VocAlgorithm__mean_variance_estimator__get_std
VocAlgorithm__mean_variance_estimator__get_std(VocAlgorithmParams* params);
params, VocAlgorithm__mean_variance_estimator__get_std(params),
*state1 = VocAlgorithm__mean_variance_estimator__get_std(params);
params, VocAlgorithm__mean_variance_estimator__get_std(params),