Reference for Wiring version 0027+. If you have a previous version, use the reference included with your software. If you see any errors or have any comments, let us know.
Name |
random() |
Examples |
int val;
// Sets val to a random number between -40 and 40
val = random(-40, 40);
int x;
// Sets x to a random number between 0 and 5
x = random(5); |
Description |
Generates random numbers. Each time the random() function is called, it returns an unexpected value within the specified range. If one parameter is passed to the function it will return a float between zero and the value of the parameter. The function call random(5) returns values between 0 and 5. If two parameters are passed, it will return a float with a value between the the parameters. |
Syntax |
random(value1);
random(value1, value2); |
Parameters |
value1 |
int or float |
value2 |
int or float |
|
Returns |
float |
Usage |
Application |
Related |
randomSeed()
|
Updated on September 17, 2010 02:15:50pm PDT