cf_iter.h

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/* emacs edit mode for this file is -*- C++ -*- */
 
/**
 * @file cf_iter.h
 *
 * Iterators for CanonicalForm's
**/
 
#ifndef INCL_CF_ITER_H
#define INCL_CF_ITER_H
 
// #include "config.h"
 
#include "canonicalform.h"
 
/*BEGINPUBLIC*/
 
#undef CF_INLINE
#define CF_INLINE
#undef CF_NO_INLINE
#define CF_NO_INLINE
 
/*ENDPUBLIC*/
 
#ifdef CF_USE_INLINE
#undef CF_INLINE
#define CF_INLINE inline
#else
#undef CF_INLINE
#define CF_INLINE
#endif
 
/*BEGINPUBLIC*/
 
class term;
typedef term * termList;
 
/**
 * class to iterate through CanonicalForm's
 *
 * @note a (multivariate) polynomial is viewed as a univariate poly in its main
 *       variable
**/
class FACTORY_PUBLIC CFIterator {
private:
    CanonicalForm data;
    termList cursor;
    bool ispoly, hasterms;
public:
    CFIterator ();
    CFIterator ( const CFIterator& );
    CFIterator ( const CanonicalForm& );
    CFIterator ( const CanonicalForm&, const Variable& );
 
    ~CFIterator ();
 
    CFIterator& operator= ( const CFIterator& );
    CFIterator& operator= ( const CanonicalForm& );
 
    CF_NO_INLINE CFIterator& operator++ ();
    CF_NO_INLINE CFIterator& operator++ ( int );
    CF_NO_INLINE int hasTerms () const;       ///< check if iterator has reached
                                              ///< the end of CanonicalForm
    CF_NO_INLINE CanonicalForm coeff () const;///< get the current coefficient
    CF_NO_INLINE int exp () const;            ///< get the current exponent
};
 
/*ENDPUBLIC*/
 
#ifdef CF_USE_INLINE
#include "cf_iter_inline.cc"
#endif
 
#endif /* ! INCL_CF_ITER_H */