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Diffstat (limited to 'build/Bonmin/include/coin/ClpPlusMinusOneMatrix.hpp')
-rw-r--r-- | build/Bonmin/include/coin/ClpPlusMinusOneMatrix.hpp | 290 |
1 files changed, 0 insertions, 290 deletions
diff --git a/build/Bonmin/include/coin/ClpPlusMinusOneMatrix.hpp b/build/Bonmin/include/coin/ClpPlusMinusOneMatrix.hpp deleted file mode 100644 index 0cf27a4..0000000 --- a/build/Bonmin/include/coin/ClpPlusMinusOneMatrix.hpp +++ /dev/null @@ -1,290 +0,0 @@ -/* $Id: ClpPlusMinusOneMatrix.hpp 2078 2015-01-05 12:39:49Z forrest $ */ -// Copyright (C) 2003, International Business Machines -// Corporation and others. All Rights Reserved. -// This code is licensed under the terms of the Eclipse Public License (EPL). - -#ifndef ClpPlusMinusOneMatrix_H -#define ClpPlusMinusOneMatrix_H - - -#include "CoinPragma.hpp" - -#include "ClpMatrixBase.hpp" - -/** This implements a simple +- one matrix as derived from ClpMatrixBase. - -*/ - -class ClpPlusMinusOneMatrix : public ClpMatrixBase { - -public: - /**@name Useful methods */ - //@{ - /// Return a complete CoinPackedMatrix - virtual CoinPackedMatrix * getPackedMatrix() const; - /** Whether the packed matrix is column major ordered or not. */ - virtual bool isColOrdered() const ; - /** Number of entries in the packed matrix. */ - virtual CoinBigIndex getNumElements() const; - /** Number of columns. */ - virtual int getNumCols() const { - return numberColumns_; - } - /** Number of rows. */ - virtual int getNumRows() const { - return numberRows_; - } - - /** A vector containing the elements in the packed matrix. Note that there - might be gaps in this list, entries that do not belong to any - major-dimension vector. To get the actual elements one should look at - this vector together with vectorStarts and vectorLengths. */ - virtual const double * getElements() const; - /** A vector containing the minor indices of the elements in the packed - matrix. Note that there might be gaps in this list, entries that do not - belong to any major-dimension vector. To get the actual elements one - should look at this vector together with vectorStarts and - vectorLengths. */ - virtual const int * getIndices() const { - return indices_; - } - // and for advanced use - int * getMutableIndices() const { - return indices_; - } - - virtual const CoinBigIndex * getVectorStarts() const; - /** The lengths of the major-dimension vectors. */ - virtual const int * getVectorLengths() const; - - /** Delete the columns whose indices are listed in <code>indDel</code>. */ - virtual void deleteCols(const int numDel, const int * indDel); - /** Delete the rows whose indices are listed in <code>indDel</code>. */ - virtual void deleteRows(const int numDel, const int * indDel); - /// Append Columns - virtual void appendCols(int number, const CoinPackedVectorBase * const * columns); - /// Append Rows - virtual void appendRows(int number, const CoinPackedVectorBase * const * rows); -#ifndef SLIM_CLP - /** Append a set of rows/columns to the end of the matrix. Returns number of errors - i.e. if any of the new rows/columns contain an index that's larger than the - number of columns-1/rows-1 (if numberOther>0) or duplicates - If 0 then rows, 1 if columns */ - virtual int appendMatrix(int number, int type, - const CoinBigIndex * starts, const int * index, - const double * element, int numberOther = -1); -#endif - /** Returns a new matrix in reverse order without gaps */ - virtual ClpMatrixBase * reverseOrderedCopy() const; - /// Returns number of elements in column part of basis - virtual CoinBigIndex countBasis( - const int * whichColumn, - int & numberColumnBasic); - /// Fills in column part of basis - virtual void fillBasis(ClpSimplex * model, - const int * whichColumn, - int & numberColumnBasic, - int * row, int * start, - int * rowCount, int * columnCount, - CoinFactorizationDouble * element); - /** Given positive integer weights for each row fills in sum of weights - for each column (and slack). - Returns weights vector - */ - virtual CoinBigIndex * dubiousWeights(const ClpSimplex * model, int * inputWeights) const; - /** Returns largest and smallest elements of both signs. - Largest refers to largest absolute value. - */ - virtual void rangeOfElements(double & smallestNegative, double & largestNegative, - double & smallestPositive, double & largestPositive); - /** Unpacks a column into an CoinIndexedvector - */ - virtual void unpack(const ClpSimplex * model, CoinIndexedVector * rowArray, - int column) const ; - /** Unpacks a column into an CoinIndexedvector - ** in packed foramt - Note that model is NOT const. Bounds and objective could - be modified if doing column generation (just for this variable) */ - virtual void unpackPacked(ClpSimplex * model, - CoinIndexedVector * rowArray, - int column) const; - /** Adds multiple of a column into an CoinIndexedvector - You can use quickAdd to add to vector */ - virtual void add(const ClpSimplex * model, CoinIndexedVector * rowArray, - int column, double multiplier) const ; - /** Adds multiple of a column into an array */ - virtual void add(const ClpSimplex * model, double * array, - int column, double multiplier) const; - /// Allow any parts of a created CoinMatrix to be deleted - virtual void releasePackedMatrix() const; - /** Set the dimensions of the matrix. In effect, append new empty - columns/rows to the matrix. A negative number for either dimension - means that that dimension doesn't change. Otherwise the new dimensions - MUST be at least as large as the current ones otherwise an exception - is thrown. */ - virtual void setDimensions(int numrows, int numcols); - /// Just checks matrix valid - will say if dimensions not quite right if detail - void checkValid(bool detail) const; - //@} - - /**@name Matrix times vector methods */ - //@{ - /** Return <code>y + A * scalar *x</code> in <code>y</code>. - @pre <code>x</code> must be of size <code>numColumns()</code> - @pre <code>y</code> must be of size <code>numRows()</code> */ - virtual void times(double scalar, - const double * x, double * y) const; - /// And for scaling - virtual void times(double scalar, - const double * x, double * y, - const double * rowScale, - const double * columnScale) const; - /** Return <code>y + x * scalar * A</code> in <code>y</code>. - @pre <code>x</code> must be of size <code>numRows()</code> - @pre <code>y</code> must be of size <code>numColumns()</code> */ - virtual void transposeTimes(double scalar, - const double * x, double * y) const; - /// And for scaling - virtual void transposeTimes(double scalar, - const double * x, double * y, - const double * rowScale, - const double * columnScale, double * spare = NULL) const; - /** Return <code>x * scalar * A + y</code> in <code>z</code>. - Can use y as temporary array (will be empty at end) - Note - If x packed mode - then z packed mode - Squashes small elements and knows about ClpSimplex */ - virtual void transposeTimes(const ClpSimplex * model, double scalar, - const CoinIndexedVector * x, - CoinIndexedVector * y, - CoinIndexedVector * z) const; - /** Return <code>x * scalar * A + y</code> in <code>z</code>. - Can use y as temporary array (will be empty at end) - Note - If x packed mode - then z packed mode - Squashes small elements and knows about ClpSimplex. - This version uses row copy*/ - virtual void transposeTimesByRow(const ClpSimplex * model, double scalar, - const CoinIndexedVector * x, - CoinIndexedVector * y, - CoinIndexedVector * z) const; - /** Return <code>x *A</code> in <code>z</code> but - just for indices in y. - Note - z always packed mode */ - virtual void subsetTransposeTimes(const ClpSimplex * model, - const CoinIndexedVector * x, - const CoinIndexedVector * y, - CoinIndexedVector * z) const; - /** Returns true if can combine transposeTimes and subsetTransposeTimes - and if it would be faster */ - virtual bool canCombine(const ClpSimplex * model, - const CoinIndexedVector * pi) const; - /// Updates two arrays for steepest - virtual void transposeTimes2(const ClpSimplex * model, - const CoinIndexedVector * pi1, CoinIndexedVector * dj1, - const CoinIndexedVector * pi2, - CoinIndexedVector * spare, - double referenceIn, double devex, - // Array for exact devex to say what is in reference framework - unsigned int * reference, - double * weights, double scaleFactor); - /// Updates second array for steepest and does devex weights - virtual void subsetTimes2(const ClpSimplex * model, - CoinIndexedVector * dj1, - const CoinIndexedVector * pi2, CoinIndexedVector * dj2, - double referenceIn, double devex, - // Array for exact devex to say what is in reference framework - unsigned int * reference, - double * weights, double scaleFactor); - //@} - - /**@name Other */ - //@{ - /// Return starts of +1s - inline CoinBigIndex * startPositive() const { - return startPositive_; - } - /// Return starts of -1s - inline CoinBigIndex * startNegative() const { - return startNegative_; - } - //@} - - - /**@name Constructors, destructor */ - //@{ - /** Default constructor. */ - ClpPlusMinusOneMatrix(); - /** Destructor */ - virtual ~ClpPlusMinusOneMatrix(); - //@} - - /**@name Copy method */ - //@{ - /** The copy constructor. */ - ClpPlusMinusOneMatrix(const ClpPlusMinusOneMatrix&); - /** The copy constructor from an CoinPlusMinusOneMatrix. - If not a valid matrix then getIndices will be NULL and - startPositive[0] will have number of +1, - startPositive[1] will have number of -1, - startPositive[2] will have number of others, - */ - ClpPlusMinusOneMatrix(const CoinPackedMatrix&); - /// Constructor from arrays - ClpPlusMinusOneMatrix(int numberRows, int numberColumns, - bool columnOrdered, const int * indices, - const CoinBigIndex * startPositive, const CoinBigIndex * startNegative); - /** Subset constructor (without gaps). Duplicates are allowed - and order is as given */ - ClpPlusMinusOneMatrix (const ClpPlusMinusOneMatrix & wholeModel, - int numberRows, const int * whichRows, - int numberColumns, const int * whichColumns); - - ClpPlusMinusOneMatrix& operator=(const ClpPlusMinusOneMatrix&); - /// Clone - virtual ClpMatrixBase * clone() const ; - /** Subset clone (without gaps). Duplicates are allowed - and order is as given */ - virtual ClpMatrixBase * subsetClone ( - int numberRows, const int * whichRows, - int numberColumns, const int * whichColumns) const ; - /// pass in copy (object takes ownership) - void passInCopy(int numberRows, int numberColumns, - bool columnOrdered, int * indices, - CoinBigIndex * startPositive, CoinBigIndex * startNegative); - /// Says whether it can do partial pricing - virtual bool canDoPartialPricing() const; - /// Partial pricing - virtual void partialPricing(ClpSimplex * model, double start, double end, - int & bestSequence, int & numberWanted); - //@} - - -protected: - /**@name Data members - The data members are protected to allow access for derived classes. */ - //@{ - /// For fake CoinPackedMatrix - mutable CoinPackedMatrix * matrix_; - mutable int * lengths_; - /// Start of +1's for each - CoinBigIndex * COIN_RESTRICT startPositive_; - /// Start of -1's for each - CoinBigIndex * COIN_RESTRICT startNegative_; - /// Data -1, then +1 rows in pairs (row==-1 if one entry) - int * COIN_RESTRICT indices_; - /// Number of rows - int numberRows_; - /// Number of columns - int numberColumns_; -#ifdef CLP_PLUS_ONE_MATRIX - /** Other flags (could have columnOrdered_?) - 1 bit - says just +1 - */ - mutable int otherFlags_; -#endif - /// True if column ordered - bool columnOrdered_; - - //@} -}; - -#endif |