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-rw-r--r--numpy/lib/polynomial.py2
1 files changed, 1 insertions, 1 deletions
diff --git a/numpy/lib/polynomial.py b/numpy/lib/polynomial.py
index 7b89eeb70..28c3f5e99 100644
--- a/numpy/lib/polynomial.py
+++ b/numpy/lib/polynomial.py
@@ -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'