Difference between revisions of "LlSqrt"

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m
m (note about other roots, since they are sometimes useful)
 
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|func=llSqrt|sort=Sqrt
|func=llSqrt|sort=Sqrt
|func_id=4|func_sleep=0.0|func_energy=10.0
|func_id=4|func_sleep=0.0|func_energy=10.0
|func_footnote=Triggers a {{LSLGC|Error/Math|Math Error}} for imaginary results <code>({{LSLPT|val}} < 0.0)</code>
|func_footnote=For imaginary results (val < 0.0), a {{LSLGC|Error/Math|Math Error}} is triggered under LSO , or 'NaN' (Not A Number) is returned under Mono
|p1_type=float|p1_name=val|p1_desc=positive number (val &gt;= 0.0)
|p1_type=float|p1_name=val|p1_desc=positive number (val &gt;= 0.0)
|return_type=float
|return_type=float
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|constants
|constants
|examples=
|examples=
<lsl>
<source lang="lsl2">
default
default
{
{
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   }
   }
}
}
</lsl>
</source>
|helpers
|helpers
|also_functions={{LSL DefineRow||[[llLog]]|}}
|also_functions={{LSL DefineRow||[[llLog]]|}}
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|also_articles
|also_articles
|also_tests
|also_tests
|notes=If you need the square root of two use [[SQRT2]].
|notes=*If you need the square root of two, you can use the constant [[SQRT2]].
*Other roots can be computed by [[llPow]]('''val''', 1.0/'''root''').
|permission
|permission
|negative_index
|negative_index

Latest revision as of 12:51, 11 October 2023

Summary

Function: float llSqrt( float val );

Returns a float that is the square root of val.

• float val positive number (val >= 0.0)

For imaginary results (val < 0.0), a Math Error is triggered under LSO , or 'NaN' (Not A Number) is returned under Mono

Caveats

  • Crashes the script if passed a negative number.
All Issues ~ Search JIRA for related Bugs

Examples

default
{
  state_entry()
  {
    float num1 = llFrand(100.0);

    llOwnerSay("The square root of " + (string)num1 + " is " + (string)llSqrt(num1));
  }
}

Notes

  • If you need the square root of two, you can use the constant SQRT2.
  • Other roots can be computed by llPow(val, 1.0/root).

See Also

Functions

•  llLog
•  llLog10
•  llPow

Deep Notes

Search JIRA for related Issues

Signature

function float llSqrt( float val );

Haiku

Gleaming in the sun
the water gun lays broken.
It's SQuare RooT not SQuiRT.