SGN: Difference between revisions

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The '''SGN''' function returns the sign of a number value.
The '''SGN''' function returns the sign of a number value.




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''See also:''
{{PageSeeAlso}}
* [[ABS]]
* [[ABS]]
* [[_DEFINE]], [[_UNSIGNED]]
* [[_DEFINE]], [[_UNSIGNED]]

Latest revision as of 01:06, 29 January 2023

The SGN function returns the sign of a number value.


Syntax

sign% = SGN(value)


  • Returns -1 when a sign is negative, 0 when a value is zero, or 1 when a value is positive.
  • Function is used to store the original sign of a number.
  • QB64 allows programs to return only _UNSIGNED variable values using a _DEFINE statement.


Example: Checking and changing negative values to positive ones.

n = -100
IF SGN(n) = -1 THEN n = ABS(n)
PRINT n
 100


See also



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