clone.cpp

/*
 * 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 3 of the License, or
 * (at your option) any later version.
 *
 * Written (W) 2013 Soumyajit De
 */

#include <shogun/lib/common.h>

#ifdef HAVE_EIGEN3
#include <shogun/lib/SGVector.h>
#include <shogun/lib/SGMatrix.h>
#include <shogun/mathematics/logdet/DenseMatrixOperator.h>

using namespace shogun;

void test()
{
  const index_t size=2;
  SGMatrix<complex64_t> m(size, size);
  SGVector<complex64_t> diag(size);
  m.set_const(complex64_t(0.0));
  CDenseMatrixOperator<complex64_t>* op=new CDenseMatrixOperator<complex64_t>(m);
  CDenseMatrixOperator<complex64_t>* cloned
    =dynamic_cast<CDenseMatrixOperator<complex64_t>*>(op->clone());
  //diag=cloned->get_diagonal(); //this does not fail on require but gives segfaults

  CDenseMatrixOperator<complex64_t>* copied
    =new CDenseMatrixOperator<complex64_t>(op);
  diag=copied->get_diagonal(); // this fails on require
  delete op;
  delete cloned;
  delete copied;
}
#endif // HAVE_EIGEN3

int main(int argc, char** argv)
{
  init_shogun_with_defaults();
  sg_io->set_loglevel(MSG_GCDEBUG);
  
#ifdef HAVE_EIGEN3
  test();
#endif // HAVE_EIGEN3
  
  exit_shogun();
  return 0;
}