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Code Activity

extract gomory cut functionality in one method

Browse source 
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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8
src/util/lp/square_dense_submatrix.h
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@ -34,7 +34,7 @@ Revision History:
#include "util/lp/lp_settings.h"
#include "util/lp/eta_matrix.h"
#include "util/lp/binary_heap_upair_queue.h"
#include "util/lp/sparse_matrix.h"
#include "util/lp/square_sparse_matrix.h"
namespace lp {
template <typename T, typename X>
class square_dense_submatrix : public tail_matrix<T, X> {
@ -57,7 +57,7 @@ public:
unsigned m_index_start;
unsigned m_dim;
vector<T> m_v;
sparse_matrix<T, X> * m_parent;
square_sparse_matrix<T, X> * m_parent;
permutation_matrix<T, X> m_row_permutation;
indexed_vector<T> m_work_vector;
public:
@ -66,9 +66,9 @@ public:
square_dense_submatrix() {}
square_dense_submatrix (sparse_matrix<T, X> *parent_matrix, unsigned index_start);
square_dense_submatrix (square_sparse_matrix<T, X> *parent_matrix, unsigned index_start);
void init(sparse_matrix<T, X> *parent_matrix, unsigned index_start);
void init(square_sparse_matrix<T, X> *parent_matrix, unsigned index_start);
bool is_dense() const override { return true; }