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What is the difference between fir_fr16() and fir_fx16() builtin functions??

Question asked by Yaniv.Sapir on Aug 2, 2011
Latest reply on Jun 8, 2017 by MattZ

Reading the Compiler documentation I found the fract (_Fract) and accum (_Accum) native types. Looking at the fir() function help, I see the two versions, fir_fr16() and fir_fx16(). To my understanding, (short) fract is identical to fract16, so I was wondering what is the difference between the functions, and can I use them interchangeably?


Is the support for fract16 and _Fract types guarantied in the future?