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--- en:software:qview:qview_6:qcl_library:vc10calendar [2017/01/31 17:52] – [Note] qem103
+++ en:software:qview:qview_6:qcl_library:vc10calendar [2019/08/29 17:01] (current) – external edit 127.0.0.1
@@ Line 1: / Line 1: @@
+====== VC10Calendar ======
+**V = **//Variables//
+**C = **//Calculation functions//
+The VC10Calendar function __calculates the day of the week (iin numerical form see the Note) starting from the date expressed as day, month and year__ starting from 1/1/2000.\\
+The function sets a negative value if you passed a wrong topic. The value determines the type of error.
+===== IMPLEMENTATION =====
+**VC10Calendar (day, month, year, numday)**
+Parameters:
+^IN/OUT^VARIABLE TYPE^EXAMPLE NAME^DIM^^
+|  IN  |  SYSTEM  |  day  |  L  |Number of the day (1÷31)|
+|  IN  |  SYSTEM  |  month  |  L  |Number of the month (1÷12)|
+|  IN  |  SYSTEM  |  year  |  L  |Year - 4 digits - (from 2000 onwards)|
+|  OUT  |  SYSTEM  |  numday  |  L  |Day of the week expressed in number:\\ 0 = Sunday\\ 1 = Monday\\ 2 = Tuesday\\ 3 = Wednesday\\ 4 = Thursday\\ 5 = Friday\\ 6 = Saturday|
+==== Error ====
+If there was any data entry error would be reported on the **numday** variable with negative values. In particular:\\
+-1 = error in entering the day\\
+-2 = error in entering the month\\
+-3 = error in entering the year\\
+-4 = error in entering the day February month
+=== Example ===
+In the example, If the day of the week of June 19, 2002 is Wednesday, it activates 'ofUscita' output.
+<code QCL>
+day = 19
+month = 6
+year = 2002
+VC10Calendar (day, month, year, numday)
+IF (numday EQ 3)
+	SETOUT ofUscita
+ENDIF
+</code>
+=== Note ===
+  * The function execute a WAIT a time every 180 milliseconds