[GitHub] mlaz commented on issue #947: Refactor/easing library

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mlaz commented on issue #947: Refactor/easing library
URL: https://github.com/apache/mynewt-core/pull/947#issuecomment-377970372
 
 
   @mlampert as you can see this lib is far from being optimized.
   My approach to this is to have an implementation which is accurate at first.
   Then let's talk about performance, take your LED case for instance: right now you may implement an easing_i_func_t which instead of calling one of the implemented functions may just use a lookup table.
   This is one approach, the other way we may work this out is to implement an alternate, architecture level optimized math lib (which is not something one is able to do overnight, see an exaple of this in 1.) and use it on our functions. 
   
   Some references here:
   1. https://web.archive.org/web/20161219143458/http://http.developer.nvidia.com:80/Cg/index_stdlib.html
   2. http://people.math.sfu.ca/~cbm/aands/abramowitz_and_stegun.pdf

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