URL: http://www.cs.unipr.it/git/gitweb.cgi?p=ppl/ppl.git;a=commit;h=509d5e54095a4... Author: Marco Poletti <poletti.marco@gmail.com> Date: Tue Sep 7 12:01:40 2010 +0200 MIP_Problem: use Distributed_Sparse_Matrix::compute_working_cost(). URL: http://www.cs.unipr.it/git/gitweb.cgi?p=ppl/ppl.git;a=commit;h=df0f866bce08b... Author: Marco Poletti <poletti.marco@gmail.com> Date: Tue Sep 7 11:31:21 2010 +0200 Distributed_Sparse_Matrix: add a compute_working_cost() operation. URL: http://www.cs.unipr.it/git/gitweb.cgi?p=ppl/ppl.git;a=commit;h=671ef7002f4de... Author: Marco Poletti <poletti.marco@gmail.com> Date: Tue Sep 7 11:30:38 2010 +0200 Dense_Row: add a normalize() method that takes a Coefficient&. URL: http://www.cs.unipr.it/git/gitweb.cgi?p=ppl/ppl.git;a=commit;h=d69eca7cfb225... Author: Marco Poletti <poletti.marco@gmail.com> Date: Tue Sep 7 11:30:06 2010 +0200 Dense_Row: implement boost-style serialization. URL: http://www.cs.unipr.it/git/gitweb.cgi?p=ppl/ppl.git;a=commit;h=cfe3b80716f99... Author: Marco Poletti <poletti.marco@gmail.com> Date: Mon Sep 6 10:13:01 2010 +0200 MIP_Problem: use Distributed_Sparse_Matrix::reset_column() in erase_artificials(). URL: http://www.cs.unipr.it/git/gitweb.cgi?p=ppl/ppl.git;a=commit;h=dcf856ff5e1a9... Author: Marco Poletti <poletti.marco@gmail.com> Date: Mon Sep 6 10:12:41 2010 +0200 MIP_Problem: use Distributed_Sparse_Matrix::remove_column() in merge_split_variable(). URL: http://www.cs.unipr.it/git/gitweb.cgi?p=ppl/ppl.git;a=commit;h=b18ff46878594... Author: Marco Poletti <poletti.marco@gmail.com> Date: Mon Sep 6 09:52:43 2010 +0200 MIP_Problem: use Distributed_Sparse_Matrix::remove_trailing_rows() and Distributed_Sparse_Matrix::swap_rows(), in erase_artificials(). URL: http://www.cs.unipr.it/git/gitweb.cgi?p=ppl/ppl.git;a=commit;h=4e6df23721f68... Author: Marco Poletti <poletti.marco@gmail.com> Date: Mon Sep 6 09:20:12 2010 +0200 MIP_Problem: use Distributed_Sparse_Matrix::remove_trailing_columns() when needed. URL: http://www.cs.unipr.it/git/gitweb.cgi?p=ppl/ppl.git;a=commit;h=1dd0cf115aff0... Author: Marco Poletti <poletti.marco@gmail.com> Date: Mon Sep 6 09:17:07 2010 +0200 Distributed_Sparse_Matrix: remove_trailing_rows() and remove_trailing_columns() now take the number of removed rows/columns instead of the desired number of rows/columns. URL: http://www.cs.unipr.it/git/gitweb.cgi?p=ppl/ppl.git;a=commit;h=6ff902756ce20... Author: Marco Poletti <poletti.marco@gmail.com> Date: Mon Sep 6 09:15:27 2010 +0200 Distributed_Sparse_Matrix: print debug messages in operator==(), to ease debugging. URL: http://www.cs.unipr.it/git/gitweb.cgi?p=ppl/ppl.git;a=commit;h=80fbe1c68c543... Author: Marco Poletti <poletti.marco@gmail.com> Date: Mon Sep 6 09:14:33 2010 +0200 Distributed_Sparse_Matrix: fix typo. URL: http://www.cs.unipr.it/git/gitweb.cgi?p=ppl/ppl.git;a=commit;h=5b2993bb9dbbb... Author: Marco Poletti <poletti.marco@gmail.com> Date: Mon Sep 6 08:46:22 2010 +0200 MIP_Problem: remove redundant assertions. URL: http://www.cs.unipr.it/git/gitweb.cgi?p=ppl/ppl.git;a=commit;h=bde685c14de05... Author: Marco Poletti <poletti.marco@gmail.com> Date: Mon Sep 6 08:41:06 2010 +0200 MIP_Problem: use Distributed_Sparse_Matrix::linear_combine_matrix() when needed. URL: http://www.cs.unipr.it/git/gitweb.cgi?p=ppl/ppl.git;a=commit;h=37913c7f839b5... Author: Marco Poletti <poletti.marco@gmail.com> Date: Mon Sep 6 08:39:09 2010 +0200 MIP_Problem: remove unneeded distributed_tableau update, in process_pending_constraints(). URL: http://www.cs.unipr.it/git/gitweb.cgi?p=ppl/ppl.git;a=commit;h=885bb933e6361... Author: Marco Poletti <poletti.marco@gmail.com> Date: Mon Sep 6 08:38:03 2010 +0200 Distributed_Sparse_Matrix: call linear_combine() only when the element in the specified column is not 0, in linear_combine_matrix(). URL: http://www.cs.unipr.it/git/gitweb.cgi?p=ppl/ppl.git;a=commit;h=8b3e0e4c3585f... Author: Marco Poletti <poletti.marco@gmail.com> Date: Mon Sep 6 08:08:44 2010 +0200 MIP_Problem: use Distributed_Sparse_Matrix::add_zero_columns() and Distributed_Sparse_Matrix::add_zero_rows() when needed.