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# docs.GL

GLSL 4
GLSL ES 3

# log

## Name

log — return the natural logarithm of the parameter

## Declaration

`genType log(` | genType x`)`;

## Parameters

`x`

  Specify the value of which to take the natural logarithm.

## Description

`log` returns the natural logarithm of `x`. i.e., the value y which satisfies x=e y.

## Version Support

| OpenGL Shading Language Version
--- | ---
Function Name | 1.10 | 1.20 | 1.30 | 1.40 | 1.50 | 3.30 | 4.00 | 4.10 | 4.20 | 4.30 | 4.40 | 4.50
log (genType) | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔

## See Also

sin, cos, sinh, cosh

## Copyright

Copyright © 2011-2014 Khronos Group. This material may be distributed subject to the terms and conditions set forth in the Open Publication License, v 1.0, 8 June 1999. https://opencontent.org/openpub/.

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