gaus_05.cc

这是一个从音频信号里提取特征参量的程序

// file: $isip/class/stat/GaussianModel/gaus_05.cc
// version: $Id: gaus_05.cc,v 1.7 2002/04/02 17:09:35 alphonso Exp $
//

// system include files
//
#include <typeinfo>

// isip include files
//
#include "GaussianModel.h"

// method: assign
//
// arguments:
//  const GaussianModel& arg: (input) data to copy
//
// return: a boolean value indicating status
//
// copy the input model to current model
//
boolean GaussianModel::assign(const GaussianModel& arg_a) {

  // assign the mean vector and covariance matrix
  //
  mean_d.assign(arg_a.mean_d);
  covariance_d.assign(arg_a.covariance_d);
  orig_covar_d.assign(arg_a.orig_covar_d);  

  // assign the accumulators
  //
  occ_accum_d = arg_a.occ_accum_d;
  access_accum_d = arg_a.access_accum_d;  
  mean_accum_d.assign(arg_a.mean_accum_d);
  covar_accum_d.assign(arg_a.covar_accum_d);
    
  // assign the scale factor
  //
  scale_d = arg_a.scale_d;

  // assign the computation mode
  //
  mode_d = arg_a.mode_d;
  is_valid_d = arg_a.is_valid_d;

  // exit gracefully
  //
  return true;
}

// method: assign
//
// arguments:
//  const StatisticalModelBase& arg: (input) object to assign
//
// return: a boolean value
//
// this method assigns input argument to current argument
//
boolean GaussianModel::assign(const StatisticalModelBase& arg_a) {

  if (typeid(arg_a) == typeid(GaussianModel)) {
    return assign((GaussianModel&)arg_a);
  }
  else {
    return Error::handle(name(), L"assign", Error::ARG, __FILE__, __LINE__);
  }
}