[PPL-devel] [GIT] ppl/ppl(ppl-0_12-branch): Recompute the sign of the special_equality_row after modyfying it.

[Enea Zaffanella]

Module: ppl/ppl
Branch: ppl-0_12-branch
Commit: cbc2fc98c3af5eed865648ce953553d69f5ef637
URL:    http://www.cs.unipr.it/git/gitweb.cgi?p=ppl/ppl.git;a=commit;h=cbc2fc98c3af5eed865648ce953553d69f5ef637

Author: Enea Zaffanella <zaffanella at cs.unipr.it>
Date:   Fri May  4 10:13:05 2012 +0200

Recompute the sign of the special_equality_row after modyfying it.
This fixes the bug shown by test04() in tests/PIP_Problem/pipproblem3.cc.

---

 src/PIP_Tree.cc |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/src/PIP_Tree.cc b/src/PIP_Tree.cc
index f434d7d..7ce9848 100644
--- a/src/PIP_Tree.cc
+++ b/src/PIP_Tree.cc
@@ -2424,6 +2424,7 @@ PIP_Solution_Node
           const dimension_type m_eq = mapping[special_equality_row];
           sub_assign(tableau.s[m_eq], v_row);
           sub_assign(tableau.t[m_eq], p_row);
+          sign[m_eq] = row_sign(tableau.t[m_eq], big_dimension);
         }
       }
     }