abs — return the absolute value of the parameter
                genType abs(
               | 
              genType x); | 
            
                genIType abs(
               | 
              genIType x); | 
            
                genDType abs(
               | 
              genDType x); | 
            
x
                
              
            Specify the value of which to return the absolute.
            abs returns the absolute value of x.
        
| OpenGL Shading Language Version | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Function Name | 1.10 | 1.20 | 1.30 | 1.40 | 1.50 | 3.30 | 4.00 | 4.10 | 4.20 | 4.30 | 4.40 | 4.50 | 
| abs (genType) | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | 
| abs (genIType) | - | - | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | 
| abs (genDType) | - | - | - | - | - | - | - | ✔ | ✔ | ✔ | ✔ | ✔ | 
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/.