View source for %op

%OP( , , ) : [[Event_Handler]] macro for numeric calculations. 


Format: %OP(integer1,operator,integer2) 

*no space is allowed between ',' and the operator. 
* The operator can be one of:

{| border="1"
|-
| + || add
|-
| - || subtract
|-
| * || multiply
|-
| / || divide
|-
| < ||less
|-
| <= || less or equal
|-
| > || greater
|-
| >= || greater or equal
|-
| = || equal
|-
| == || equal
|-
| != ||not equal
|-
| << || bit shift left / up
|-
| >> || bit shift right / down
|-
| && || logical AND (return 1 if True, 0 if False) 
|-
| <nowiki>||</nowiki> || logical or (return 1 if True, 0 if False) 
|-
| & || bitwise and
|-
| <nowiki>|</nowiki> || bitwise or 
|-
| ! || logical not of second operand
|-
| ^ || bitwise xor 
|-
|}

* integers are 32 bit internally
* the codes for the different operations are taken from the C programming language.

== Example ==
'''%op(%1.phy,+,1)''' - adds one to the physical number of the event owner. Which can be used to send a message to the next station, and creating a chain of events over all stations.  

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Back to [[Event_Handler#List_of_macros]].

[[Category:Event Handler macros]]
[[Category:Event Handler]]