.gz | |
Fix arccosh for complex. The previous implementation could take the sqrt of a
number on the branch cut of sqrt, leading to roundoff problems. This seems to
have come about because the formula was derived using the non principal branch
of the sqrt, i.e., it used 1=(-1)*(-1).
Diffstat (limited to 'numpy/lib/tests/test_function_base.py')
0 files changed, 0 insertions, 0 deletions