1#ifndef MINOR_PROCESSOR_H
2#define MINOR_PROCESSOR_H
86 const int containerMinorSize,
88 const bool multipleMinors);
98 static int IOverJ (
const int i,
const int j);
196 virtual bool isEntryZero (
const int absoluteRowIndex,
197 const int absoluteColumnIndex)
const;
222 const int numberOfColumns,
const int* columnIndices);
284 virtual std::string
toString ()
const;
313 int getEntry (
const int rowIndex,
const int columnIndex)
const;
342 const bool multipleMinors,
374 const int characteristic,
399 const int characteristic,
409 const int absoluteColumnIndex)
const;
430 void defineMatrix (
const int numberOfRows,
const int numberOfColumns,
459 const int* columnIndices,
460 const int characteristic,
const ideal& iSB,
461 const char* algorithm);
489 const int* columnIndices,
491 const int characteristic,
const ideal& iSB);
515 const char* algorithm);
542 const int characteristic,
574 poly
getEntry (
const int rowIndex,
const int columnIndex)
const;
598 const bool multipleMinors,
649 const int absoluteColumnIndex)
const;
670 void defineMatrix (
const int numberOfRows,
const int numberOfColumns,
671 const poly* polyMatrix);
694 const int* columnIndices,
const char* algorithm,
717 const int* columnIndices,
void printCounters(char *prefix, bool resetToZero)
BOOLEAN dimension(leftv res, leftv args)
Class Cache is a template-implementation of a cache with arbitrary classes for representing keys and ...
Class IntMinorProcessor is derived from class MinorProcessor.
std::string toString() const
A method for providing a printable version of the represented MinorProcessor.
~IntMinorProcessor()
A destructor for deleting an instance.
IntMinorProcessor()
A constructor for creating an instance.
int * _intMatrix
private store for integer matrix entries
IntMinorValue getMinorPrivateBareiss(const int k, const MinorKey &mk, const int characteristic, const ideal &iSB)
A method for computing the value of a minor using Bareiss's algorithm.
bool isEntryZero(const int absoluteRowIndex, const int absoluteColumnIndex) const
A method for testing whether a matrix entry is zero.
void defineMatrix(const int numberOfRows, const int numberOfColumns, const int *matrix)
A method for defining a matrix with integer entries.
IntMinorValue getMinor(const int dimension, const int *rowIndices, const int *columnIndices, const int characteristic, const ideal &iSB, const char *algorithm)
A method for computing the value of a minor without using a cache.
IntMinorValue getNextMinor(const int characteristic, const ideal &iSB, const char *algorithm)
A method for obtaining the next minor when iterating through all minors of a given size within a pre-...
IntMinorValue getMinorPrivateLaplace(const int k, const MinorKey &mk, const bool multipleMinors, Cache< MinorKey, IntMinorValue > &c, int characteristic, const ideal &iSB)
A method for computing the value of a minor, using a cache.
int getEntry(const int rowIndex, const int columnIndex) const
A method for retrieving the matrix entry.
Class IntMinorValue is derived from MinorValue and can be used for representing values in a cache for...
Class MinorKey can be used for representing keys in a cache for sub-determinantes; see class Cache.
Class MinorProcessor implements the key methods for computing one or all sub-determinantes of a given...
virtual bool isEntryZero(const int absoluteRowIndex, const int absoluteColumnIndex) const
A method for testing whether a matrix entry is zero.
static int IOverJ(const int i, const int j)
A static method for computing the binomial coefficient i over j.
MinorKey _minor
private store for the rows and columns of the minor of interest; Usually, this minor will encode subs...
void getCurrentColumnIndices(int *const target) const
A method for obtaining the current set of columns corresponding to the current minor when iterating t...
static int NumberOfRetrievals(const int rows, const int columns, const int containerMinorSize, const int minorSize, const bool multipleMinors)
A static method for computing the maximum number of retrievals of a minor.
static int Faculty(const int i)
A static method for computing the factorial of i.
void setMinorSize(const int minorSize)
Sets the size of the minor(s) of interest.
int _containerRows
private store for the number of rows in the container minor; This is set by MinorProcessor::defineSub...
virtual std::string toString() const
A method for providing a printable version of the represented MinorProcessor.
int getBestLine(const int k, const MinorKey &mk) const
A method for identifying the row or column with the most zeros.
bool setNextKeys(const int k)
A method for iterating through all possible subsets of k rows and k columns inside a pre-defined subm...
void print() const
A method for printing a string representation of the given MinorProcessor to std::cout.
int _columns
private store for the number of columns in the underlying matrix
int _minorSize
private store for the dimension of the minor(s) of interest
void defineSubMatrix(const int numberOfRows, const int *rowIndices, const int numberOfColumns, const int *columnIndices)
A method for defining a sub-matrix within a pre-defined matrix.
MinorKey _container
private store for the rows and columns of the container minor within the underlying matrix; _containe...
bool hasNextMinor()
A method for checking whether there is a next choice of rows and columns when iterating through all m...
virtual ~MinorProcessor()
A destructor for deleting an instance.
void getCurrentRowIndices(int *const target) const
A method for obtaining the current set of rows corresponding to the current minor when iterating thro...
MinorProcessor()
The default constructor.
int _rows
private store for the number of rows in the underlying matrix
int _containerColumns
private store for the number of columns in the container minor; This is set by MinorProcessor::define...
Class PolyMinorProcessor is derived from class MinorProcessor.
~PolyMinorProcessor()
A destructor for deleting an instance.
std::string toString() const
A method for providing a printable version of the represented MinorProcessor.
PolyMinorProcessor()
A constructor for creating an instance.
PolyMinorValue getNextMinor(const char *algorithm, const ideal &iSB)
A method for obtaining the next minor when iterating through all minors of a given size within a pre-...
bool isEntryZero(const int absoluteRowIndex, const int absoluteColumnIndex) const
A method for testing whether a matrix entry is zero.
poly getEntry(const int rowIndex, const int columnIndex) const
A method for retrieving the matrix entry.
void defineMatrix(const int numberOfRows, const int numberOfColumns, const poly *polyMatrix)
A method for defining a matrix with polynomial entries.
PolyMinorValue getMinor(const int dimension, const int *rowIndices, const int *columnIndices, const char *algorithm, const ideal &iSB)
A method for computing the value of a minor, without using a cache.
PolyMinorValue getMinorPrivateLaplace(const int k, const MinorKey &mk, const bool multipleMinors, Cache< MinorKey, PolyMinorValue > &c, const ideal &iSB)
A method for computing the value of a minor, using a cache.
PolyMinorValue getMinorPrivateBareiss(const int k, const MinorKey &mk, const ideal &iSB)
A method for computing the value of a minor, without using a cache.
poly * _polyMatrix
private store for polynomial matrix entries
Class PolyMinorValue is derived from MinorValue and can be used for representing values in a cache fo...
Compatibility layer for legacy polynomial operations (over currRing)