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C++ Math lround()

This function is used to round off the given value and cast to long integer.


Suppose a number is 'x'. Syntax would be:


x: The value which can be either float or double.

Return value

It returns the rounded value of x. The return type of the function is long int.

Example 1

Let's see a simple example of using lround() function


The value of x is : 2.3
The value of y is : -12.6
The value of z is : 23.6
Rounded value of x is : 2
Rounded value of y is : -13
Rounded value of z is : 24

Next TopicC++ Math Functions

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