example_matrix_save_load.cpp

 
#include <cmath>
#include <Pds/Ra>
   
#include <iostream>
#include <fstream>
     
int main(void)
{
    Pds::Matrix A="0 1 2\n-2 -1 0";
    A.Print("A:\n");
    
    A.FillRandU(0,1);
    A.Print("A:\n");
    
    A.Save("filedat.txt");
    
    std::cout<<std::endl;
    
    Pds::Matrix H(Pds::Ra::TextFormat,"filedat.txt");
    H.Print("H:\n");
    
    std::cout<<std::endl;
    
    H=H+1;
    H.Print("H:\n");
    
    std::ofstream myfile;
    myfile.open("filedat2.txt");
    H.SaveInStream(myfile);
    myfile.close();
    
    std::cout<<std::endl;
    
    std::ifstream ifs("filedat2.txt", std::ifstream::in);
    A.LoadFromStream(ifs,3,2);
    ifs.close();
    A.Print("A:\n");
    
    std::cout<<std::endl;
 
    std::ifstream ifs2("filedat2.txt", std::ifstream::in);
    while(!ifs2.eof())
    {
        A.LoadLineFromStream(ifs2);
        if(A.IsNotEmpty())  A.Print("A:line:\t");
    }
    ifs2.close();
    
    
    return 0;
}