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avoid going creating hnf_cuts if all involved vars have integral values
Signed-off-by: Lev Nachmanson <levnach@hotmail.com> add explanations to hnf cuts Signed-off-by: Lev Nachmanson <levnach@hotmail.com> nits and virtual methods (#68) * local Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * virtual method in bound propagator Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> cleanup from std::cout Signed-off-by: Lev Nachmanson <levnach@hotmail.com> handle the case when the number of terms is greater than the number of variables in hnf Signed-off-by: Lev Nachmanson <levnach@hotmail.com> method name's fix Signed-off-by: Lev Nachmanson <levnach@hotmail.com> restore hnf_cutter to work with m_row_count <= m_column_count Signed-off-by: Lev Nachmanson <levnach@hotmail.com> tune addition of rational numbers (#70) * log quantifiers only if present Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * merge and fix some warnings Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * set new arith as default for LIA Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * local Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * virtual method in bound propagator Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * prepare for mixed integer-real Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * fix default tactic usage Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> give shorter explanations, call hnf only when have a not integral var Signed-off-by: Lev Nachmanson <levnach@hotmail.com> overhaul of mpq (#71) * log quantifiers only if present Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * merge and fix some warnings Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * set new arith as default for LIA Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * local Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * virtual method in bound propagator Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * prepare for mixed integer-real Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * fix default tactic usage Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * overhaul of mpz/mpq Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * disabled temporary setting Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * remove prints Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> fix for 32 bit build (#72) * log quantifiers only if present Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * merge and fix some warnings Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * set new arith as default for LIA Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * local Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * virtual method in bound propagator Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * prepare for mixed integer-real Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * fix default tactic usage Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * overhaul of mpz/mpq Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * disabled temporary setting Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * remove prints Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * customize for 64 bit Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> yes (#74) * log quantifiers only if present Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * merge and fix some warnings Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * set new arith as default for LIA Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * local Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * virtual method in bound propagator Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * prepare for mixed integer-real Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * fix default tactic usage Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * overhaul of mpz/mpq Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * disabled temporary setting Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * remove prints Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * customize for 64 bit Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * customize for 64 bit Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * more refactor Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> fix the merge Signed-off-by: Lev Nachmanson <levnach@hotmail.com> fixes in maximize_term untested Signed-off-by: Lev Nachmanson <levnach@hotmail.com> fix compilation (#75) * log quantifiers only if present Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * merge and fix some warnings Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * set new arith as default for LIA Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * local Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * virtual method in bound propagator Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * prepare for mixed integer-real Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * fix default tactic usage Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * overhaul of mpz/mpq Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * disabled temporary setting Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * remove prints Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * customize for 64 bit Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * customize for 64 bit Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * more refactor Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * merge Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * relax check Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * change for gcc Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * merge Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
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41 changed files with 942 additions and 1280 deletions
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@ -36,7 +36,6 @@ Revision History:
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#include <stack>
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#include "util/lp/stacked_value.h"
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#include "util/lp/stacked_vector.h"
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#include "util/lp/stacked_unordered_set.h"
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#include "util/lp/implied_bound.h"
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#include "util/lp/bound_analyzer_on_row.h"
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#include "util/lp/conversion_helper.h"
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@ -326,8 +325,8 @@ public:
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impq &term_max);
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// starting from a given feasible state look for the maximum of the term
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// return true if found and false if unbounded
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bool maximize_term(const vector<std::pair<mpq, var_index>> & term,
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impq &term_max);
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lp_status maximize_term(const vector<std::pair<mpq, var_index>> & term,
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impq &term_max);
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@ -435,9 +434,9 @@ public:
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mpq sum_of_right_sides_of_explanation(const vector<std::pair<mpq, unsigned>> & explanation) const;
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bool has_lower_bound(var_index var, constraint_index& ci, mpq& value, bool& is_strict);
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bool has_lower_bound(var_index var, constraint_index& ci, mpq& value, bool& is_strict) const;
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bool has_upper_bound(var_index var, constraint_index& ci, mpq& value, bool& is_strict);
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bool has_upper_bound(var_index var, constraint_index& ci, mpq& value, bool& is_strict) const;
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void get_infeasibility_explanation(vector<std::pair<mpq, constraint_index>> & explanation) const;
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@ -587,6 +586,7 @@ public:
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unsigned column_count() const { return A_r().column_count(); }
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const vector<unsigned> & r_basis() const { return m_mpq_lar_core_solver.r_basis(); }
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const vector<unsigned> & r_nbasis() const { return m_mpq_lar_core_solver.r_nbasis(); }
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bool get_equality_and_right_side_for_term_on_corrent_x(unsigned i, mpq &rs, bool & has_bounds) const;
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bool get_equality_and_right_side_for_term_on_current_x(unsigned i, mpq &rs, constraint_index& ci) const;
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bool remove_from_basis(unsigned);
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};
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}
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