Index.hpp

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/* A simple index class that tells the operators which template to
   instantiate.  The usual way to do this is to declare an index like
 
   Index<'i',3> i;
 
   It is important that each differently named index has a different
   template parameter. So
 
   Index<'i',3> i;
   Index<'j',3> j;          // Good
 
   is the right way, and
 
   Index<'i',3> i,j;        // Bad
 
   is likely to lead to errors, since the program thinks that i and j
   are identical. */
 
#pragma once
 
namespace FTensor
{
  template <char i, int Dim> class Index
  {
    public:
    Index() {}
  };
}