numeric_limits::max_digits10
Returns the number of decimal digits required to make sure that two distinct values of the type have distinct decimal representations.
static int max_digits10 = 0;
Return Value
Returns the number of decimal digits that are required to make sure that two distinct values of the type have distinct decimal representations.
Remarks
The member stores the number of decimal digits required to make sure that two distinct values of the type have distinct decimal representations.
Requirements
Header: <limits>
Namespace: std