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C++ Mat::quiet_save方法代码示例

本文整理汇总了C++中arma::Mat::quiet_save方法的典型用法代码示例。如果您正苦于以下问题:C++ Mat::quiet_save方法的具体用法?C++ Mat::quiet_save怎么用?C++ Mat::quiet_save使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在arma::Mat的用法示例。


在下文中一共展示了Mat::quiet_save方法的2个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: Save


//.........这里部分代码省略.........
  if (extension == "csv")
  {
    saveType = arma::csv_ascii;
    stringType = "CSV data";
  }
  else if (extension == "txt")
  {
    saveType = arma::raw_ascii;
    stringType = "raw ASCII formatted data";
  }
  else if (extension == "bin")
  {
    saveType = arma::arma_binary;
    stringType = "Armadillo binary formatted data";
  }
  else if (extension == "pgm")
  {
    saveType = arma::pgm_binary;
    stringType = "PGM data";
  }
  else if (extension == "h5" || extension == "hdf5" || extension == "hdf" ||
           extension == "he5")
  {
#ifdef ARMA_USE_HDF5
    saveType = arma::hdf5_binary;
    stringType = "HDF5 data";
#else
    Timer::Stop("saving_data");
    if (fatal)
      Log::Fatal << "Attempted to save HDF5 data to '" << filename << "', but "
          << "Armadillo was compiled without HDF5 support.  Save failed."
          << std::endl;
    else
      Log::Warn << "Attempted to save HDF5 data to '" << filename << "', but "
          << "Armadillo was compiled without HDF5 support.  Save failed."
          << std::endl;

    return false;
#endif
  }
  else
  {
    unknownType = true;
    saveType = arma::raw_binary; // Won't be used; prevent a warning.
    stringType = "";
  }

  // Provide error if we don't know the type.
  if (unknownType)
  {
    Timer::Stop("saving_data");
    if (fatal)
      Log::Fatal << "Unable to determine format to save to from filename '"
          << filename << "'.  Save failed." << std::endl;
    else
      Log::Warn << "Unable to determine format to save to from filename '"
          << filename << "'.  Save failed." << std::endl;

    return false;
  }

  // Try to save the file.
  Log::Info << "Saving " << stringType << " to '" << filename << "'."
      << std::endl;

  // Transpose the matrix.
  if (transpose)
  {
    arma::Mat<eT> tmp = trans(matrix);

    if (!tmp.quiet_save(stream, saveType))
    {
      Timer::Stop("saving_data");
      if (fatal)
        Log::Fatal << "Save to '" << filename << "' failed." << std::endl;
      else
        Log::Warn << "Save to '" << filename << "' failed." << std::endl;

      return false;
    }
  }
  else
  {
    if (!matrix.quiet_save(stream, saveType))
    {
      Timer::Stop("saving_data");
      if (fatal)
        Log::Fatal << "Save to '" << filename << "' failed." << std::endl;
      else
        Log::Warn << "Save to '" << filename << "' failed." << std::endl;

      return false;
    }
  }

  Timer::Stop("saving_data");

  // Finally return success.
  return true;
}
开发者ID:Falit,项目名称:mlpack,代码行数:101,代码来源:save_impl.hpp

示例2: Save

bool Save(const std::string& filename,
          const arma::Mat<eT>& matrix,
          bool fatal,
          bool transpose)
{
  Timer::Start("saving_data");

  // First we will try to discriminate by file extension.
  size_t ext = filename.rfind('.');
  if (ext == std::string::npos)
  {
    if (fatal)
      Log::Fatal << "No extension given with filename '" << filename << "'; "
          << "type unknown.  Save failed." << std::endl;
    else
      Log::Warn << "No extension given with filename '" << filename << "'; "
          << "type unknown.  Save failed." << std::endl;

    return false;
  }

  // Get the actual extension.
  std::string extension = filename.substr(ext + 1);

  // Catch errors opening the file.
  std::fstream stream;
  stream.open(filename.c_str(), std::fstream::out);

  if (!stream.is_open())
  {
    if (fatal)
      Log::Fatal << "Cannot open file '" << filename << "' for writing. "
          << "Save failed." << std::endl;
    else
      Log::Warn << "Cannot open file '" << filename << "' for writing; save "
          << "failed." << std::endl;

    return false;
  }

  bool unknownType = false;
  arma::file_type saveType;
  std::string stringType;

  if (extension == "csv")
  {
    saveType = arma::csv_ascii;
    stringType = "CSV data";
  }
  else if (extension == "txt")
  {
    saveType = arma::raw_ascii;
    stringType = "raw ASCII formatted data";
  }
  else if (extension == "bin")
  {
    saveType = arma::arma_binary;
    stringType = "Armadillo binary formatted data";
  }
  else if (extension == "pgm")
  {
    saveType = arma::pgm_binary;
    stringType = "PGM data";
  }
  else
  {
    unknownType = true;
    saveType = arma::raw_binary; // Won't be used; prevent a warning.
    stringType = "";
  }

  // Provide error if we don't know the type.
  if (unknownType)
  {
    if (fatal)
      Log::Fatal << "Unable to determine format to save to from filename '"
          << filename << "'.  Save failed." << std::endl;
    else
      Log::Warn << "Unable to determine format to save to from filename '"
          << filename << "'.  Save failed." << std::endl;
  }

  // Try to save the file.
  Log::Info << "Saving " << stringType << " to '" << filename << "'."
      << std::endl;

  // Transpose the matrix.
  if (transpose)
  {
    arma::Mat<eT> tmp = trans(matrix);

    if (!tmp.quiet_save(stream, saveType))
    {
      if (fatal)
        Log::Fatal << "Save to '" << filename << "' failed." << std::endl;
      else
        Log::Warn << "Save to '" << filename << "' failed." << std::endl;

      return false;
    }
//.........这里部分代码省略.........
开发者ID:alexeyche,项目名称:alexeyche-junk,代码行数:101,代码来源:save_impl.hpp


注:本文中的arma::Mat::quiet_save方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。