Promotic

Sign - method of the Pm object

Description:
Returns an integer indicating the sign of a number.
Syntax:
Long Sign(Double nValue)
Parameters:
nValue(Double) Any valid numeric expression.
Return values:
1 - greater than 0
0 - equal to 0
-1 - less than 0
Note:
This method is functional also in Macro expression $.expr and in the onDraw event of the PmgCanvas object.
This method is also functional in Web panels.
Example:
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var nVar1 = 12;
var nVar2 = -2.4;
var nVar3 = 0;
var nSign = Pm.Sign(nVar1);   // Returns 1
nSign = Pm.Sign(nVar2);   // Returns -1
nSign = Pm.Sign(nVar3);   // Returns 0

History:
Pm8.02.01: Created
PROMOTIC 9.0.17 SCADA system documentation - MICROSYS, spol. s r.o.

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