/src/main/java/net/finmath/optimizer/LevenbergMarquardt.java
parameterFiniteDifference = parameterTest[workerParameterIndex];
parameterFiniteDifference = parameterSteps[workerParameterIndex];
final int workerParameterIndex = parameterIndex; final Callable<double[]> worker = new Callable<double[]>() { @Override public double[] call() { double parameterFiniteDifference; if(parameterSteps != null) { <extra_id_0> } else { parameterFiniteDifference = (Math.abs(parametersNew[workerParameterIndex]) + 1) * 1E-8; } parametersNew[workerParameterIndex] += parameterFiniteDifference; try {