text: /*
   * 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) 2011 Sergey Lisitsyn
   * Copyright (C) 2011 Berlin Institute of Technology and Max-Planck-Society
   */
  
  #include <shogun/lib/config.h>
  
  #ifdef HAVE_EIGEN3
  #include <shogun/base/init.h>
  #include <shogun/features/DenseFeatures.h>
  #include <shogun/converter/LocalityPreservingProjections.h>
  #include <shogun/mathematics/Math.h>
  
  using namespace shogun;
  
  int main(int argc, char** argv)
  {
  	init_shogun_with_defaults();
  
  	int N = 100;
  	int dim = 3;
  	float64_t* matrix = new double[N*dim];
  	for (int i=0; i<N*dim; i++)
  		matrix[i] = CMath::sin((i/float64_t(N*dim))*3.14);
  
  	CDenseFeatures<double>* features = new CDenseFeatures<double>(SGMatrix<double>(matrix,dim,N));
  	SG_REF(features);
  	CLocalityPreservingProjections* lpp = new CLocalityPreservingProjections();
  	lpp->set_target_dim(2);
  	lpp->set_k(10);
  	lpp->parallel->set_num_threads(4);
  	CDenseFeatures<double>* embedding = lpp->embed(features);
  	SG_UNREF(embedding);
  	SG_UNREF(lpp);
  	SG_UNREF(features);
  	exit_shogun();
  	return 0;
  }
  #else
  int main(int argc, char **argv)
  {
  	return 0;
  }
  #endif
  