llAsin

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/LSL

Asin

llAsin

Summary

Function: float llAsin( float val );

0.0	Forced Delay
10.0	Energy

Returns a float that is the arcsine in radians of val

• float

val

–

must fall in the range [-1.0, 1.0]

The returned value is in the range [-PI_BY_TWO, PI_BY_TWO]^[1], or NaN signifying a complex result when the parameter is out of range.

Caveats

• Triggers a Math Error for complex results if not compiled in Mono.

Examples

// Touch the object with this script in it to see the arcsine of random numbers!
default
{
    touch_start(integer num)
    {
        float r = llFrand(2) - 1.0;
        llOwnerSay("The arcsine of " + (string)r + " is " + (string)llAsin(r));
    }
}

See Also

Functions

• llSin		–	sine
• llCos	llAcos	–	cosine & inverse cosine
• llTan	llAtan2	–	tangent & inverse tangent

Articles

•

Inverse trigonometric function

Deep Notes

Footnotes

1. ^ The ranges in this article are written in Interval Notation.

Expand Signature
function float llAsin( float val );