Check whether a value is infinity or not:
# Import math Library
import math
# Check whether the values are infinite or not
print(math.isinf(56))
print(math.isinf(-45.34))
print(math.isinf(+45.34))
print(math.isinf(math.inf))
print(math.isinf(float("nan")))
print(math.isinf(float("inf")))
print(math.isinf(float("-inf")))
print(math.isinf(-math.inf))
Try it Yourself » Definition and UsageThe math.isinf() method checks whether a number is infinite or not.
This method returns True if the specified number is a positive or negative infinity, otherwise it returns False.
Syntax Parameter Values Parameter Description x Required. The number to check Technical Details Return Value: Abool value, True if x is a positive or negative infinity, False otherwise Python Version: 2.6
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