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| author | Matti Picus <matti.picus@gmail.com> | 2020-10-28 12:57:29 +0200 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2020-10-28 12:57:29 +0200 |
| commit | ab22e0076608f4825bf9a3ca1b6a0a6a7a670d14 (patch) | |
| tree | 4a709c270dcf877a1903e15c80b8b5b6c0e34797 /numpy/lib/polynomial.py | |
| parent | 3cd6c57ffc80fa88a3c4c268f53d8d08d37e3fe5 (diff) | |
| parent | 046a327f0bd452e53a4c65117e23d4e343fed233 (diff) | |
| download | numpy-ab22e0076608f4825bf9a3ca1b6a0a6a7a670d14.tar.gz | |
Merge pull request #17577 from cjblocker/polymul-dtype
BUG: Respect dtype of all-zero argument to poly1d
Diffstat (limited to 'numpy/lib/polynomial.py')
| -rw-r--r-- | numpy/lib/polynomial.py | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/numpy/lib/polynomial.py b/numpy/lib/polynomial.py index 7b89eeb70..0fd9bbd79 100644 --- a/numpy/lib/polynomial.py +++ b/numpy/lib/polynomial.py @@ -426,7 +426,7 @@ def polyder(p, m=1): >>> np.polyder(p, 3) poly1d([6]) >>> np.polyder(p, 4) - poly1d([0.]) + poly1d([0]) """ m = int(m) @@ -754,11 +754,11 @@ def polyval(p, x): >>> np.polyval([3,0,1], 5) # 3 * 5**2 + 0 * 5**1 + 1 76 >>> np.polyval([3,0,1], np.poly1d(5)) - poly1d([76.]) + poly1d([76]) >>> np.polyval(np.poly1d([3,0,1]), 5) 76 >>> np.polyval(np.poly1d([3,0,1]), np.poly1d(5)) - poly1d([76.]) + poly1d([76]) """ p = NX.asarray(p) @@ -1236,7 +1236,7 @@ class poly1d: raise ValueError("Polynomial must be 1d only.") c_or_r = trim_zeros(c_or_r, trim='f') if len(c_or_r) == 0: - c_or_r = NX.array([0.]) + c_or_r = NX.array([0], dtype=c_or_r.dtype) self._coeffs = c_or_r if variable is None: variable = 'x' |