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do not add row with free basic vars in grobner, more tracing

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Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
This commit is contained in:
Lev Nachmanson 2019-12-03 16:56:41 -08:00
parent 6752463a8c
commit 0b1023c2c7
7 changed files with 30 additions and 3 deletions
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4
src/math/lp/lar_solver.cpp
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@ -1693,6 +1693,10 @@ bool lar_solver::column_is_fixed(unsigned j) const {
return m_mpq_lar_core_solver.column_is_fixed(j);
}
bool lar_solver::column_is_free(unsigned j) const {
return m_mpq_lar_core_solver.column_is_free(j);
}
// below is the initialization functionality of lar_solver
bool lar_solver::strategy_is_undecided() const {