Athugasemd
Aðgangur að þessari síðu krefst heimildar. Þú getur prófað aðskrá þig inn eða breyta skráasöfnum.
Aðgangur að þessari síðu krefst heimildar. Þú getur prófað að breyta skráasöfnum.
Returns the specified value raised to the specified power.
| ret pow(x, y) |
|---|
Parameters
| Item | Description |
|---|---|
| x |
[in] The specified value. |
| y |
[in] The specified power. |
Return Value
The x parameter raised to the power of the y parameter.
Remarks
The pow HLSL intrinsic function calculates xy.
| X | Y | Result |
|---|---|---|
| < 0 | any | NAN |
| > 0 | == 0 | 1 |
| == 0 | > 0 | 0 |
| == 0 | < 0 | inf |
| > 0 | < 0 | 1/X-Y |
| == 0 | == 0 | Depends on the particular graphics processor 0, or 1, or NAN |
Type Description
| Name | Template Type | Component Type | Size |
|---|---|---|---|
| x | scalar, vector, or matrix | float | any |
| y | same as input x | float | same dimension(s) as input x |
| ret | same as input x | float | 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 only) |