Forum Discussion
Altera_Forum
Honored Contributor
14 years agoMultiplication Rounding
Hey guys, I am multiplying two 32 bit numbers using LPM_MULT. Each number is in Q16.16 fixed point format. The product is a 64 bit Q32.32 number. I then shift the product to the ri...
Altera_Forum
Honored Contributor
14 years agoThis thread interestingly raised a sensible issue regarding meaning of words we use.
Indeed rounding implies immediately the rounding of fraction to integer. But with fractional notation of data buses it is quite misleading. One has to use integer view here and only use fractional view in tools like ip generators, dsp builder. It is really invasion by software mindset and very unfair...