Python math library | isfinite() and remainder() method
Python has math library and has many functions regarding to it.
math.remainder() method returns an exact (floating) value as a remainder.
For finite x and finite nonzero y, this is the difference x – n*y, where n is the closest integer to the exact value of the quotient x / y. If x / y is exactly halfway between two consecutive integers, the nearest even integer is used for n. The remainder
r = remainder(x, y) thus always satisfies abs(r) <= 0.5 * abs(y).
1.0 0.0 -2.0 0.0
math.isfinite() function –
math.isfinite() method returns True if x is neither an infinity nor a NaN, and False otherwise. (Note that 0.0 is considered finite.)
True False True True
Reference: Python Math Library