How to calculate the one's complement of the binary representation of a single precision variable in Simulink (or embedded Matlab)?

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Ralf 2016 年 9 月 2 日

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https://jp.mathworks.com/matlabcentral/answers/301730-how-to-calculate-the-one-s-complement-of-the-binary-representation-of-a-single-precision-variable-in

編集済み: Ralf 2016 年 9 月 2 日

Hello everybody, I need to to convert a Simulink signal with data type 'single' to its one's complement. I tried to use a data type conversion block to convert the single precision signal to a uint32 signal, with 'equal stored integer (SI)' option activated. Then I wanted to pass it through a 'bitwise NOT' block to get the one's complement.

But the data type conversion didn't work as expected. It neglects all fractional digits.

Thanks a lot, Ralf