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BUG: polynomial: Handle non-array inputs in polynomial class __call__ method. #24349

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Merged
merged 1 commit into from
Aug 6, 2023
Merged

BUG: polynomial: Handle non-array inputs in polynomial class __call__ method. #24349

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3 changes: 1 addition & 2 deletions numpy/polynomial/_polybase.py
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Original file line number Diff line number Diff line change
Expand Up @@ -508,8 +508,7 @@ def __setstate__(self, dict):
# Call

def __call__(self, arg):
off, scl = pu.mapparms(self.domain, self.window)
arg = off + scl*arg
arg = pu.mapdomain(arg, self.domain, self.window)
return self._val(arg, self.coef)

def __iter__(self):
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7 changes: 7 additions & 0 deletions numpy/polynomial/tests/test_classes.py
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Expand Up @@ -523,6 +523,13 @@ def test_call(Poly):
assert_almost_equal(res, tgt)


def test_call_with_list(Poly):
p = Poly([1, 2, 3])
x = [-1, 0, 2]
res = p(x)
assert_equal(res, p(np.array(x)))


def test_cutdeg(Poly):
p = Poly([1, 2, 3])
assert_raises(ValueError, p.cutdeg, .5)
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