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21 lines
448 B
Markdown
21 lines
448 B
Markdown
10 years ago
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## Log2
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Return the base 2 logarithm of the parameter
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```glsl
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float log2(float x)
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vec2 log2(vec2 x)
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vec3 log2(vec3 x)
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vec4 log2(vec4 x)
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```
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### Parameters
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```x``` Specify the value of which to take the base 2 logarithm.
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### Description
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```log2()``` returns the base 2 logarithm of ```x```.
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<div class="simpleFunction" data="y = log2(x); "></div>
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### See Also
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[log](index.html#log.md), [exp](index.html#exp.md), [exp2](index.html#exp2.md)
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