kopia lustrzana https://github.com/micropython/micropython
52 wiersze
1.5 KiB
Python
52 wiersze
1.5 KiB
Python
# Tests domain errors in math functions
|
|
|
|
try:
|
|
import math
|
|
except ImportError:
|
|
print("SKIP")
|
|
raise SystemExit
|
|
|
|
inf = float("inf")
|
|
nan = float("nan")
|
|
|
|
# single argument functions
|
|
for name, f, args in (
|
|
("fabs", math.fabs, ()),
|
|
("ceil", math.ceil, ()),
|
|
("floor", math.floor, ()),
|
|
("trunc", math.trunc, ()),
|
|
("sqrt", math.sqrt, (-1, 0)),
|
|
("exp", math.exp, ()),
|
|
("sin", math.sin, ()),
|
|
("cos", math.cos, ()),
|
|
("tan", math.tan, ()),
|
|
("asin", math.asin, (-1.1, 1, 1.1)),
|
|
("acos", math.acos, (-1.1, 1, 1.1)),
|
|
("atan", math.atan, ()),
|
|
("ldexp", lambda x: math.ldexp(x, 0), ()),
|
|
("radians", math.radians, ()),
|
|
("degrees", math.degrees, ()),
|
|
):
|
|
for x in args + (inf, nan):
|
|
try:
|
|
ans = f(x)
|
|
print("%.4f" % ans)
|
|
except ValueError:
|
|
print(name, "ValueError")
|
|
except OverflowError:
|
|
print(name, "OverflowError")
|
|
|
|
# double argument functions
|
|
for name, f, args in (
|
|
("pow", math.pow, ((0, 2), (-1, 2), (0, -1), (-1, 2.3), (nan, 0), (1, nan))),
|
|
("fmod", math.fmod, ((1.2, inf), (1.2, -inf), (1.2, 0), (inf, 1.2))),
|
|
("atan2", math.atan2, ((0, 0), (-inf, inf), (-inf, -inf), (inf, -inf))),
|
|
("copysign", math.copysign, ()),
|
|
):
|
|
for x in args + ((0, inf), (inf, 0), (inf, inf), (inf, nan), (nan, inf), (nan, nan)):
|
|
try:
|
|
ans = f(*x)
|
|
print("%.4f" % ans)
|
|
except ValueError:
|
|
print(name, "ValueError")
|