Subversion Repositories cdc_ufifo

/*

    standart utils verilog include

*/

function integer clog2 (input integer num); // this function calculates ceil(log2(num))

begin

    num = num - 1;                          // without this statement clog2(32) will be 6 but must be 5    

    for (clog2 = 0; num > 0; clog2 = clog2 + 1)

        num = num >> 1;

end

endfunction