llSin

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/LSL

Sin

llSin

Summary

Function: float llSin( float theta );

0	Function ID
0.0	Forced Delay
10.0	Energy

Returns a float that is the sine of theta.

• float

theta

–

angle expressed in radians

Caveats

Because of IEE754 on floats , llSin(PI) returns -8.742278E-8 ( hex : 0xB3BBBD2E ) and not 0.0 . The error is cumulative with multiples of PI : For instance llSin(100000.0*PI) = 0.015890 when the result should be 0.0

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Examples

// Touch the object with this script in it to see the sine of random numbers!
default
{
    touch_start(integer num)
    {
        float r = llFrand(TWO_PI);
        llOwnerSay("The sine of " + (string)r + " in radians or " + (string)(r * RAD_TO_DEG) + " in degrees is " + (string)llSin(r));
    }
}

See Also

Functions

•	llAsin	–	inverse Sine
• llCos	llAcos	–	cosine & inverse cosine
• llTan	llAtan2	–	tangent & inverse tangent

Deep Notes

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Signature
function float llSin( float theta );