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