C++ Math nearbyint() Function

C++ Math nearbyint() Function with tutorial for beginners and professionals with examples on isgreaterequal(), less(), islessequal(), islessgreater(), isunordered(), exp(), frexp(), ldexp(), log(), log10(), modf(), exp2(), expm1(), log1p(), log2(), logb(), scalbn(), scalbln() etc.

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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:

return_type nearbyint(data_type x);

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.

#include 
#include
#include 
using namespace std;
int main()
{
     float x=2.3;
    std::cout << "Value of x is:" <

Output:

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

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