// This file is part of Eigen, a lightweight C++ template library // for linear algebra. // // Copyright (C) 2012 Chen-Pang He // // This Source Code Form is subject to the terms of the Mozilla // Public License v. 2.0. If a copy of the MPL was not distributed // with this file, You can obtain one at http://mozilla.org/MPL/2.0/. #ifndef EIGEN_GENERAL_RANK1UPDATE_H #define EIGEN_GENERAL_RANK1UPDATE_H namespace internal { /* Optimized matrix += alpha * uv' */ template struct general_rank1_update { static void run(Index rows, Index cols, Scalar* mat, Index stride, const Scalar* u, const Scalar* v, Scalar alpha) { typedef Matrix PlainVector; internal::conj_if cj; for (Index i=0; i(mat+stride*i,rows) += alpha * cj(v[i]) * Map(u,rows); } }; } // end namespace internal #endif // EIGEN_GENERAL_RANK1UPDATE_H