C++ cmath round() function
Example
Round numbers to the nearest integer:
cout << round(0.60);
cout << round(0.40);
cout << round(5);
cout << round(5.1);
cout << round(-5.1);
cout << round(-5.9);
Definition and Usage
The round() function rounds a number to the nearest integer. If the decimal part is exactly 0.5 it rounds away from zero, to the integer with largest absolute value.
The round() function is defined in the <cmath> header file.
Syntax
One of the following:
round(double number);round(float number);Parameter Values
| Parameter | Description |
|---|---|
| number | Required. Specifies a number. If the number is an integer type then it will be treated as a double. |
Technical Details
| Returns: | A float value (if the argument is float) or double value (in any other case) representing the nearest integer to a number. |
|---|
