====== TO_UDINT ======

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

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

TO_UDINT

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

<code st-iec>
PROGRAM TO_UDINT_DEMO
   VAR
           UD1: UDINT; 
    R1: REAL;
     END_VAR
    UD1:=TO_UDINT(R1);
END_PROGRAM
</code>

===== Description =====

The function brings the whole number of the input value to the output.

===== Inputs =====

|Input|Type          |Description|
|IN   |ANY_ELEMENTARY|Input value|

===== Outputs =====

|Output|Type |Description |
|=>    |UDINT|Output value|

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

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

===== Calculation example  =====

|Input value|round ( _TO_ )|[[en:mervis-ide:35-help:035-software_basic:060-libraries:020-basic-analogue-boxes:015-mathematics:030-floor|floor]]|[[en:mervis-ide:35-help:035-software_basic:060-libraries:020-basic-analogue-boxes:015-mathematics:020-ceil|ceil]]|[[en:mervis-ide:35-help:035-software_basic:060-libraries:020-basic-analogue-boxes:015-mathematics:065-trunc|trunc]]|
|5.5        |6             |5                  |6                |5                  |
|3.8        |4             |3                  |4                |3                  |
|2.3        |2             |2                  |3                |3                  |
|-2.3       |0             |-3                 |-2               |-2                 |
|-3.8       |0             |-4                 |-3               |-3                 |
|-5.5       |0             |-6                 |-5               |-5                 |