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Computes the sign of x. Returns -1 if x is less than 0, 0 if x equals 0, and 1 if x is greater than zero.
| ret sign(x) |
|---|
Where:
| Name | In/Out | Template Type | Component Type | Size |
|---|---|---|---|---|
| x | in | scalar, vector, or matrix | float, int | any |
| ret | out | same as input x | int | same dimension(s) as input x |
This intrinsic function is supported in the following (or above) shader versions:
| Vertex Shader | Pixel Shader |
|---|---|
| vs_1_1 | ps_1_4 |