NBitsUsed.h

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// -*- c++ -*-
//*****************************************************************************
//*****************************************************************************

#ifndef polybori_groebner_NBitsUsed_h_
#define polybori_groebner_NBitsUsed_h_

// include basic definitions
#include "groebner_defs.h"

BEGIN_NAMESPACE_PBORIGB

template<unsigned long NValue>
class NBitsUsed {
public:
  enum { value = NBitsUsed<(NValue >> 1)>::value + 1};
};

template<>
class NBitsUsed<0> {
public:
  enum { value = 0};
};


END_NAMESPACE_PBORIGB

#endif /* polybori_groebner_NBitsUsed_h_ */

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