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tfm's avatar
tfm
Icon for New Contributor rankNew Contributor
3 years ago

ALT_MULT_COMPLEX is not correct

Hi, I was looking for a complex multiplication, and found in the Quartus in IP Catalog, Library/Basic Functions/Arithmetric the ALT_MULT_COMPLEX. I used it with a enable, let it produce a VHD f...
FvM's avatar
FvM
Icon for Super Contributor rankSuper Contributor
3 years ago

Hi Theo,
I can confirm that the generated VHDL code doesn't compile due to syntax errors, the Verilog code is however syntactically correct.

Regarding usage of 3 multipliers, I'm not sure, but I guess it may be an alternative algorithm to calculate complex multiply. I didnt check the results. Here's the RTL schematic, if anyone knows about the algorithm.

Regards
Frank