void printRslt(TestFunctionInstance rslt) {
   System.out.println(rslt.getParameters());
   System.out.println(rslt.ll.getLikelihood().getLogLikelihood());
   System.out.println();
   double[] scmp = rslt.scomponent();
   for (int i = 0; i < scmp.length; ++i) {
     System.out.println(scmp[i]);
   }
   System.out.println();
 }