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{code}
function continueSimulation=pre_xcos_simulate(scs_m, needcompile)
    // Retrieve all objects
    objs = scs_m.objs;

    clrBlock = [];
    //Looking for CLR block
    for i=1:size(objs)
        if objs(i).gui == "CLR" then
            clrBlock = objs(i);
            break;
        end
    end

    // Check if we found some CLR
    if isempty(clrBlock) then
        disp("No CLR block found.")
        return
    end

    // Retrieve exprs
    exprs = clrBlock.graphics.exprs;
    s = poly(0,'s');
    num = eval(exprs(1));
    den = eval(exprs(2));
    h = syslin('c', num/den);
    // Open new figure then plot Bode
    scf(max(winsid())+1);
    bode(h, 0.01, 100);

    // Stop after bode plot. We do not want any simulation.
    continueSimulation = %f;
endfunction
{code}
//xcos_simulate(scs_m, 4);