Name

sign — extract the sign of the parameter

Declaration

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

Parameters

x

Specify the value from which to extract the sign.

Description

sign returns -1.0 if x0.0, 0.0 if x0.0 and 1.0 if x0.0.

Version Support

OpenGL ES Shading Language Version
Function Name 1.00 3.00
sign (genType)✔✔
sign (genIType)-✔

See Also

abs

Copyright

Copyright © 2011-2013 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.