Covergroup for a multidimensional array

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In reply to sfenil1804:

Yes, but I’m sure you forgot that uniq_yes,uniq_no are static variables that don’t get reset to 0 each time the function gets called. But you don’t need these variables. You could have written

function bit uniq (ref addr);
    foreach (addr[i,j]) 
      foreach (addr[a,b])
        if !(i!=a && j!=b) 
          if (addr[i,j] == addr[a,b])
            return 0;
// can only get here if addr is unique
    return 1;
endfunction