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work on niil base case

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Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
This commit is contained in:
Lev Nachmanson 2018-08-15 20:38:11 +08:00
parent 406a021310
commit b4aaaffc99
2 changed files with 90 additions and 16 deletions
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24
src/util/lp/lar_solver.h
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@ -260,6 +260,30 @@ public:
unsigned adjust_column_index_to_term_index(unsigned j) const;
var_index local2external(var_index idx) const { return m_var_register.local_to_external(idx); }
var_index external2local(unsigned j) const {
var_index local_j;
lp_assert(m_var_register.external_is_used(j, local_j));
m_var_register.external_is_used(j, local_j);
return local_j;
}
bool column_has_upper_bound(unsigned j) const {
return m_mpq_lar_core_solver.m_r_solver.column_has_upper_bound(j);
}
bool column_has_lower_bound(unsigned j) const {
return m_mpq_lar_core_solver.m_r_solver.column_has_lower_bound(j);
}
const impq& get_upper_bound(unsigned j) const {
return m_mpq_lar_core_solver.m_r_solver.m_upper_bounds[j];
}
const impq& get_lower_bound(unsigned j) const {
return m_mpq_lar_core_solver.m_r_solver.m_lower_bounds[j];
}
void propagate_bounds_on_a_term(const lar_term& t, bound_propagator & bp, unsigned term_offset);