URL: http://www.cs.unipr.it/git/gitweb.cgi?p=ppl/ppl.git;a=commit;h=6f3b66c3082b5... Author: Marco Poletti <poletti.marco@gmail.com> Date: Wed Sep 8 17:16:54 2010 +0200 MIP_Problem: use the new Sparse_Row::linear_combine() method, simplifying code. URL: http://www.cs.unipr.it/git/gitweb.cgi?p=ppl/ppl.git;a=commit;h=db419c5a19d7e... Author: Marco Poletti <poletti.marco@gmail.com> Date: Wed Sep 8 17:15:58 2010 +0200 Distributed_Sparse_Matrix: use the new Sparse_Row::linear_combine() method, simplifying code. URL: http://www.cs.unipr.it/git/gitweb.cgi?p=ppl/ppl.git;a=commit;h=655f8c56d8713... Author: Marco Poletti <poletti.marco@gmail.com> Date: Wed Sep 8 17:15:07 2010 +0200 Sparse_Row: add a convenience linear_combine() method. URL: http://www.cs.unipr.it/git/gitweb.cgi?p=ppl/ppl.git;a=commit;h=5c73378379218... Author: Marco Poletti <poletti.marco@gmail.com> Date: Wed Sep 8 16:53:04 2010 +0200 Distributed_Sparse_Matrix: add sum_of_products_combiner class and use it to simplify and share code. URL: http://www.cs.unipr.it/git/gitweb.cgi?p=ppl/ppl.git;a=commit;h=f3b393b41fcff... Author: Marco Poletti <poletti.marco@gmail.com> Date: Wed Sep 8 16:29:46 2010 +0200 MIP_Problem: use Distributed_Sparse_Matrix::linear_combine_with_base_rows(). URL: http://www.cs.unipr.it/git/gitweb.cgi?p=ppl/ppl.git;a=commit;h=4563e4eeb5eba... Author: Marco Poletti <poletti.marco@gmail.com> Date: Wed Sep 8 16:29:09 2010 +0200 Distributed_Sparse_Matrix: add some assertions. URL: http://www.cs.unipr.it/git/gitweb.cgi?p=ppl/ppl.git;a=commit;h=6ea8fd1ea0e21... Author: Marco Poletti <poletti.marco@gmail.com> Date: Wed Sep 8 16:28:42 2010 +0200 Distributed_Sparse_Matrix: add a linear_combine_with_base_rows() method. URL: http://www.cs.unipr.it/git/gitweb.cgi?p=ppl/ppl.git;a=commit;h=d5fb40f15c2db... Author: Marco Poletti <poletti.marco@gmail.com> Date: Wed Sep 8 12:17:59 2010 +0200 Distributed_Sparse_Matrix: optimize compute_working_cost(), greatly increasing performance. URL: http://www.cs.unipr.it/git/gitweb.cgi?p=ppl/ppl.git;a=commit;h=dd87503e6564a... Author: Marco Poletti <poletti.marco@gmail.com> Date: Wed Sep 8 12:16:57 2010 +0200 Sparse_Row: add a normalize() method that takes a Coefficient&.