tests/float: Test domain errors for more combos of args to math funcs.
Instead of having a special set of arguments to test for each math-module function, just test all functions with all sets of arguments. This gives improved test cases to prevent regressions. Signed-off-by: Damien George <damien@micropython.org>
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@ -10,25 +10,25 @@ inf = float("inf")
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nan = float("nan")
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nan = float("nan")
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# single argument functions
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# single argument functions
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for name, f, args in (
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for name, f in (
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("fabs", math.fabs, ()),
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("fabs", math.fabs),
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("ceil", math.ceil, ()),
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("ceil", math.ceil),
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("floor", math.floor, ()),
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("floor", math.floor),
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("trunc", math.trunc, ()),
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("trunc", math.trunc),
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("sqrt", math.sqrt, (-1, 0)),
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("sqrt", math.sqrt),
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("exp", math.exp, ()),
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("exp", math.exp),
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("log", math.log, ()),
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("log", math.log),
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("sin", math.sin, ()),
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("sin", math.sin),
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("cos", math.cos, ()),
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("cos", math.cos),
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("tan", math.tan, ()),
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("tan", math.tan),
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("asin", math.asin, (-1.1, 1, 1.1)),
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("asin", math.asin),
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("acos", math.acos, (-1.1, 1, 1.1)),
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("acos", math.acos),
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("atan", math.atan, ()),
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("atan", math.atan),
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("ldexp", lambda x: math.ldexp(x, 0), ()),
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("ldexp", lambda x: math.ldexp(x, 0)),
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("radians", math.radians, ()),
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("radians", math.radians),
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("degrees", math.degrees, ()),
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("degrees", math.degrees),
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):
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):
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for x in args + (inf, -inf, nan):
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for x in (0, 1, 1.1, -1, -1.1, inf, -inf, nan):
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try:
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try:
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ans = "%.4f" % f(x)
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ans = "%.4f" % f(x)
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except ValueError:
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except ValueError:
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@ -38,35 +38,54 @@ for name, f, args in (
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print("%s(%.4f) = %s" % (name, x, ans))
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print("%s(%.4f) = %s" % (name, x, ans))
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# double argument functions
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# double argument functions
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for name, f, args in (
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for name, f in (
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(
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("pow", math.pow),
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"pow",
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("log", math.log),
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math.pow,
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("fmod", math.fmod),
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(
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("atan2", math.atan2),
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(0, 2),
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("copysign", math.copysign),
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(-1, 2),
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(0, -1),
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(-1, 2.3),
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(0.5, inf),
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(-0.5, inf),
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(0.5, -inf),
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(-0.5, -inf),
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(1.5, inf),
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(-1.5, inf),
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(1.5, -inf),
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(-1.5, -inf),
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(nan, 0),
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(1, nan),
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),
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),
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("log", math.log, ()),
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("fmod", math.fmod, ((1.2, inf), (1.2, -inf), (1.2, 0), (inf, 1.2))),
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("atan2", math.atan2, ((0, 0), (-inf, inf), (-inf, -inf), (inf, -inf))),
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("copysign", math.copysign, ()),
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):
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):
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for x in args + ((0, inf), (inf, 0), (inf, inf), (inf, nan), (nan, inf), (nan, nan)):
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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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try:
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ans = "%.4f" % f(*x)
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ans = "%.4f" % f(*x)
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except ValueError:
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except ValueError:
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ans = "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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print("%s(%.4f, %.4f) = %s" % (name, x[0], x[1], ans))
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26
tests/float/math_domain_python311.py
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26
tests/float/math_domain_python311.py
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@ -0,0 +1,26 @@
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# 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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5
tests/float/math_domain_python311.py.exp
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5
tests/float/math_domain_python311.py.exp
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@ -0,0 +1,5 @@
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pow(0.0000, -inf) = inf
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log(0.0000, -inf) = ValueError
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fmod(0.0000, -inf) = 0.0000
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atan2(0.0000, -inf) = 3.1416
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copysign(0.0000, -inf) = -0.0000
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