sign

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Extract the sign of the parameter.

Declaration[edit]

genType sign( genType x );
genIType sign( genIType x );
genDType sign( genDType x );


Parameters[edit]

x - Specify the value from which to extract the sign.


Description[edit]

 sign returns -1.0 if x is less than 0.0, 0.0 if x is equal to 0.0, and +1.0 if x is greater than 0.0.


Version Support[edit]

sign (genType) 1.3+
sign (genIType) 1.5+
sign (genDType) 4.0+

See Also[edit]

 abs 


Copyright[edit]

Copyright© 2011-2014 Khronos Group. This material may be distributed subject to the terms and conditions set forth in the Open Publication License, v 1.0, 8 June 1999. http://opencontent.org/openpub/.