Module: ppl/ppl Branch: termination Commit: c6433c0db9272e38f2a0d01cb50a23b8f5b0f554 URL: http://www.cs.unipr.it/git/gitweb.cgi?p=ppl/ppl.git;a=commit;h=c6433c0db9272...
Author: Roberto Bagnara bagnara@cs.unipr.it Date: Fri Mar 5 22:18:05 2010 +0400
Added method bool Constraint_System::has_equalities() const.
---
src/Constraint_System.cc | 10 ++++++++++ src/Constraint_System.defs.hh | 6 ++++++ 2 files changed, 16 insertions(+), 0 deletions(-)
diff --git a/src/Constraint_System.cc b/src/Constraint_System.cc index 2e6444a..5658058 100644 --- a/src/Constraint_System.cc +++ b/src/Constraint_System.cc @@ -206,6 +206,16 @@ adjust_topology_and_space_dimension(const Topology new_topology, }
bool +PPL::Constraint_System::has_equalities() const { + const Constraint_System& cs = *this; + // We verify if the system has equalities also in the pending part. + for (dimension_type i = cs.num_rows(); i-- > 0; ) + if (cs[i].is_equality()) + return true; + return false; +} + +bool PPL::Constraint_System::has_strict_inequalities() const { if (is_necessarily_closed()) return false; diff --git a/src/Constraint_System.defs.hh b/src/Constraint_System.defs.hh index 008eac1..7ce79ef 100644 --- a/src/Constraint_System.defs.hh +++ b/src/Constraint_System.defs.hh @@ -152,6 +152,12 @@ public:
/*! \brief Returns <CODE>true</CODE> if and only if \p *this + contains one or more equality constraints. + */ + bool has_equalities() const; + + /*! \brief + Returns <CODE>true</CODE> if and only if \p *this contains one or more strict inequality constraints. */ bool has_strict_inequalities() const;