====== frand ======

===== Description =====

Get a floating point random number, in the range of -1...1.

===== Function prototype =====

<code>
float frand <void>
</code>

===== Arguments =====

None.

===== Return value =====

A floating-point random number, in the range of -1...1.

===== Example =====

<code>
// write random number to event log 10 times
int i
set i 0
do
  echo <zs:frand>
  incr i
while <zs:islt i 10>
</code>

... the output of which is written to the event log by [[plugins:general:zeoscript:reference:functions:echo]] as:

<file>
-0.667531
0.32609
-0.0984222
-0.295755
-0.885922
0.215369
0.566637
0.605213
0.0397656
-0.3961
</file>

===== Comments =====

None.

===== See also =====

  * [[plugins:general:zeoscript:reference:functions:srand]]
  * [[plugins:general:zeoscript:reference:functions:rand]]
  * [[plugins:general:zeoscript:reference:functions:absrand]]