mirror of
https://gitlab.com/libeigen/eigen.git
synced 2024-12-21 07:19:46 +08:00
93115619c2
* various improvements in BTL including trisolver and cholesky bench
76 lines
2.2 KiB
C++
76 lines
2.2 KiB
C++
//=====================================================
|
|
// File : dump_file_x_y.hh
|
|
// Author : L. Plagne <laurent.plagne@edf.fr)>
|
|
// Copyright (C) EDF R&D, lun sep 30 14:23:20 CEST 2002
|
|
//=====================================================
|
|
//
|
|
// This program 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 2
|
|
// of the License, or (at your option) any later version.
|
|
//
|
|
// This program 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 this program; if not, write to the Free Software
|
|
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
|
//
|
|
#ifndef XY_FILE_HH
|
|
#define XY_FILE_HH
|
|
#include <fstream>
|
|
#include <iostream>
|
|
#include <string>
|
|
#include <vector>
|
|
using namespace std;
|
|
|
|
bool read_xy_file(const std::string & filename, std::vector<int> & tab_sizes,
|
|
std::vector<double> & tab_mflops, bool quiet = false)
|
|
{
|
|
|
|
std::ifstream input_file (filename.c_str(),std::ios::in);
|
|
|
|
if (!input_file){
|
|
if (!quiet) {
|
|
INFOS("!!! Error opening "<<filename);
|
|
}
|
|
return false;
|
|
}
|
|
|
|
int nb_point=0;
|
|
int size=0;
|
|
double mflops=0;
|
|
|
|
while (input_file >> size >> mflops ){
|
|
nb_point++;
|
|
tab_sizes.push_back(size);
|
|
tab_mflops.push_back(mflops);
|
|
}
|
|
SCRUTE(nb_point);
|
|
|
|
input_file.close();
|
|
return true;
|
|
}
|
|
|
|
// The Vector class must satisfy the following part of STL vector concept :
|
|
// resize() method
|
|
// [] operator for seting element
|
|
// the vector element must have the << operator define
|
|
|
|
using namespace std;
|
|
|
|
template<class Vector_A, class Vector_B>
|
|
void dump_xy_file(const Vector_A & X, const Vector_B & Y, const std::string & filename){
|
|
|
|
ofstream outfile (filename.c_str(),ios::out) ;
|
|
int size=X.size();
|
|
|
|
for (int i=0;i<size;i++)
|
|
outfile << X[i] << " " << Y[i] << endl;
|
|
|
|
outfile.close();
|
|
}
|
|
|
|
#endif
|