mirror of
https://github.com/triqs/dft_tools
synced 2024-12-26 14:23:38 +01:00
072b45ac1c
Not in the concept, not needed, just an annoyance. replaced by free functions : first_dim(A), second_dim(A), get_shape(A) and so on...
80 lines
4.0 KiB
C++
80 lines
4.0 KiB
C++
/*******************************************************************************
|
|
*
|
|
* 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_GER_H
|
|
#define TRIQS_ARRAYS_BLAS_LAPACK_GER_H
|
|
#include "./tools.hpp"
|
|
#include "./qcache.hpp"
|
|
|
|
namespace triqs { namespace arrays { namespace blas {
|
|
|
|
using namespace blas_lapack_tools;
|
|
namespace f77 { // overload
|
|
typedef std::complex<double> dcomplex;
|
|
|
|
extern "C" {
|
|
void TRIQS_FORTRAN_MANGLING(dger)(const int &M, const int &N, const double &, const double [], const int &, const double [], const int &, double [], const int &);
|
|
void TRIQS_FORTRAN_MANGLING(zgeru)(const int &M, const int &N, const dcomplex &, const dcomplex [], const int &, const dcomplex [], const int &, dcomplex [], const int &);
|
|
}
|
|
|
|
inline void ger (const int & M, const int & N, const double & alpha, const double* x, const int & incx, const double* Y, const int & incy, double* A, const int & LDA) {
|
|
TRIQS_FORTRAN_MANGLING(dger)(M, N, alpha, x, incx, Y, incy, A, LDA);
|
|
}
|
|
inline void ger (const int & M, const int & N, const dcomplex & alpha, const dcomplex* x, const int & incx, const dcomplex* Y, const int & incy, dcomplex* A, const int & LDA) {
|
|
TRIQS_FORTRAN_MANGLING(zgeru)(M, N, alpha, x, incx, Y, incy, A, LDA);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Calls ger : A += alpha * x * ty
|
|
* Takes care of making temporary copies if necessary
|
|
*/
|
|
template< typename VTX, typename VTY, typename MT>
|
|
typename std::enable_if< is_blas_lapack_type<typename VTX::value_type>::value && have_same_value_type< VTX, VTY, MT>::value >::type
|
|
ger (typename VTX::value_type alpha, VTX const & X, VTY const & Y, MT & A) {
|
|
static_assert( is_amv_value_or_view_class<MT>::value, "ger : A must be a matrix or a matrix_view");
|
|
if (( first_dim(A) != Y.size()) || (second_dim(A) != X.size())) TRIQS_RUNTIME_ERROR << "Dimension mismatch in ger : A : "<< get_shape(A()) <<" while X : "<<get_shape(X())<<" and Y : "<<get_shape(Y());
|
|
const_qcache<VTX> Cx(X); // mettre la condition a la main
|
|
const_qcache<VTY> Cy(Y); // mettre la condition a la main
|
|
reflexive_qcache<MT> Ca(A);
|
|
if (Ca().memory_layout_is_c()) // tA += alpha y tx
|
|
f77::ger(get_n_rows(Ca()), get_n_cols(Ca()), alpha, Cy().data_start(), Cy().stride(), Cx().data_start(), Cx().stride(), Ca().data_start(), get_ld(Ca()));
|
|
else
|
|
f77::ger(get_n_rows(Ca()), get_n_cols(Ca()), alpha, Cx().data_start(), Cx().stride(), Cy().data_start(), Cy().stride(), Ca().data_start(), get_ld(Ca()));
|
|
|
|
/* std::cerr << " Meme labout C"<< Ca().memory_layout_is_c() << " "<<A.memory_layout_is_c()<<std::endl ;
|
|
std::cerr<< " has_contiguous_data(A) : "<< has_contiguous_data(A) << std::endl;
|
|
std::cerr<< Ca()<< std::endl;
|
|
std::cerr<< Ca()(0,0) << " "<< Ca()(1,0) << " "<< Ca()(0,1) << " "<< Ca()(1,1) << " "<< std::endl;
|
|
std::cerr<< Ca().data_start()[0]<< " "<< Ca().data_start()[1]<< " "<< Ca().data_start()[2]<< " " << Ca().data_start()[3]<< " "<<std::endl;
|
|
|
|
std::cerr<< A<< std::endl;
|
|
std::cerr<< A(0,0) << " "<< A(1,0) << " "<< A(0,1) << " "<< A(1,1) << " "<< std::endl;
|
|
std::cerr<< A.data_start()[0]<< " "<< A.data_start()[1]<< " "<< A.data_start()[2]<< " " << A.data_start()[3]<< " "<<std::endl;
|
|
*/
|
|
|
|
}
|
|
|
|
}}}// namespace
|
|
|
|
|
|
#endif
|
|
|