====== ISINFINITY ======

{{:en:mervis-ide:35-help:isinfinity.png}}

===== Function name =====

ISINFINITY

===== ST call =====

<code st-iec>
PROGRAM ISINFINITY_DEMO
    VAR
     REAL1,REAL2: REAL;
  END_VAR
 REAL2:= ISINFINITY(REAL1);
END_PROGRAM
</code>

===== Description =====

Compares the input variable value with infinity. Returns TRUE, if the input value is positive or negative infinity.

===== Inputs =====

|Input|Type    |Description|
|IN   |ANY_REAL|Input value|

===== Outputs =====

|Output|Type|Description |
|=>    |BOOL|Output value|

===== Application example =====

{{:en:mervis-ide:35-help:isinfinity_example.png}}