utilities.h

此代码经过大量使用

/***************************************************************************
                          utilities.h  -  description
                             -------------------
    begin                : Wed May 22 2002
    copyright            : (C) 2002 by R黡iger Koch
    email                : [e-mail]
 ***************************************************************************/

/***************************************************************************
 *                                                                         *
 *   This program 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 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 ***************************************************************************/

using namespace std;
#include <string>

/**
  * wrap some useful functions and classes not directly related to the core
  * of Amygdala
  */

namespace Utilities {

    /** @return a random number between 0. and 100.  */
    float RandPercent();
    float GaussRand(float mean, float sigma);
    /** @return a string representation of an integer */
    string itostr(int val);
    /** @return a string representation of a float */
    string ftostr(float val);

    /** creates a directory with a random name. The called must take
      * care of deleting it later. This function exists because of
      * portablity and other issues with the system functions
      * @return the name of the directory created
      * @throw runtime_exception in case the directory cannot be created
      */
    string MkTempDir();
}