thebookofshaders/glossary/log/README.md

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## Log
Return the natural logarithm of the parameter
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### Declaration
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```glsl
float log(float x)
vec2 log(vec2 x)
vec3 log(vec3 x)
vec4 log(vec4 x)
```
### Parameters
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```x``` s### Declarationpecify the value of which to take the natural logarithm.
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### Description
```log()``` returns the natural logarithm of ```x```.
<div class="simpleFunction" data="y = log(x); "></div>
### See Also
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[log2](/glossary/?search=log2), [exp](/glossary/?search=exp), [exp2](/glossary/?search=exp2), [Chapter 05: Shaping Functions](/05/)