splist.h

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// ----------------------------------------------------------------------------
//  splist.h
//  begin of file
//  Stephan Endrass, endrass@mathematik.uni-mainz.de
//  23.7.99
// ----------------------------------------------------------------------------
 
// ----------------------------------------------------------------------------
//  Description: the class  spectrumPolyList  is to hold monomials
//  and their normal forms with respect to a given standard basis
//  and a given ordering. On this list we run a standard basis
//  conversion algorithm to compute  the spectrum
// ----------------------------------------------------------------------------
 
#ifndef SPLIST_H
#define SPLIST_H
 
#include "kernel/spectrum/npolygon.h"
 
/*enum    spectrumState
{
    spectrumOK,
    spectrumZero,
    spectrumBadPoly,
    spectrumNoSingularity,
    spectrumNotIsolated,
    spectrumDegenerate,
    spectrumWrongRing,
    spectrumNoHC,
    spectrumUnspecErr
};*/ //TODO move to Singular
 
// ----------------------------------------------------------------------------
 
class spectrumPolyNode
{
public:
 
    spectrumPolyNode    *next;
    poly                mon;
    Rational            weight;
    poly                nf;
    ring                r;
 
    spectrumPolyNode( );
    spectrumPolyNode( spectrumPolyNode*,poly,const Rational&,poly, const ring);
    ~spectrumPolyNode( );
 
    void    copy_zero   ( void );
    void    copy_shallow( spectrumPolyNode*,poly,const Rational&,poly, const ring);
    void    copy_shallow( spectrumPolyNode& );
};
 
// ----------------------------------------------------------------------------
 
class spectrumPolyList
{
public:
 
    spectrumPolyNode       *root;
    int             N;
    newtonPolygon   *np;
 
    spectrumPolyList( );
    spectrumPolyList( newtonPolygon* );
    ~spectrumPolyList( );
 
    void    copy_zero   ( void );
    void    copy_shallow( spectrumPolyNode*,int,newtonPolygon* );
    void    copy_shallow( spectrumPolyList& );
 
    void    insert_node( poly,poly, const ring );
    void    delete_node( spectrumPolyNode** );
 
    void    delete_monomial( poly, const ring );
 
    //spectrumState  spectrum( lists*,int );
 
    #ifdef SPLIST_PRINT
        friend ostream & operator << ( ostream&,const spectrumPolyList& );
    #endif
};
 
#endif /* SPLIST_H */
 
// ----------------------------------------------------------------------------
//  splist.h
//  end of file
// ----------------------------------------------------------------------------