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Found 2 results

  1. Hi all, I'm quite new to all the SystemC world. As far as I got the sc_fixed type should be synthesizable. My problem at the moment is that I have a number, and I need the negative version of that number. The easiest way to do it is to multiply for -1. The problem is the HLS. I actually don't know how this it will be handled by the tool. I would like to avoid to instantiate a multiplier just to do a simple 2 complement operation ( flip the bits and adding 1 to the LSB ). If I can't trust the HLS tools I guess the safest way would be to do the 2 complement by myself, but even there I
  2. How to output "float (double)" from sc_fixed type class using sc_trace? I have an existing model (all in floating point design, using "sc_signal<double>"), and am trying to convert it to its fixed point one (i.e. using sc_signal<sc_fixed< ,,,, > >"). sc_signal<double> ch_a; sc_signal<sc_fixed<16,8, SC_RND, SC_SAT> > ch_a_fix; sc_trace(tf, ch_a, "ch_a" ); // floating point channel tracing, it traces signal in "double". sc_trace(tf, ch_a_fix, "ch_a_fix ); // fixed point channel tracing: it traces signal in "integer numbers". The question
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