Module: ppl/ppl Branch: sparse_matrices Commit: 02cc3ed26b0cebcc016573421b0a525e76ae8d1d URL: http://www.cs.unipr.it/git/gitweb.cgi?p=ppl/ppl.git;a=commit;h=02cc3ed26b0ce...
Author: Marco Poletti poletti.marco@gmail.com Date: Wed Sep 15 11:44:24 2010 +0200
MIP_Problem: add comment.
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src/MIP_Problem.cc | 1 + 1 files changed, 1 insertions(+), 0 deletions(-)
diff --git a/src/MIP_Problem.cc b/src/MIP_Problem.cc index b27e021..27c3c61 100644 --- a/src/MIP_Problem.cc +++ b/src/MIP_Problem.cc @@ -1754,6 +1754,7 @@ PPL::MIP_Problem::erase_artificials(const dimension_type begin_artificials, { // This block is equivalent to: // working_cost[new_last_column] = working_cost.get(old_last_column); + // But it avoids storing zeroes.
Coefficient_traits::const_reference old_cost = working_cost.get(old_last_column);