norm2()

template<typename RT>

void norm2 ( const DMat< RT > & M, size_t n, typename RT::RealElementType & result )

inline

Definition at line 338 of file SLP-imp.hpp.

{
  const auto& C = M.ring();
  const auto& R = C.real_ring();
  typename RT::RealRingType::Element c(R);
  R.set_zero(result);
  for (size_t i = 0; i < n; i++)
    {
      C.abs_squared(c, M.entry(0, i));
      R.add(result, result, c);
    }
}

References DMat< ACoeffRing >::entry(), result(), and DMat< ACoeffRing >::ring().

Referenced by HomotopyConcrete< RT, FixedPrecisionHomotopyAlgorithm >::track().