Difference between revisions of "SGN"

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imported>Clippy
(Created page with 'The '''SGN''' function returns the sign of a number value. ''Syntax:'' sign% = SGN(value) * Returns -1 when a sign is negative. * Returns 0 when a value is zero. * Returns …')
 
imported>Keybone
m (Added missing comma, fixed wording of function description to make less ambiguous.)
 
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''Syntax:'' sign% = SGN(value)
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{{PageSyntax}}
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:: sign% = SGN(value)
  
  
  
* Returns -1 when a sign is negative.
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* Returns -1 when a sign is negative, 0 when a value is zero, or 1 when a value is positive.
* Returns 0 when a value is zero.
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* Function is used to store the original sign of a number.
* Returns 1 when a value is positive.
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* '''QB64''' allows programs to return only [[_UNSIGNED]] variable values using a [[_DEFINE]] statement.
* Used to hold the original sign of a number.
 
  
  
''See also:'' [[ABS]]
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''Example:'' Checking and changing negative values to positive ones.
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{{CodeStart}}
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n = -100
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{{Cl|IF...THEN|IF}} {{Cl|SGN}}(n) = -1 THEN n = {{Cl|ABS}}(n)
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PRINT n '' ''
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{{CodeEnd}}
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{{OutputStart}} 100
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{{OutputEnd}}
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''See also:''  
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* [[ABS]]
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* [[_DEFINE]], [[_UNSIGNED]]
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* [[Mathematical Operations]]
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{{PageNavigation}}

Latest revision as of 02:36, 30 July 2019

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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