[BUG] Usage example /examples/gaussian_reflector_model is not working properly about vfsa HOT 1 CLOSED

       if(!sf_histint(par,"n1",&nc)) sf_error("No n1= in parameters input");

        if(! sf_getbool("verb",&verb)) verb=0;
        /* 1: active mode; 0: quiet mode */

        if (verb) {

                sf_warning("Active mode on!!!");
                sf_warning("Command line parameters: ");
                sf_warning("m0=%f v0=%f t0=%f",m0,v0,t0);
                sf_warning("Input file parameters: ");
                sf_warning("n1=%i d1=%f o1=%f",nh,dh,oh);
                sf_warning("n2=%i d2=%f o2=%f",nm,dm,om);
                sf_warning("Param file parameters: ");
                sf_warning("n1=%i",nc);
        }

        c = sf_floatalloc(nc);
        sf_floatread(c,nc,par);

        RN = c[0];
        RNIP = c[1];
        BETA  = c[2];