Return true if this value is a normal floating-point number. Non-normal values (zero, infinity, and NaN) often need to be handled separately because they are represented using special exponent values and their mantissa is not defined.
See Implementation
Return true if this value is a normal floating-point number. Non-normal values (zero, infinity, and NaN) often need to be handled separately because they are represented using special exponent values and their mantissa is not defined.