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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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14
src/util/lp/static_matrix.h
View file

@ -82,17 +82,17 @@ public:
ref(static_matrix & m, unsigned row, unsigned col):m_matrix(m), m_row(row), m_col(col) {}
ref & operator=(T const & v) { m_matrix.set( m_row, m_col, v); return *this; }
ref & operator=(ref const & v) { m_matrix.set(m_row, m_col, v.m_matrix.get(v.m_row, v.m_col)); return *this; }
ref operator=(ref & v) { m_matrix.set(m_row, m_col, v.m_matrix.get(v.m_row, v.m_col)); return *this; }
operator T () const { return m_matrix.get_elem(m_row, m_col); }
};
class ref_row {
static_matrix & m_matrix;
const static_matrix & m_matrix;
unsigned m_row;
public:
ref_row(static_matrix & m, unsigned row):m_matrix(m), m_row(row) {}
ref operator[](unsigned col) const { return ref(m_matrix, m_row, col); }
ref_row(const static_matrix & m, unsigned row): m_matrix(m), m_row(row) {}
const T operator[](unsigned col) const { return m_matrix.get_elem(m_row, col); }
};
public:
@ -450,6 +450,10 @@ public:
column_container column(unsigned j) const {
return column_container(j, *this);
}
ref_row operator[](unsigned i) const { return ref_row(*this, i);}
typedef T coefftype;
typedef X argtype;
};
}