Difference between revisions of "LlTan"

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{{LSL_Function
{{LSL_Function
|inject-2={{LSL_Function/angle|theta}}
|func=llTan|sort=Tan
|func=llTan|sort=Tan
|func_id=2|func_sleep=0.0|func_energy=10.0
|func_id=2|func_sleep=0.0|func_energy=10.0
|func_footnote
|func_footnote
|p1_type=float|p1_name=theta|p1_desc=angle expressed in radians.
|p1_type=float|p1_name=theta
|return_type=float
|return_type=float
|return_text=that is the tangent of theta.
|return_text=that is the tangent of {{LSLP|theta}}.
|spec
|spec
|caveats
|caveats=Because of IEE754 on floats , llTan(PI_BY_TWO) returns -22877332 ( hex: 0xCBAE8A4A) and not infinity
|constants
|constants
|examples
|examples=<source lang="lsl2">// Touch the object with this script in it to see the tangent of random numbers!
default
{
    touch_start(integer num)
    {
        float r = llFrand(TWO_PI);
        llOwnerSay("The tangent of " + (string)r + " in radians or " + (string)(r * RAD_TO_DEG) + " in degrees is " + (string)llTan(r));
    }
}</source>
|helpers
|helpers
|also_functions
|also_functions=
{{LSL DefineRow|[[llSin]]|[[llAsin]]|sine & inverse Sine}}
{{LSL DefineRow|[[llCos]]|[[llAcos]]|cosine & inverse cosine}}
{{LSL DefineRow||[[llAtan2]]|inverse tangent}}
|also_events
|also_events
|also_articles
|also_articles
|also_tests
|also_tests
|notes
|notes
|permission
|negative_index
|cat1=Math/Trigonometry
|cat1=Math/Trigonometry
|cat2
|cat2

Latest revision as of 14:40, 14 September 2015

Summary

Function: float llTan( float theta );

Returns a float that is the tangent of theta.

• float theta angle expressed in radians

Caveats

Because of IEE754 on floats , llTan(PI_BY_TWO) returns -22877332 ( hex: 0xCBAE8A4A) and not infinity

All Issues ~ Search JIRA for related Bugs

Examples

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

See Also

Functions

• llSin llAsin sine & inverse Sine
• llCos llAcos cosine & inverse cosine
•  llAtan2 inverse tangent

Deep Notes

Search JIRA for related Issues

Signature

function float llTan( float theta );