text: /**
   * @cond doxygenLibsbmlInternal
   *
   * @file    ExponentUnitsCheck.h
   * @brief   Ensures units consistent with math
   * @author  Sarah Keating
   * 
   * <!--------------------------------------------------------------------------
   * This file is part of libSBML.  Please visit http://sbml.org for more
   * information about SBML, and the latest version of libSBML.
   *
   * Copyright (C) 2020 jointly by the following organizations:
   *     1. California Institute of Technology, Pasadena, CA, USA
   *     2. University of Heidelberg, Heidelberg, Germany
   *     3. University College London, London, UK
   *
   * Copyright (C) 2019 jointly by the following organizations:
   *     1. California Institute of Technology, Pasadena, CA, USA
   *     2. University of Heidelberg, Heidelberg, Germany
   *
   * Copyright (C) 2013-2018 jointly by the following organizations:
   *     1. California Institute of Technology, Pasadena, CA, USA
   *     2. EMBL European Bioinformatics Institute (EMBL-EBI), Hinxton, UK
   *     3. University of Heidelberg, Heidelberg, Germany
   *
   * Copyright (C) 2009-2013 jointly by the following organizations: 
   *     1. California Institute of Technology, Pasadena, CA, USA
   *     2. EMBL European Bioinformatics Institute (EMBL-EBI), Hinxton, UK
   *  
   * Copyright (C) 2006-2008 by the California Institute of Technology,
   *     Pasadena, CA, USA 
   *  
   * Copyright (C) 2002-2005 jointly by the following organizations: 
   *     1. California Institute of Technology, Pasadena, CA, USA
   *     2. Japan Science and Technology Agency, Japan
   * 
   * This library is free software; you can redistribute it and/or modify it
   * under the terms of the GNU Lesser General Public License as published by
   * the Free Software Foundation.  A copy of the license agreement is provided
   * in the file named "LICENSE.txt" included with this software distribution
   * and also available online as http://sbml.org/software/libsbml/license.html
   * ---------------------------------------------------------------------- -->*/
  
  #ifndef ExponentUnitsCheck_h
  #define ExponentUnitsCheck_h
  
  
  #ifdef __cplusplus
  
  
  #include <string>
  #include <sstream>
  #include <math.h>
  
  #include <sbml/validator/VConstraint.h>
  
  #include "UnitsBase.h"
  
  LIBSBML_CPP_NAMESPACE_BEGIN
  
  class ASTNode;
  
  
  class ExponentUnitsCheck: public UnitsBase
  {
  public:
  
    /**
     * Creates a new Constraint with the given @p id.
     */
    ExponentUnitsCheck (unsigned int id, Validator& v);
  
    /**
     * Destroys this Constraint.
     */
    virtual ~ExponentUnitsCheck ();
  
  
  protected:
  
    /**
     * Checks that the units of the ASTnode 
     * are appropriate for the function being performed
     *
     * If inconsistent units are found, an error message is logged.
     */
    virtual void checkUnits (const Model& m, const ASTNode& node, const SBase & sb,
      bool inKL = false, int reactNo = -1);
    
    /**
     * Returns the preamble to use when logging constraint violations.  
     *
     * @return the preamble to use when logging constraint violations.  The
     * preamble will be prepended to each log message.  If not overriden,
     * returns an empty string.
     */
    virtual const char* getPreamble ();
  
  
    /**
     * Checks that the units of the power function are consistent
     *
     * If inconsistent units are found, an error message is logged.
     */
    void checkUnitsFromRoot (const Model& m, const ASTNode& node, 
                                const SBase & sb, bool inKL, int reactNo);
  
    /**
     * Returns the error message to use when logging constraint violations.
     * This method is called by logFailure.
     *
     * If at all possible please use getPreamble() and getFieldname() when
     * constructing error messages.  This will help to make your constraint
     * easily customizable.
     *
     * @return the error message to use when logging constraint violations.
     */
    virtual const std::string
    getMessage (const ASTNode& node, const SBase& object);
  
    void logRationalPowerConflict (const ASTNode & node, 
                                               const SBase & sb);
    void logNonIntegerPowerConflict (const ASTNode & node, 
                                               const SBase & sb);
  
  };
  
  LIBSBML_CPP_NAMESPACE_END
  
  #endif  /* __cplusplus */
  #endif  /* ExponentUnitsCheck_h */
  /** @endcond */
  