/******************************************************************************* * * 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 <http://www.gnu.org/licenses/>. * ******************************************************************************/ #ifndef TRIQS_ARRAYS_BLAS_LAPACK_SWAP_H #define TRIQS_ARRAYS_BLAS_LAPACK_SWAP_H #include "./tools.hpp" namespace triqs { namespace arrays { namespace blas { namespace f77 { // overload extern "C" { void TRIQS_FORTRAN_MANGLING(dswap)(const int & N, double * x, const int& incx, double * y, const int& incy); void TRIQS_FORTRAN_MANGLING(zswap)(const int & N, std::complex<double> * x, const int& incx, std::complex<double> * y, const int& incy); } inline void swap (const int & N, double* x, const int & incx, double* Y, const int & incy) { TRIQS_FORTRAN_MANGLING(dswap)(N, x, incx, Y, incy); } inline void swap (const int & N, std::complex<double>* x, const int & incx, std::complex<double>* Y, const int & incy) { TRIQS_FORTRAN_MANGLING(zswap)(N, x, incx, Y, incy); } } /** * Blas 1: swap */ template< typename VTX, typename VTY> typename std::enable_if< is_blas_lapack_type<typename VTX::value_type>::value && have_same_value_type< VTX, VTY>::value >::type swap (VTX & X, VTY & Y) { static_assert( is_amv_value_or_view_class<VTX>::value, "blas1 bindings only take vector and vector_view"); static_assert( is_amv_value_or_view_class<VTY>::value, "blas1 bindings only take vector and vector_view"); if (( X.size() != Y.size()) ) TRIQS_RUNTIME_ERROR << "Dimension mismatch in dot : X : "<<X().shape()<<" and Y : "<<Y().shape(); f77::swap(X.size(), X.data_start(), X.stride(), Y.data_start(), Y.stride()); } }}}// namespace #endif