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Code Activity

extract gomory cut functionality in one method

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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 2018-04-20 11:24:20 -07:00
parent c04bcb411d
commit 3b5337823a
35 changed files with 2178 additions and 760 deletions
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46
src/util/lp/hnf_cutter.h Normal file
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/*++
Copyright (c) 2017 Microsoft Corporation
Module Name:
<name>
Abstract:
<abstract>
Author:
Lev Nachmanson (levnach)
Nikolaj Bjorner (nbjorner)
Revision History:
--*/
#pragma once
#include "util/lp/lar_term.h"
#include "util/lp/hnf.h"
#include "util/lp/general_matrix.h"
#include "util/lp/var_register.h"
namespace lp {
class hnf_cutter {
var_register m_var_register;
general_matrix m_A;
vector<const lar_term*> m_terms;
public:
void clear() {
m_A.clear();
m_var_register.clear();
m_terms.clear();
}
void add_term_to_A_for_hnf(const lar_term* t, const mpq &) {
m_terms.push_back(t);
for (const auto &p : *t) {
m_var_register.register_user_var(p.var());
}
}
void print(std::ostream & out) {
out << "terms = " << m_terms.size() << ", var = " << m_var_register.size() << std::endl;
}
};
}