rand
Summary
Returns a random integer.Usage
rand( [min_val, max_val] )
Parameters
Name | Type | Description | Required |
---|---|---|---|
min_val | integer | Lower limit (inclusive). | No. |
max_val | integer | Upper limit (inclusive). | No. |
Returns
Integer.Description
This operator returns a random integer. The optional parameters "min_val" and "max_val" can be used to control the range from which the random number is picked. If you want a random integer between 3 and 13 (inclusive), use (3, 13) as parameters.
Examples
Example 1
rand()
Returns a random integer.
Example 2
rand( 5 )
Returns a random integer that is greater than 4.
Example 3
rand( 3, 13 )
Returns a random integer that is greater than 2 and less than 14.
Balazs Halasy (16/06/2006 7:48 am)
Balazs Halasy (16/06/2006 8:10 am)
Comments
Default
Tuesday 09 September 2008 3:35:32 pm
Adrien
Re: Default
Wednesday 20 May 2009 9:32:28 am
Benjamin Lorteau
The default range is then 0, RAND_MAX, where RAND_MAX is an environment-dependant constant.
I tried the function 18000 times, and the max I obtained was 2147330140.
Hope it helps.