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--- en:software:qview:qview_6:qcl_library:vc10copy [2022/05/03 09:16] – [Note] qem214
+++ en:software:qview:qview_6:qcl_library:vc10copy [2022/05/04 11:45] (current) – [Note] qem214
@@ Line 4: / Line 4: @@
 **C = **//Calculation functions//
-The VC10Copy function copies the value from a variable to another.
+The VC10Copy function copies the content of one variable to another one based on a variable that sets its direction.
 ===== IMPLEMENTATION =====
-**VC10Copy (val01, val02)**
+**VC10Copy (dir, val01, val02)**
 Parameters:
-^IN/OUT^VARIABLE TYPE^EXAMPLE NAME^DIM^^
+^ IN/OUT   ^ VARIABLE TYPE   ^ EXAMPLE NAME  ^ DIM                                   ||
-|  IN  |  GLOBAL  |  dir  |  F  |Activation variable|
+|  IN      |  CONST/GLOBAL   |  dir          |  F/L        | Copy direction variable  |
-|  IN  |  SYSTEM  |  vala  |  F  |First variable|
+|  IN/OUT  |  SYSTEM/GLOBAL  |  vala         |  F/B/W/L/S  | First variable           |
-|  IN  |  SYSTEM  |  valb  |  F  |Second variable|
+|  IN/OUT  |  SYSTEM/GLOBAL  |  valb         |  F/B/W/L/S  | Second variable          |
+**Direction table**
+|dir = 1| val**a** ->   val**b**|
+|dir = 0| val**b** ->   val**a**|
 === Example ===
-Run the copy when the "gfCopy" flag is set to 1.
+Copy variable A to variable B
 <code QCL>
@@ Line 28: / Line 31: @@
 	vala = 1000
 	valb = 5000
+        dir = 1
         VC10Copy (dir,vala, valb)
 ENDIF
+</code>
+=== Example ===
+Copy variable B to variable A
+<code QCL>
+IF gfCopy
+	gfCopy = 0
+	vala = 1000
+	valb = 5000
+        dir = 0
+        VC10Copy (dir,vala, valb)
+ENDIF
 </code>
 === Note ===
-  * The function
+  * This function is usually used, for example, to temporarily copy a value to a supporting variable and then compare it at the end of an operation.