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Returns the smallest integer value that is greater than or equal to the specified value.
| ret ceil(x) |
|---|
Parameters
| Item | Description |
|---|---|
| x |
[in] The specified value. |
Return Value
The smallest integer value (returned as a floating-point type) that is greater than or equal to the x parameter.
Type Description
| Name | Template Type | Component Type | Size |
|---|---|---|---|
| x | scalar, vector, or matrix | float | any |
| 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) | vs_1_1 |
Requirements
| Requirement | Value |
|---|---|
| Header |
|