Eigen::internal::packed_rank2_update_selector< Scalar, Index, UpLo > Struct Template Reference

#include <Rank2Update.h>

Static Public Member Functions
static void	run (Index size, Scalar *mat, const Scalar *u, const Scalar *v, Scalar alpha)

Member Function Documentation

run()

template<typename Scalar , typename Index , int UpLo>

static void Eigen::internal::packed_rank2_update_selector< Scalar, Index, UpLo >::run ( Index  size, Scalar *  mat, const Scalar *  u, const Scalar *  v, Scalar  alpha  )

inlinestatic

                                                                                           {
    typedef Map<const Matrix<Scalar, Dynamic, 1> > OtherMap;
    Index offset = 0;
    for (Index i = 0; i < size; ++i) {
      Map<Matrix<Scalar, Dynamic, 1> >(mat + offset, UpLo == Lower ? size - i : (i + 1)) +=
          numext::conj(alpha) * numext::conj(u[i]) *
              OtherMap(v + (UpLo == Lower ? i : 0), UpLo == Lower ? size - i : (i + 1)) +
          alpha * numext::conj(v[i]) * OtherMap(u + (UpLo == Lower ? i : 0), UpLo == Lower ? size - i : (i + 1));
      // FIXME This should be handled outside.
      mat[offset + (UpLo == Lower ? 0 : i)] = numext::real(mat[offset + (UpLo == Lower ? 0 : i)]);
      offset += UpLo == Lower ? size - i : (i + 1);
    }
  }

References alpha, conj(), i, Eigen::Lower, size, and v.

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The documentation for this struct was generated from the following file:

• Rank2Update.h