Update other_libs.md

docs/other_libs.md

@@ -29,12 +29,13 @@ Not public domain:
 - **3D** [tinyobjloader](https://github.com/syoyo/tinyobjloader): wavefront OBJ file loader (BSD license)
 - **2D** [blendish](https://bitbucket.org/duangle/oui-blendish/src): blender-style widget rendering (MIT license)
 - **math** [mm_vec.h](https://github.com/vurtun/mmx): vector math (BSD license)
+- _**math** [ShaderFastLibs](https://github.com/michaldrobot/ShaderFastLibs): approximate transcendental functions optimized for shaders (esp. GCN) (MIT license)_
 - **geometry** [sdf.h](https://github.com/memononen/SDF): compute signed-distance field from antialiased image (MIT license)
 - **geometry** [nanoflann](https://github.com/jlblancoc/nanoflann): build KD trees for point clouds (BSD license)
 - **geometry** [jc_voronoi](https://github.com/JCash/voronoi): find voronoi regions on float/double data (MIT license)
 - **geometry** [par_msquares](https://github.com/prideout/par): convert (binarized) image to triangles (MIT license)
 - **geometry** [tk_objfile](https://github.com/joeld42/tk_objfile): OBJ file loader (MIT license)
-- _**geometry** [par_shapes](http://github.prideout.net/shapes/): generate various 3d geometric shapes (MIT license)_
+- **geometry** [par_shapes](http://github.prideout.net/shapes/): generate various 3d geometric shapes (MIT license)
 - **network** [mm_web.h](https://github.com/vurtun/mmx): lightweight webserver, fork of webby (BSD license)
 - **network** [par_easycurl.h](https://github.com/prideout/par): curl wrapper (MIT license)
 - **audio** [aw_ima.h](https://github.com/afterwise/aw-ima/blob/master/aw-ima.h): IMA-ADPCM audio decoder (MIT license)