dim_calc.h

强大的矩阵模版类

#ifndef MTL_DIM_CALC_H
#define MTL_DIM_CALC_H

#include "mtl/fast.h"

namespace mtl {

//: For use in deciding whether to do static algorithm
//!noindex:
template <class Vector>
class dim_n {
public:
#if USE_BLAIS
  enum { N = (0 < Vector::N && Vector::N <= 15 ? Vector::N : 0) };
  typedef fast::count<N> RET;
#else
  typedef fast::count<0> RET;
#endif
};

//: For use in deciding whether to do static algorithm
//!noindex:
template <class Matrix>
class dim_m {
public:
#if USE_BLAIS
  enum { M = (0 < Matrix::M && Matrix::M <= 15 ? Matrix::M : 0) };
  typedef fast::count<M> RET;
#else
  typedef fast::count<0> RET;
#endif
};

} /* namespace mtl */

#endif /* MTL_DIM_CALC_H */