URL: http://www.cs.unipr.it/git/gitweb.cgi?p=ppl/ppl.git;a=commit;h=18de031713fb9... Author: Marco Poletti <poletti.marco@gmail.com> Date: Wed Mar 10 17:58:43 2010 +0100 PIP_Tree.cc: optimize static function row_normalize() for sparse rows. URL: http://www.cs.unipr.it/git/gitweb.cgi?p=ppl/ppl.git;a=commit;h=1f2fdc9023914... Author: Marco Poletti <poletti.marco@gmail.com> Date: Wed Mar 10 17:49:17 2010 +0100 PIP_Tree.cc: optimize static function find_lexico_minimum_column() for sparse matrices. URL: http://www.cs.unipr.it/git/gitweb.cgi?p=ppl/ppl.git;a=commit;h=765f126fd7d4d... Author: Marco Poletti <poletti.marco@gmail.com> Date: Wed Mar 10 17:48:31 2010 +0100 Dense_Row: added const find() methods and lower_bound() methods. URL: http://www.cs.unipr.it/git/gitweb.cgi?p=ppl/ppl.git;a=commit;h=c1fd9e40f9d83... Author: Marco Poletti <poletti.marco@gmail.com> Date: Wed Mar 10 11:46:11 2010 +0100 PIP_Tree.cc: optimize static function column_lower() for sparse matrices. URL: http://www.cs.unipr.it/git/gitweb.cgi?p=ppl/ppl.git;a=commit;h=b04281ba2c6ba... Author: Marco Poletti <poletti.marco@gmail.com> Date: Wed Mar 10 11:39:20 2010 +0100 PIP_Tree.cc: optimize static function complement_assign() for sparse rows. URL: http://www.cs.unipr.it/git/gitweb.cgi?p=ppl/ppl.git;a=commit;h=fe7671d864d65... Author: Marco Poletti <poletti.marco@gmail.com> Date: Wed Mar 10 11:33:27 2010 +0100 MIP_Problem: make linear_combine() work when both row arguments are the same row. URL: http://www.cs.unipr.it/git/gitweb.cgi?p=ppl/ppl.git;a=commit;h=11a339165d56d... Author: Marco Poletti <poletti.marco@gmail.com> Date: Wed Mar 10 11:22:38 2010 +0100 Add sparse backend based on std::vector. Only MIP_Problem is supported as yet. URL: http://www.cs.unipr.it/git/gitweb.cgi?p=ppl/ppl.git;a=commit;h=bb7309e2321b8... Author: Marco Poletti <poletti.marco@gmail.com> Date: Wed Mar 10 11:21:02 2010 +0100 PIP_Tree: add_mul_assign_row() and sub_assign() now work with backends that define PPL_SPARSE_BACKEND_INVALIDATES_REFERENCES. URL: http://www.cs.unipr.it/git/gitweb.cgi?p=ppl/ppl.git;a=commit;h=b44870850f542... Author: Marco Poletti <poletti.marco@gmail.com> Date: Wed Mar 10 10:23:21 2010 +0100 MIP_Problem: support sparse backends that define PPL_SPARSE_BACKEND_INVALIDATES_REFERENCES. URL: http://www.cs.unipr.it/git/gitweb.cgi?p=ppl/ppl.git;a=commit;h=d613de2d6780b... Author: Marco Poletti <poletti.marco@gmail.com> Date: Wed Mar 10 09:53:20 2010 +0100 Unlimited_Sparse_Row: backends can now invalidate iterators and references in most methods, if they define PPL_SPARSE_BACKEND_INVALIDATES_REFERENCES.