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25 lines
607 B
Python
25 lines
607 B
Python
from numpy.testing import assert_equal
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from scipy.special._testutils import check_version, MissingModule
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from scipy.special._precompute.expn_asy import generate_A
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try:
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import sympy # type: ignore[import]
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from sympy import Poly
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except ImportError:
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sympy = MissingModule("sympy")
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@check_version(sympy, "1.0")
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def test_generate_A():
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# Data from DLMF 8.20.5
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x = sympy.symbols('x')
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Astd = [Poly(1, x),
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Poly(1, x),
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Poly(1 - 2*x),
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Poly(1 - 8*x + 6*x**2)]
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Ares = generate_A(len(Astd))
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for p, q in zip(Astd, Ares):
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assert_equal(p, q)
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