// file: tr_st_set_3.cc//// isip include files//#include "train_state.h"#include "train_state_constants.h" // method: set_mean_cc//// arguments://  flaot_4** mean : (input) mean vectors//// return: a logical_1 indicating success//// this method sets the mean vectors of all the mixtures//logical_1 Train_State::set_mean_cc(float_4** mean_a) {  // free existing memory  //  if (mean_d != (float_4**)NULL) {    for (int_4 i = 0; i < num_mixtures_d; i++) {      delete [] mean_d[i];    }    delete [] mean_d;  }    // allocate memory for mean and copy data  //  mean_d = new float_4*[num_mixtures_d];  for (int_4 i = 0; i < num_mixtures_d; i++) {    mean_d[i] = new float_4[num_features_d];    memcpy(mean_d[i], mean_a[i], num_features_d * sizeof(float_4));  }    // exit gracefully  //  return ISIP_TRUE;}