Geru

General rank-one update (unconjugated): \(A := \alpha x y^T + A\). \(x\) and \(y\) are free to be stored as either row or column vectors, but they will be interpreted as column vectors.

C++ API

void Geru(T alpha, const Matrix<T> &x, const Matrix<T> &y, Matrix<T> &A)

void Geru(T alpha, const AbstractDistMatrix<T> &x, const AbstractDistMatrix<T> &y, AbstractDistMatrix<T> &A)

C API

ElError ElGeru_c(complex_float alpha, ElConstMatrix_c x, ElConstMatrix_c y, ElMatrix_c A)

ElError ElGeru_z(complex_double alpha, ElConstMatrix_z x, ElConstMatrix_z y, ElMatrix_z A)

ElError ElGeruDist_c(complex_float alpha, ElConstDistMatrix_c x, ElConstDistMatrix_c y, ElDistMatrix_c A)

ElError ElGeruDist_z(complex_double alpha, ElConstDistMatrix_z x, ElConstDistMatrix_z y, ElDistMatrix_z A)