- TIBCO BusinessEvents®
- Standard
- Math

# Math.floor()

## Signature

`double floor (double a)`

## Domain

ACTION, CONDITION, QUERY, BUI

## Description

Returns the largest (closest to positive infinity) `double` value that is not greater than the argument and is equal to a mathematical integer. Special cases:
If the argument value is already equal to a mathematical integer, then the result is the same as the argument.
If the argument is NaN or an infinity or positive zero or negative zero, then the result is the same as the argument.

## Parameters

Name | Type | Description
--- | --- | ---
`a` | `double` | A value.

## Returns

Type | Description
--- | ---
`double` | The largest (closest to positive infinity) floating-point value that is not greater than the argument and is equal to a mathematical integer.

## Cautions

none