27 lines
681 B
Python
27 lines
681 B
Python
# Tests domain errors in math functions.
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# This is split out from math_domain.py because math.pow(0, -inf) was changed
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# in Python 3.11, and so this test requires a .py.exp file.
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# (See https://github.com/python/cpython/issues/88505)
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try:
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import math
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except ImportError:
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print("SKIP")
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raise SystemExit
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inf = float("inf")
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for name, f in (
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("pow", math.pow),
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("log", math.log),
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("fmod", math.fmod),
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("atan2", math.atan2),
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("copysign", math.copysign),
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):
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for x in ((0, -inf),):
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try:
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ans = "%.4f" % f(*x)
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except ValueError:
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ans = "ValueError"
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print("%s(%.4f, %.4f) = %s" % (name, x[0], x[1], ans))
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