DetComputation Class Reference

Computation of minors of a matrix. More...

#include <det.hpp>

Inheritance diagram for DetComputation:

Public Member Functions
	DetComputation (const Matrix *M, int p, bool do_exterior, int strategy)
	~DetComputation ()
int	step ()
int	calc (int nsteps)
void	clear ()
void	discard ()
void	set_next_minor (const int *rows, const int *cols)
Matrix *	determinants ()

Private Types
using	ColRowIndices = std::pair<std::vector<int>, std::vector<int>>
using	Subdeterminant
using	MinorsSubCache
using	MinorsCache = std::vector<MinorsSubCache, gc_allocator<MinorsSubCache>>

Private Member Functions
void	get_minor (size_t *r, size_t *c, int p, ring_elem **D)
int	make_dynamic_cache ()
bool	get_pivot (ring_elem **D, size_t p, ring_elem &pivot, size_t &pivot_col)
ring_elem	detmult (ring_elem f1, ring_elem g1, ring_elem f2, ring_elem g2, ring_elem d)
void	gauss (ring_elem **D, size_t i, size_t r, size_t pivot_col, ring_elem lastpivot)
ring_elem	calc_det (size_t *r, size_t *c, int p)
ring_elem	bareiss_det ()

Private Attributes
const Ring *	R
const Matrix *	M
const FreeModule *	F
MatrixConstructor	result
bool	done
int	p
bool	do_exterior
int	strategy
size_t *	row_set
size_t *	col_set
int	this_row
int	this_col
ring_elem **	D
MinorsCache	dynamic_cache
std::map< int, int >	row_lookup

Additional Inherited Members
Static Public Member Functions inherited from our_new_delete
static void *	operator new (size_t size)
static void *	operator new[] (size_t size)
static void	operator delete (void *obj)
static void	operator delete[] (void *obj)
static void *	operator new (size_t size, void *existing_memory)
static void *	operator new[] (size_t size, void *existing_memory)
static void	operator delete (void *obj, void *existing_memory)
static void	operator delete[] (void *obj, void *existing_memory)

Detailed Description

Computation of minors of a matrix.

Definition at line 54 of file det.hpp.

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The documentation for this class was generated from the following files:

• Macaulay2/e/det.hpp
• Macaulay2/e/det.cpp