|
|
Returns true if x is NAN or QNAN, false otherwise.
| ret isnan(x) |
|---|
Where:
| Name | In/Out | Template Type | Component Type | Size |
|---|---|---|---|---|
| x | in | scalar, vector, or matrix | float | any |
| ret | out | scalar | bool | 1 |
This intrinsic function is supported in the following (or above) shader versions:
| Vertex Shader | Pixel Shader |
|---|---|
| vs_1_1 | ps_2_0 |