dot_self.hpp

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#ifndef __STAN__MATH__MATRIX__DOT_SELF_HPP__
#define __STAN__MATH__MATRIX__DOT_SELF_HPP__

#include <stan/math/matrix/Eigen.hpp>
#include <stan/math/matrix/validate_vector.hpp>

namespace stan {
  namespace math {
    
    template <int R, int C>
    inline double dot_self(const Eigen::Matrix<double, R, C>& v) {
      validate_vector(v,"dot_self");
      return v.squaredNorm();
    }    
    
  }
}
#endif