sign
Returns the sign of x.
| ret sign(x) |
|---|
Parameters
| Item | Description |
|---|---|
| x |
[in] The input value. |
Return Value
Returns -1 if x is less than zero; 0 if x equals zero; and 1 if x is greater than zero.
Type Description
| Name | Template Type | Component Type | Size |
|---|---|---|---|
| x | scalar, vector, or matrix | float, int | any |
| ret | same as input x | int | same dimension(s) as input x |
Minimum Shader Model
This function is supported in the following shader models.
| Shader Model | Supported |
|---|---|
| Shader Model 2 (DirectX HLSL) and higher shader models | yes |
| Shader Model 1 (DirectX HLSL) | yes (vs_1_1 and ps_1_4) |