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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) |