kopia lustrzana https://github.com/micropython/micropython
92 wiersze
2.0 KiB
Python
92 wiersze
2.0 KiB
Python
# Tests domain errors in math functions
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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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nan = float("nan")
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# single argument functions
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for name, f in (
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("fabs", math.fabs),
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("ceil", math.ceil),
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("floor", math.floor),
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("trunc", math.trunc),
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("sqrt", math.sqrt),
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("exp", math.exp),
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("log", math.log),
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("sin", math.sin),
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("cos", math.cos),
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("tan", math.tan),
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("asin", math.asin),
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("acos", math.acos),
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("atan", math.atan),
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("ldexp", lambda x: math.ldexp(x, 0)),
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("radians", math.radians),
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("degrees", math.degrees),
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):
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for x in (0, 1, 1.12, -1, -1.12, inf, -inf, nan):
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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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except OverflowError:
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ans = "OverflowError"
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print("%s(%.4f) = %s" % (name, x, ans))
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# double argument functions
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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 (
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(0, 0),
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(0, 2),
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(0, -1),
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(1, 0),
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(1.2, 0),
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(-1, 0),
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(-1, 2),
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(-1, 2.3),
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(0, inf),
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(0.5, inf),
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(0.5, -inf),
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(0.9, inf),
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(0.9, -inf),
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(1.2, inf),
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(1.2, -inf),
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(-0.5, inf),
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(-0.5, -inf),
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(-0.9, inf),
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(-0.9, -inf),
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(-1.2, inf),
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(-1.2, -inf),
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(inf, 0),
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(inf, 1.2),
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(inf, -1.2),
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(inf, inf),
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(inf, -inf),
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(-inf, inf),
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(-inf, -inf),
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(0, nan),
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(nan, 0),
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(1, nan),
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(nan, 1),
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(inf, nan),
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(nan, inf),
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(nan, nan),
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):
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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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except ZeroDivisionError:
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ans = "ZeroDivisionError"
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print("%s(%.4f, %.4f) = %s" % (name, x[0], x[1], ans))
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