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dft_tools/triqs/utility/formatted_output.hpp

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/*******************************************************************************
*
* TRIQS: a Toolbox for Research in Interacting Quantum Systems
*
* Copyright (C) 2013 by H. Hafermann
*
* 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_FORMATTED_OUTPUT_H
#define TRIQS_FORMATTED_OUTPUT_H
#include<string>
#include<vector>
#include<iostream>
#include<iomanip>
#include<sstream>
namespace triqs { namespace utility {
inline std::string print_formatted(std::vector<std::vector<std::string>> const &out){
std::vector<std::size_t> max_len;
std::ostringstream str;
for(auto const &s : out){
max_len.resize(out[0].size(),0);
for(std::size_t i=0; i<s.size(); ++i)
if(s[i].length()>max_len[i]) max_len[i]=s[i].length();
}
for(auto const &s : out){
for(std::size_t i=0; i<s.size(); ++i)
str << std::left << std::setw(max_len[i]+2) << s[i];
str << std::endl;
}
return str.str();
}
}}
#endif