/[GiNaC]/ginac/idx.h
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revision 1.5 by cbauer, Tue Nov 16 16:35:25 1999 UTC revision 1.6 by cbauer, Wed Nov 17 16:57:59 1999 UTC
# Line 26  Line 26 
26  #include <string>  #include <string>
27  #include <vector>  #include <vector>
28  #include <ginac/basic.h>  #include <ginac/basic.h>
29    #include <ginac/ex.h>
30    
31    namespace GiNaC {
32    
33  class idx : public basic  class idx : public basic
34  {  {
# Line 89  protected: Line 92  protected:
92  extern const idx some_idx;  extern const idx some_idx;
93  extern type_info const & typeid_idx;  extern type_info const & typeid_idx;
94    
95  // macros  // utility functions
96    inline const idx &ex_to_idx(const ex &e)
97  #define ex_to_idx(X) (static_cast<idx const &>(*(X).bp))  {
98            return static_cast<const idx &>(*e.bp);
99    }
100    
101  // other functions  // global functions
102    
103  typedef vector<ex> exvector;  typedef vector<ex> exvector;
104    
# Line 106  ex subs_indices(ex const & e, exvector c Line 111  ex subs_indices(ex const & e, exvector c
111                  exvector const & idxv_co);                  exvector const & idxv_co);
112  unsigned count_index(ex const & e, ex const & i);  unsigned count_index(ex const & e, ex const & i);
113    
114    } // namespace GiNaC
115    
116  #endif // ndef __GINAC_IDX_H__  #endif // ndef __GINAC_IDX_H__
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