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| author | Charles Harris <charlesr.harris@gmail.com> | 2019-03-17 13:29:20 -0600 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2019-03-17 13:29:20 -0600 |
| commit | 1a92b74a5387f676dd389ffd91054e8c2733f413 (patch) | |
| tree | 6314c451db19663cf921c097e5748f6248d7db93 /numpy/polynomial/chebyshev.py | |
| parent | 06da877ceae914a875bd1a55cd8e271332358803 (diff) | |
| parent | ddbc31c2d71285f426dc16fab8ac2e00ffe6c1f8 (diff) | |
| download | numpy-1a92b74a5387f676dd389ffd91054e8c2733f413.tar.gz | |
Merge pull request #13146 from eric-wieser/poly-pow
MAINT: Unify polynomial power functions
Diffstat (limited to 'numpy/polynomial/chebyshev.py')
| -rw-r--r-- | numpy/polynomial/chebyshev.py | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/numpy/polynomial/chebyshev.py b/numpy/polynomial/chebyshev.py index 475582fdc..836f47363 100644 --- a/numpy/polynomial/chebyshev.py +++ b/numpy/polynomial/chebyshev.py @@ -826,6 +826,9 @@ def chebpow(c, pow, maxpower=16): array([15.5, 22. , 16. , ..., 12.5, 12. , 8. ]) """ + # note: this is more efficient than `pu._pow(chebmul, c1, c2)`, as it + # avoids converting between z and c series repeatedly + # c is a trimmed copy [c] = pu.as_series([c]) power = int(pow) |