// fgmmbin/fgmm-global-to-gmm.cc
  
  // Copyright 2009-2011  Microsoft Corporation
  
  // See ../../COPYING for clarification regarding multiple authors
  //
  // Licensed under the Apache License, Version 2.0 (the "License");
  // you may not use this file except in compliance with the License.
  // You may obtain a copy of the License at
  //
  //  http://www.apache.org/licenses/LICENSE-2.0
  //
  // THIS CODE IS PROVIDED *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
  // KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED
  // WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,
  // MERCHANTABLITY OR NON-INFRINGEMENT.
  // See the Apache 2 License for the specific language governing permissions and
  // limitations under the License.
  
  #include "util/common-utils.h"
  #include "gmm/full-gmm.h"
  #include "gmm/mle-full-gmm.h"
  
  
  int main(int argc, char *argv[]) {
    try {
      using namespace kaldi;
      typedef kaldi::int32 int32;
  
      const char *usage =
          "Convert single full-covariance GMM to single diagonal-covariance GMM.
  "
          "Usage: fgmm-global-to-gmm [options] 1.fgmm 1.gmm
  ";
          
      bool binary = true;
      ParseOptions po(usage);
      po.Register("binary", &binary, "Write output in binary mode");
      po.Read(argc, argv);
  
      if (po.NumArgs() != 2) {
        po.PrintUsage();
        exit(1);
      }
  
      std::string fgmm_rxfilename = po.GetArg(1),
          gmm_wxfilename = po.GetArg(2);
      
      FullGmm fgmm;
      
      {
        bool binary_read;
        Input ki(fgmm_rxfilename, &binary_read);
        fgmm.Read(ki.Stream(), binary_read);
      }
  
      DiagGmm gmm;
      gmm.CopyFromFullGmm(fgmm);
      WriteKaldiObject(gmm, gmm_wxfilename, binary);
      KALDI_LOG << "Written diagonal GMM to " << gmm_wxfilename;
    } catch(const std::exception &e) {
      std::cerr << e.what() << '
  ';
      return -1;
    }
  }