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Documentation Rules

General Rules

All classes in IT++ should be properly documented with Doxygen comments in include (`.h') files. Source (`.cpp') files should be documented according to a normal standard for well documented C++ code.

An example of how the interface of a class shall be documented in IT++ is shown here:

/*!
 * \brief Brief description of My_Class here
 *
 * Detailed description of My_Class here. With example code if needed.
 */
class My_Class {

public:

  //! Default constructor
  My_Class(void) { setup_done = false; }

  /*!
   * \brief Constructor that initializes the class with parameters
   *
   * Detailed description of the constructor here if needed
   *
   * \param[in] param1 Description of \a param1 here
   * \param[in] param2 Description of \a param2 here
   */
  My_Class(TYPE1 param1, TYPE2 param2) { setup(param1, param2); }

  /*!
   * \brief Setup function for My_Class
   *
   * Detailed description of the setup function here if needed
   *
   * \param[in] param1 Description of \a param1 here
   * \param[in] param2 Description of \a param2 here
   */
  void setup(TYPE1 param1, TYPE2 param2);

  /*!
   * \brief Brief description of member_function1
   *
   * Detailed description of member_function1 here if needed
   *
   * \param[in]     param1 Description of \a param1 here
   * \param[in]     param2 Description of \a param2 here
   * \param[in,out] param3 Description of \a param3 here
   * \return Description of the return value here
   */
  TYPE4 member_function1(TYPE1 param1, TYPE2 param2, TYPE3 &param3);

private:

  bool setup_done;         /*!< Variable that checks if the class is properly
                                initialized with parameters */
  TYPE1 private_variable1; //!< Short description of private_variable1 here
  TYPE2 private_variable2; //!< Short description of private_variable2 here
};

File Header

All files should start with the following header, which include Doxygen's \file, \brief and \author tags, and a common copyright note:

/*!
 * \file
 * \brief Brief description of the file here
 * \author Names of the authors who contributed to this code
 *
 * Detailed description of the file here if needed.
 *
 * -------------------------------------------------------------------------
 *
 * Copyright (C) 1995-2010  (see AUTHORS file for a list of contributors)
 *
 * This file is part of IT++ - a C++ library of mathematical, signal
 * processing, speech processing, and communications classes and functions.
 *
 * IT++ is free software: you can redistribute it and/or modify it under the
 * terms of the GNU General Public License as published by the Free Software
 * Foundation, either version 3 of the License, or (at your option) any
 * later version.
 *
 * IT++ is distributed in the hope that it will be useful, but WITHOUT ANY
 * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
 * details.
 *
 * You should have received a copy of the GNU General Public License along
 * with IT++.  If not, see <http://www.gnu.org/licenses/>.
 *
 * -------------------------------------------------------------------------
 */

Grouping Various Parts

All functions must be added to a Doxygen group in order to appear in the documentation. The following code example defines the group `my_group':

/*!
 * \defgroup my_group Brief description of the group here
 *
 * Detailed description of the group here
*/

The following example shows how to document the function `my_function' and how to add it to the group `my_group':

/*!
 * \brief Brief description of my_function here
 * \ingroup my_group
 *
 * Detailed description of my_function here
 *
 * \param[in] param1 Description of \a param1 here
 * \param[in] param2 Description of \a param2 here
 * \return Description of the return value here
 */
TYPE3 my_function(TYPE1 param1, TYPE2 &param2);
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