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extract gomory cut functionality in one method
Signed-off-by: Lev Nachmanson <levnach@hotmail.com> work on hnf Signed-off-by: Lev Nachmanson <levnach@hotmail.com> work in hnf Signed-off-by: Lev Nachmanson <levnach@hotmail.com> work in hnf Signed-off-by: Lev Nachmanson <levnach@hotmail.com> work in hnf Signed-off-by: Lev Nachmanson <levnach@hotmail.com> work in hnf Signed-off-by: Lev Nachmanson <levnach@hotmail.com> work on hnf Signed-off-by: Lev Nachmanson <levnach@hotmail.com> work on hnf Signed-off-by: Lev Nachmanson <levnach@hotmail.com> prepare calculate U in hnf Signed-off-by: Lev Nachmanson <levnach@hotmail.com> naive algorithm for HNF and m <= n Signed-off-by: Lev Nachmanson <levnach@hotmail.com> naive algorithm for HNF Signed-off-by: Lev Nachmanson <levnach@hotmail.com> introduces reverse matrix into Hermite Normal Form calculation Signed-off-by: Lev Nachmanson <levnach@hotmail.com> work on more efficient hnf Signed-off-by: Lev Nachmanson <levnach@hotmail.com> work on hnf Signed-off-by: Lev Nachmanson <levnach@hotmail.com> use smarter templates in lu.h Signed-off-by: Lev Nachmanson <levnach@hotmail.com> the new lu scheme compiles Signed-off-by: Lev Nachmanson <levnach@hotmail.com> simple test passes with the modified lu Signed-off-by: Lev Nachmanson <levnach@hotmail.com> fix the build on windows Signed-off-by: Lev Nachmanson <levnach@hotmail.com> playing with the example from cutting the mix Signed-off-by: Lev Nachmanson <levnach@hotmail.com> work on hnf, add extended_gcd_minimal_uv() Signed-off-by: Lev Nachmanson <levnach@hotmail.com> work on extended_gcd_minimal_uv Signed-off-by: Lev Nachmanson <levnach@hotmail.com> work on hnf, add extended_gcd_minimal_uv() Signed-off-by: Lev Nachmanson <levnach@hotmail.com> more tests and bug fixes in hnf Signed-off-by: Lev Nachmanson <levnach@hotmail.com> work on hnf modulo version Signed-off-by: Lev Nachmanson <levnach@hotmail.com> work on hnf modulo version, more tests pass Signed-off-by: Lev Nachmanson <levnach@hotmail.com> a rough version of hnf passed the tests Signed-off-by: Lev Nachmanson <levnach@hotmail.com> fix build in release Signed-off-by: Lev Nachmanson <levnach@hotmail.com> fixes in determinant calculations Signed-off-by: Lev Nachmanson <levnach@hotmail.com> work on hnf Signed-off-by: Lev Nachmanson <levnach@hotmail.com> work on hnf Signed-off-by: Lev Nachmanson <levnach@hotmail.com> work on hnf Signed-off-by: Lev Nachmanson <levnach@hotmail.com> work on hnf Signed-off-by: Lev Nachmanson <levnach@hotmail.com> create a stub for hnf_cuts Signed-off-by: Lev Nachmanson <levnach@hotmail.com> create a stub for hnf_cuts Signed-off-by: Lev Nachmanson <levnach@hotmail.com> create a stub for hnf_cuts Signed-off-by: Lev Nachmanson <levnach@hotmail.com> general_matrix etc. Signed-off-by: Lev Nachmanson <levnach@hotmail.com> general_matrix etc. Signed-off-by: Lev Nachmanson <levnach@hotmail.com> rename cut_solver to chase_cut_solver Signed-off-by: Lev Nachmanson <levnach@hotmail.com> rename cut_solver to chase_cut_solver Signed-off-by: Lev Nachmanson <levnach@hotmail.com> hnf_cutter Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
This commit is contained in:
Lev Nachmanson
parent
c04bcb411d
commit
3b5337823a
35 changed files with 2178 additions and 760 deletions
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@ -102,10 +102,10 @@ struct stats {
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unsigned m_need_to_solve_inf;
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unsigned m_max_cols;
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unsigned m_max_rows;
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unsigned m_cut_solver_calls;
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unsigned m_cut_solver_true;
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unsigned m_cut_solver_false;
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unsigned m_cut_solver_undef;
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unsigned m_chase_cut_solver_calls;
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unsigned m_chase_cut_solver_true;
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unsigned m_chase_cut_solver_false;
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unsigned m_chase_cut_solver_undef;
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unsigned m_gcd_calls;
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unsigned m_gcd_conflicts;
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unsigned m_cube_calls;
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@ -232,11 +232,12 @@ public:
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backup_costs(true),
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column_number_threshold_for_using_lu_in_lar_solver(4000),
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m_int_gomory_cut_period(4),
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m_int_cut_solver_period(8),
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m_int_chase_cut_solver_period(8),
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m_int_find_cube_period(4),
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m_int_cuts_etc_period(4),
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m_hnf_cut_period(4),
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m_int_run_gcd_test(true),
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m_cut_solver_cycle_on_var(10),
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m_chase_cut_solver_cycle_on_var(10),
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m_int_pivot_fixed_vars_from_basis(false),
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m_int_patch_only_integer_values(true)
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{}
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@ -346,11 +347,12 @@ public:
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bool backup_costs;
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unsigned column_number_threshold_for_using_lu_in_lar_solver;
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unsigned m_int_gomory_cut_period;
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unsigned m_int_cut_solver_period;
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unsigned m_int_chase_cut_solver_period;
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unsigned m_int_find_cube_period;
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unsigned m_int_cuts_etc_period;
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unsigned m_hnf_cut_period;
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bool m_int_run_gcd_test;
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unsigned m_cut_solver_cycle_on_var;
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unsigned m_chase_cut_solver_cycle_on_var;
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bool m_int_pivot_fixed_vars_from_basis;
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bool m_int_patch_only_integer_values;
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}; // end of lp_settings class
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