llFrand

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/LSL

Frand

llFrand

Summary

Function: float llFrand( float mag );

8	Function ID
0.0	Forced Delay
10.0	Energy

Returns a float that is pseudo random number in the range [0.0,mag) or (mag, 0.0].

• float

mag

–

Any valid float value

Specification

returns a pseudo random number in range [0.0, mag) or (mag, 0.0], depending upon the sign of mag.

Caveats

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Examples

default
{
    touch_start(integer total_number)
    {
        // When touched, say "Heads" with probability 0.5, 
        // otherwise, say "Tails."
        if ( llFrand(1.) < .5)
            llSay(0, "Heads");
        else
            llSay(0, "Tails");
    }
}

Notes

The random number generator is not a source of entropy.

The sequence of random numbers are shared across the entire process, and not independently seeded. Therefore, the pseudo random number generation is not suitable for any application which requires completely predictable or completely unpredictable results.

Deep Notes

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Signature
function float llFrand( float mag );