sign — extract the sign of the parameter
genType sign(
|
genType x); |
genIType sign(
|
genIType x); |
x
Specify the value from which to extract the sign.
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.
| OpenGL ES Shading Language Version | ||||
|---|---|---|---|---|
| Function Name | 1.00 | 3.00 | 3.10 | 3.20 |
| sign (genType) | ✔ | ✔ | ✔ | ✔ |
| sign (genIType) | - | ✔ | ✔ | ✔ |
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