/[GiNaC]/ginac/add.h
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revision 1.2 by cbauer, Wed Nov 10 16:35:10 1999 UTC revision 1.6 by kreckel, Wed Nov 17 21:22:09 1999 UTC
# Line 1  Line 1 
1  /** @file add.h  /** @file add.h
2   *   *
3   *  Interface to GiNaC's sums of expressions.   *  Interface to GiNaC's sums of expressions. */
4   *  
5    /*
6   *  GiNaC Copyright (C) 1999 Johannes Gutenberg University Mainz, Germany   *  GiNaC Copyright (C) 1999 Johannes Gutenberg University Mainz, Germany
7   *   *
8   *  This program is free software; you can redistribute it and/or modify   *  This program is free software; you can redistribute it and/or modify
# Line 22  Line 23 
23  #ifndef __GINAC_ADD_H__  #ifndef __GINAC_ADD_H__
24  #define __GINAC_ADD_H__  #define __GINAC_ADD_H__
25    
26    #include <ginac/expairseq.h>
27    
28    namespace GiNaC {
29    
30  /** Sum of expressions. */  /** Sum of expressions. */
31  class add : public expairseq  class add : public expairseq
32  {  {
# Line 76  protected: Line 81  protected:
81      unsigned return_type_tinfo(void) const;      unsigned return_type_tinfo(void) const;
82      ex thisexpairseq(epvector const & v, ex const & oc) const;      ex thisexpairseq(epvector const & v, ex const & oc) const;
83      ex thisexpairseq(epvector * vp, ex const & oc) const;      ex thisexpairseq(epvector * vp, ex const & oc) const;
     void printpair(ostream & os, expair const & p,  
                    unsigned upper_precedence) const;  
84      expair split_ex_to_pair(ex const & e) const;      expair split_ex_to_pair(ex const & e) const;
85      expair combine_ex_with_coeff_to_pair(ex const & e,      expair combine_ex_with_coeff_to_pair(ex const & e,
86                                           ex const & c) const;                                           ex const & c) const;
# Line 103  protected: Line 106  protected:
106  extern const add some_add;  extern const add some_add;
107  extern type_info const & typeid_add;  extern type_info const & typeid_add;
108    
109  #define ex_to_add(X) static_cast<add const &>(*(X).bp)  // utility functions
110    inline const add &ex_to_add(const ex &e)
111    {
112            return static_cast<const add &>(*e.bp);
113    }
114    
115  #endif // ndef __GINAC_ADD_H__  } // namespace GiNaC
116    
117    #endif // ndef __GINAC_ADD_H__
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