thebookofshaders/glossary/ceil/README.md
2017-08-23 11:34:44 +02:00

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## Ceil
Find the nearest integer that is greater than or equal to the parameter
### Declaration
```glsl
float ceil(float x)
vec2 ceil(vec2 x)
vec3 ceil(vec3 x)
vec4 ceil(vec4 x)
```
### Parameters
```x``` specify the value to evaluate.
### Description
```ceil()``` returns a value equal to the nearest integer that is greater than or equal to ```x```.
<div class="simpleFunction" data="y = ceil(x); "></div>
### See Also
[floor](/glossary/?search=floor), [fract](/glossary/?search=fract), [mod](/glossary/?search=mod), [Chapter 05: Shaping Functions](/05/)