mirror of
https://github.com/triqs/dft_tools
synced 2024-12-26 06:14:14 +01:00
f1c32012a6
- for all functions, except when GIL option (not implemented) is here we use a triqs::py_stream, which redirect the stream to python sys.write - so that a simple C++ code with a std::cout print its output in the notebook... - NB : it only works for the code within the cell. If it calls another function on the lib which uses cout, print is not redirected. Designed for simple tests.... - cerr not (yet) redirected. (useful ?).
59 lines
1.5 KiB
C++
59 lines
1.5 KiB
C++
/*******************************************************************************
|
|
*
|
|
* TRIQS: a Toolbox for Research in Interacting Quantum Systems
|
|
*
|
|
* Copyright (C) 2014 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/>.
|
|
*
|
|
******************************************************************************/
|
|
#pragma once
|
|
#include <ostream>
|
|
#include <sstream>
|
|
#include "./pyref.hpp"
|
|
|
|
namespace triqs {
|
|
|
|
/**
|
|
*/
|
|
class py_stream {
|
|
|
|
py_tools::pyref sys, sys_out;
|
|
void _write(const char* s);
|
|
|
|
public:
|
|
py_stream();
|
|
|
|
template <class T> py_stream& operator<<(T const& x) {
|
|
std::stringstream fs;
|
|
fs << x;
|
|
_write(fs.str().c_str());
|
|
return *this;
|
|
}
|
|
|
|
// this is the type of std::cout
|
|
typedef std::basic_ostream<char, std::char_traits<char>> CoutType;
|
|
|
|
// this is the function signature of std::endl
|
|
typedef CoutType& (*StandardEndLine)(CoutType&);
|
|
|
|
// define an operator<< to take in std::endl
|
|
py_stream& operator<<(StandardEndLine manip) {
|
|
_write("\n");
|
|
return *this;
|
|
}
|
|
};
|
|
|
|
}
|