modf
Splits the value x into fractional and integer parts, each of which has the same sign as x.
| ret modf(x, out ip) |
|---|
Parameters
| Item | Description |
|---|---|
| x |
[in] The x input value. |
| ip |
[out] The integer portion of x. |
Return Value
The signed-fractional portion of x.
Type Description
| Name | In/Out | Template Type | Component Type | Size |
|---|---|---|---|---|
| x | in | scalar, vector, or matrix | float, int | any |
| ip | out | same as input x | float, int | same dimension(s) as input x |
| ret | out | same as input x | float, 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 only) |
Requirements
| Requirement | Value |
|---|---|
| Header |
|