log2 — return the base 2 logarithm of the parameter
genType log2(
|
genType x); |
x
Specify the value of which to take the base 2 logarithm.
log2 returns the base 2 logarithm of $x$,
i.e. the value $y$ which satisfies $x = 2^y$. The result is
undefined if $x \leq 0$.
| OpenGL ES Shading Language Version | ||||
|---|---|---|---|---|
| Function Name | 1.00 | 3.00 | 3.10 | 3.20 |
| log2 | ✔ | ✔ | ✔ | ✔ |
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