is_nan(x) Returns True if x is a qNaN or sNaN; otherwise returns False.

is_infinite(x) Returns True if x is infinite; otherwise returns False.

math.ceil(x) Return the ceiling of x, the smallest integer greater than or equal to x. If x is not

decimal.localcontext(ctx=None) Return a context manager that will set the current context for the active thread to a copy of

random.paretovariate(alpha) Pareto distribution. alpha is the shape parameter.

class decimal.BasicContext This is a standard context defined by the General Decimal Arithmetic Specification. Precision is

class decimal.DivisionByZero Signals the division of a non-infinite number by zero. Can occur

__round__() __round__(ndigits) The first version returns the nearest

cmath.asinh(x) Return the inverse hyperbolic sine of x. There are two branch cuts: One extends from 1j

copy_abs() Return the absolute value of the argument. This operation is unaffected by the context and is quiet: no flags are