Why does the fixed-point multiplication block from the Fixed-Point Blockset sometimes produce incorrect results?
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Under certain simulation conditions, I receive incorrect results when multiplying two fixed point values. For example, when performing fixed point multiplcation on numbers that should return a negative, 64+ bit value, I sometimes receive the wrong result.
Accepted Answer
MathWorks Support Team
on 27 Jun 2009
This bug has been fixed for Release 14 (R14). For previous releases, please read below for any possible workarounds:
This problem has been fixed in the Fixed Point Blockset Version 4.1 (13SP1). If you are using a previous version, there is no known workaround.
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