mirror of
https://github.com/patriciogonzalezvivo/thebookofshaders
synced 2024-11-09 19:10:24 +00:00
23 lines
516 B
Markdown
23 lines
516 B
Markdown
## Log2
|
|
Return the base 2 logarithm of the parameter
|
|
|
|
### Declaration
|
|
```glsl
|
|
float log2(float x)
|
|
vec2 log2(vec2 x)
|
|
vec3 log2(vec3 x)
|
|
vec4 log2(vec4 x)
|
|
```
|
|
|
|
### Parameters
|
|
```x``` specify the value of which to take the base 2 logarithm.
|
|
|
|
### Description
|
|
```log2()``` returns the base 2 logarithm of ```x```.
|
|
|
|
<div class="simpleFunction" data="y = log2(x); "></div>
|
|
|
|
### See Also
|
|
|
|
[log](/glossary/?search=log), [exp](/glossary/?search=exp), [exp2](/glossary/?search=exp2), [Chapter 05: Shaping Functions](/05/)
|