long l = xbt_dynar_length(power_peak);
jpower_peak = jenv->NewDoubleArray(l);
double *lout = (double *)xbt_dynar_to_array(power_peak);
long l = xbt_dynar_length(power_peak);
jpower_peak = jenv->NewDoubleArray(l);
double *lout = (double *)xbt_dynar_to_array(power_peak);