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) | - | - | - | - | - | - | - | ✔ | ✔ | ✔ | ✔ | ✔ |
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