C++ Math nearbyint()

The function rounds off the given value to a nearby integral value by using the current rounding method. The current rounding method is described by fegetround.

Syntax

Suppose a number is ‘x’. Syntax would be:

Note: The return_type can be float, double or long double.

Parameter

x: The value can be float or double.

Return value

It returns the rounded value of x to a nearby integral value by using the rounding method.

Example 1

Let’s see a simple example.

Output:

Value of x is:2.3  Rounding to nearby,value is :2