Round modifier
Learn how to round a number to the nearest integer.
This modifier rounds a number to the nearest whole number, based on the rounding mode and scale that you specify.
When you round a number, the output type remains the same as the input. For example, if you round a float value, the result will still be a float value. Rounding an integer has no effect, so the output is the same as the input.
Syntax
This modifier has the following syntax:
/*<value>*/ rounded
You can optionally specify a rounding mode:
/*<value>*/ rounded /*<mode>*/
And also a scale:
/*<value>*/ rounded with scale of /*<scale>*/
The /*<mode>*/ is a literal word that specifies the rounding mode and cannot be specified dynamically using expressions.
Here is a list of the supported modes:
| Mode | Description |
|---|---|
| up | Round away from zero. For example, 2.5 becomes 3 and -2.5 becomes -3. This is the default rounding mode. |
| down | Round towards zero. For example, 2.5 becomes 2 and -2.5 becomes -2. |
| half up | Round to the nearest integer, with .5 rounded up. For example, 2.5 becomes 3, and -2.5 becomes -3. |
| half down | Round to the nearest integer, with .5 rounded down. For example, 2.5 becomes 2, and -2.5 becomes -2. |
| half even | Round to the nearest integer, with .5 rounded to the nearest even number. For example, 2.5 becomes 2, and 3.5 becomes 4. |
| half odd | Round to the nearest integer, with .5 rounded to nearest odd number. For example, 2.5 becomes 3, and 3.5 becomes 3. |
Parameters
These are the supported parameters:
- value
The number to round.
- scale(optional)
A non-negative integer that specifies the number of digits to the right of the decimal point.
Examples
Here is a basic example of how to round a number using the default rounding mode:
10.5 rounded // 11
For more control, you can specify the rounding mode:
10.5 rounded down // 10
If you want to round a number to a specific number of decimal places, you can specify the scale:
10.136 rounded with scale of 2 // 10.14