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builtin_float_round.py

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# test round() with floats

# check basic cases

tests = [

[0.0],

[1.0],

[0.1],

[-0.1],

[123.4],

[123.6],

[-123.4],

[-123.6],

[1.234567, 5],

[1.23456, 1],

[1.23456, 0],

[1234.56, -2],

]

for t in tests:

print(round(*t))

# check .5 cases

for i in range(11):

print(round((i - 5) / 2))

# test second arg

for i in range(-1, 3):

print(round(1.47, i))

# test inf and nan

for val in (float("inf"), float("nan")):

try:

round(val)

except (ValueError, OverflowError) as e:

print(type(e))