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Subject: [Boost-users] mpi skeleton/content does not work with stl complex
From: Tobias Stollenwerk (tobias.stollenwerk_at_[hidden])
Date: 2011-04-27 17:57:54

Hello all,

It seems that sending stl complex data via the skeleton/content
mechanism does not work. Here is a simple code that shows th problem:

#include <boost/mpi.hpp>
#include <boost/serialization/complex.hpp>
#include <boost/serialization/vector.hpp>
#include <iostream>
namespace mpi = boost::mpi;
using namespace std;

int main(int argc, char* argv[])
     mpi::environment env(argc, argv);
     mpi::communicator world;
     int NN=world.size();
     int myid=world.rank();

     if (myid == 0)
         int N = 10;
         vector <complex<double> > l(N);
         for (int p=1; p!=NN; p++)
             int taskid=1;
             world.send(p, 0, taskid);
             world.send(p, 1, mpi::skeleton(l));
         mpi::content c = mpi::get_content(l);
         for (int n = 0; n!=l.size() ; n++)
         for (int p=1; p!=NN; p++)
             world.send(p, 1, c);
         vector <complex<double> > l;
         mpi::content c;
         world.recv(0, 1, mpi::skeleton(l));
         c = mpi::get_content(l);
         world.recv(0, 1, c);
         for (int n=0; n!=l.size(); n++)
             cout << l[n] << " ";
         cout << endl;

The entries of the vector l are not (1.0,1.0) but they seem to be
uninitialized. This only occurs if one uses complex data types AND
the skeleton/content mechanism.

Does anyone know, if this is a build
in problem, or if I am doing something wrong?

Thanks in advance,


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