/******************************************************************************* * * TRIQS: a Toolbox for Research in Interacting Quantum Systems * * Copyright (C) 2012 by O. Parcollet * * TRIQS is free software: you can redistribute it and/or modify it under the * terms of the GNU General Public License as published by the Free Software * Foundation, either version 3 of the License, or (at your option) any later * version. * * TRIQS is distributed in the hope that it will be useful, but WITHOUT ANY * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more * details. * * You should have received a copy of the GNU General Public License along with * TRIQS. If not, see . * ******************************************************************************/ #ifndef TRIQS_ARRAYS_BLAS_LAPACK_AXPY_H #define TRIQS_ARRAYS_BLAS_LAPACK_AXPY_H #include "./tools.hpp" //#include "./qcache.hpp" namespace triqs { namespace arrays { namespace blas { namespace f77 { // overload extern "C" { void TRIQS_FORTRAN_MANGLING(daxpy)(const int & N, const double & alpha, const double * x, const int& incx, double * y, const int& incy); void TRIQS_FORTRAN_MANGLING(zaxpy)(const int & N, const std::complex & alpha, const std::complex * x, const int& incx, std::complex * y, const int& incy); } inline void axpy (const int & N, const double & alpha, const double* x, const int & incx, double* Y, const int & incy) { TRIQS_FORTRAN_MANGLING(daxpy)(N, alpha, x, incx, Y, incy); } inline void axpy (const int & N, const std::complex & alpha, const std::complex* x, const int & incx, std::complex* Y, const int & incy) { TRIQS_FORTRAN_MANGLING(zaxpy)(N, alpha, x, incx, Y, incy); } } /** * Blas 1: copy */ template< typename VTX, typename VTY> typename std::enable_if< is_blas_lapack_type::value && have_same_value_type< VTX, VTY>::value >::type axpy (typename VTX::value_type const & alpha ,VTX const & X, VTY & Y) { static_assert( is_amv_value_or_view_class::value, "blas1 bindings only take vector and vector_view"); static_assert( is_amv_value_or_view_class::value, "blas1 bindings only take vector and vector_view"); //if (( X.size() != Y.size()) ) Y.resize(X.size()); //const_qcache Cx(X); // mettre la condition a la main //f77::copy(X.size(), Cx().data_start(), Cx().stride(), Y.data_start(), Y.stride()); f77::axpy(X.size(), alpha, X.data_start(), X.stride(), Y.data_start(), Y.stride()); } }}}// namespace #endif