Added linux shared libraries and header files for int and ecos functions

1 files changed, 381 insertions, 0 deletions

diff --git a/thirdparty/linux/include/coin1/ClpDynamicMatrix.hpp b/thirdparty/linux/include/coin1/ClpDynamicMatrix.hpp
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+/* $Id: ClpDynamicMatrix.hpp 1755 2011-06-28 18:24:31Z lou $ */
+// Copyright (C) 2004, International Business Machines
+// Corporation and others.  All Rights Reserved.
+// This code is licensed under the terms of the Eclipse Public License (EPL).
+
+#ifndef ClpDynamicMatrix_H
+#define ClpDynamicMatrix_H
+
+
+#include "CoinPragma.hpp"
+
+#include "ClpPackedMatrix.hpp"
+class ClpSimplex;
+/** This implements  a dynamic matrix when we have a limit on the number of
+    "interesting rows". This version inherits from ClpPackedMatrix and knows that
+    the real matrix is gub.  A later version could use shortest path to generate columns.
+
+*/
+
+class ClpDynamicMatrix : public ClpPackedMatrix {
+
+public:
+     /// enums for status of various sorts
+     enum DynamicStatus {
+          soloKey = 0x00,
+          inSmall = 0x01,
+          atUpperBound = 0x02,
+          atLowerBound = 0x03
+     };
+     /**@name Main functions provided */
+     //@{
+     /// Partial pricing
+     virtual void partialPricing(ClpSimplex * model, double start, double end,
+                                 int & bestSequence, int & numberWanted);
+
+     /**
+        update information for a pivot (and effective rhs)
+     */
+     virtual int updatePivot(ClpSimplex * model, double oldInValue, double oldOutValue);
+     /** Returns effective RHS offset if it is being used.  This is used for long problems
+         or big dynamic or anywhere where going through full columns is
+         expensive.  This may re-compute */
+     virtual double * rhsOffset(ClpSimplex * model, bool forceRefresh = false,
+                                bool check = false);
+
+     using ClpPackedMatrix::times ;
+     /** 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;
+     /// Modifies rhs offset
+     void modifyOffset(int sequence, double amount);
+     /// Gets key value when none in small
+     double keyValue(int iSet) const;
+     /**
+         mode=0  - Set up before "updateTranspose" and "transposeTimes" for duals using extended
+                   updates array (and may use other if dual values pass)
+         mode=1  - Update dual solution after "transposeTimes" using extended rows.
+         mode=2  - Compute all djs and compute key dual infeasibilities
+         mode=3  - Report on key dual infeasibilities
+         mode=4  - Modify before updateTranspose in partial pricing
+     */
+     virtual void dualExpanded(ClpSimplex * model, CoinIndexedVector * array,
+                               double * other, int mode);
+     /**
+         mode=0  - Create list of non-key basics in pivotVariable_ using
+                   number as numberBasic in and out
+         mode=1  - Set all key variables as basic
+         mode=2  - return number extra rows needed, number gives maximum number basic
+         mode=3  - before replaceColumn
+         mode=4  - return 1 if can do primal, 2 if dual, 3 if both
+         mode=5  - save any status stuff (when in good state)
+         mode=6  - restore status stuff
+         mode=7  - flag given variable (normally sequenceIn)
+         mode=8  - unflag all variables
+         mode=9  - synchronize costs
+         mode=10  - return 1 if there may be changing bounds on variable (column generation)
+         mode=11  - make sure set is clean (used when a variable rejected - but not flagged)
+         mode=12  - after factorize but before permute stuff
+         mode=13  - at end of simplex to delete stuff
+     */
+     virtual int generalExpanded(ClpSimplex * model, int mode, int & number);
+     /** Purely for column generation and similar ideas.  Allows
+         matrix and any bounds or costs to be updated (sensibly).
+         Returns non-zero if any changes.
+     */
+     virtual int refresh(ClpSimplex * model);
+     /** Creates a variable.  This is called after partial pricing and will modify matrix.
+         Will update bestSequence.
+     */
+     virtual void createVariable(ClpSimplex * model, int & bestSequence);
+     /// Returns reduced cost of a variable
+     virtual double reducedCost( ClpSimplex * model, int sequence) const;
+     /// Does gub crash
+     void gubCrash();
+     /// Writes out model (without names)
+     void writeMps(const char * name);
+     /// Populates initial matrix from dynamic status
+     void initialProblem();
+     /** Adds in a column to gub structure (called from descendant) and returns sequence */
+     int addColumn(int numberEntries, const int * row, const double * element,
+                   double cost, double lower, double upper, int iSet,
+                   DynamicStatus status);
+     /** If addColumn forces compression then this allows descendant to know what to do.
+         If >=0 then entry stayed in, if -1 then entry went out to lower bound.of zero.
+         Entries at upper bound (really nonzero) never go out (at present).
+     */
+     virtual void packDown(const int * , int ) {}
+     /// Gets lower bound (to simplify coding)
+     inline double columnLower(int sequence) const {
+          if (columnLower_) return columnLower_[sequence];
+          else return 0.0;
+     }
+     /// Gets upper bound (to simplify coding)
+     inline double columnUpper(int sequence) const {
+          if (columnUpper_) return columnUpper_[sequence];
+          else return COIN_DBL_MAX;
+     }
+
+     //@}
+
+
+
+     /**@name Constructors, destructor */
+     //@{
+     /** Default constructor. */
+     ClpDynamicMatrix();
+     /** This is the real constructor.
+         It assumes factorization frequency will not be changed.
+         This resizes model !!!!
+         The contents of original matrix in model will be taken over and original matrix
+         will be sanitized so can be deleted (to avoid a very small memory leak)
+      */
+     ClpDynamicMatrix(ClpSimplex * model, int numberSets,
+                      int numberColumns, const int * starts,
+                      const double * lower, const double * upper,
+                      const CoinBigIndex * startColumn, const int * row,
+                      const double * element, const double * cost,
+                      const double * columnLower = NULL, const double * columnUpper = NULL,
+                      const unsigned char * status = NULL,
+                      const unsigned char * dynamicStatus = NULL);
+
+     /** Destructor */
+     virtual ~ClpDynamicMatrix();
+     //@}
+
+     /**@name Copy method */
+     //@{
+     /** The copy constructor. */
+     ClpDynamicMatrix(const ClpDynamicMatrix&);
+     /** The copy constructor from an CoinPackedMatrix. */
+     ClpDynamicMatrix(const CoinPackedMatrix&);
+
+     ClpDynamicMatrix& operator=(const ClpDynamicMatrix&);
+     /// Clone
+     virtual ClpMatrixBase * clone() const ;
+     //@}
+     /**@name gets and sets */
+     //@{
+     /// Status of row slacks
+     inline ClpSimplex::Status getStatus(int sequence) const {
+          return static_cast<ClpSimplex::Status> (status_[sequence] & 7);
+     }
+     inline void setStatus(int sequence, ClpSimplex::Status status) {
+          unsigned char & st_byte = status_[sequence];
+          st_byte = static_cast<unsigned char>(st_byte & ~7);
+          st_byte = static_cast<unsigned char>(st_byte | status);
+     }
+     /// Whether flagged slack
+     inline bool flaggedSlack(int i) const {
+          return (status_[i] & 8) != 0;
+     }
+     inline void setFlaggedSlack(int i) {
+          status_[i] = static_cast<unsigned char>(status_[i] | 8);
+     }
+     inline void unsetFlaggedSlack(int i) {
+          status_[i] = static_cast<unsigned char>(status_[i] & ~8);
+     }
+     /// Number of sets (dynamic rows)
+     inline int numberSets() const {
+          return numberSets_;
+     }
+     /// Number of possible gub variables
+     inline int numberGubEntries() const
+     { return startSet_[numberSets_];}
+     /// Sets
+     inline int * startSets() const
+     { return startSet_;}
+     /// Whether flagged
+     inline bool flagged(int i) const {
+          return (dynamicStatus_[i] & 8) != 0;
+     }
+     inline void setFlagged(int i) {
+          dynamicStatus_[i] = static_cast<unsigned char>(dynamicStatus_[i] | 8);
+     }
+     inline void unsetFlagged(int i) {
+          dynamicStatus_[i] = static_cast<unsigned char>(dynamicStatus_[i] & ~8);
+     }
+     inline void setDynamicStatus(int sequence, DynamicStatus status) {
+          unsigned char & st_byte = dynamicStatus_[sequence];
+          st_byte = static_cast<unsigned char>(st_byte & ~7);
+          st_byte = static_cast<unsigned char>(st_byte | status);
+     }
+     inline DynamicStatus getDynamicStatus(int sequence) const {
+          return static_cast<DynamicStatus> (dynamicStatus_[sequence] & 7);
+     }
+     /// Saved value of objective offset
+     inline double objectiveOffset() const {
+          return objectiveOffset_;
+     }
+     /// Starts of each column
+     inline CoinBigIndex * startColumn() const {
+          return startColumn_;
+     }
+     /// rows
+     inline int * row() const {
+          return row_;
+     }
+     /// elements
+     inline double * element() const {
+          return element_;
+     }
+     /// costs
+     inline double * cost() const {
+          return cost_;
+     }
+     /// ids of active columns (just index here)
+     inline int * id() const {
+          return id_;
+     }
+     /// Optional lower bounds on columns
+     inline double * columnLower() const {
+          return columnLower_;
+     }
+     /// Optional upper bounds on columns
+     inline double * columnUpper() const {
+          return columnUpper_;
+     }
+     /// Lower bounds on sets
+     inline double * lowerSet() const {
+          return lowerSet_;
+     }
+     /// Upper bounds on sets
+     inline double * upperSet() const {
+          return upperSet_;
+     }
+     /// size
+     inline int numberGubColumns() const {
+          return numberGubColumns_;
+     }
+     /// first free
+     inline int firstAvailable() const {
+          return firstAvailable_;
+     }
+     /// first dynamic
+     inline int firstDynamic() const {
+          return firstDynamic_;
+     }
+     /// number of columns in dynamic model
+     inline int lastDynamic() const {
+          return lastDynamic_;
+     }
+     /// number of rows in original model
+     inline int numberStaticRows() const {
+          return numberStaticRows_;
+     }
+     /// size of working matrix (max)
+     inline int numberElements() const {
+          return numberElements_;
+     }
+     inline int * keyVariable() const {
+          return keyVariable_;
+     }
+     /// Switches off dj checking each factorization (for BIG models)
+     void switchOffCheck();
+     /// Status region for gub slacks
+     inline unsigned char * gubRowStatus() const {
+          return status_;
+     }
+     /// Status region for gub variables
+     inline unsigned char * dynamicStatus() const {
+          return dynamicStatus_;
+     }
+     /// Returns which set a variable is in
+     int whichSet (int sequence) const;
+     //@}
+
+
+protected:
+     /**@name Data members
+        The data members are protected to allow access for derived classes. */
+     //@{
+     /// Sum of dual infeasibilities
+     double sumDualInfeasibilities_;
+     /// Sum of primal infeasibilities
+     double sumPrimalInfeasibilities_;
+     /// Sum of Dual infeasibilities using tolerance based on error in duals
+     double sumOfRelaxedDualInfeasibilities_;
+     /// Sum of Primal infeasibilities using tolerance based on error in primals
+     double sumOfRelaxedPrimalInfeasibilities_;
+     /// Saved best dual on gub row in pricing
+     double savedBestGubDual_;
+     /// Saved best set in pricing
+     int savedBestSet_;
+     /// Backward pointer to pivot row !!!
+     int * backToPivotRow_;
+     /// Key variable of set (only accurate if none in small problem)
+     mutable int * keyVariable_;
+     /// Backward pointer to extra row
+     int * toIndex_;
+     // Reverse pointer from index to set
+     int * fromIndex_;
+     /// Number of sets (dynamic rows)
+     int numberSets_;
+     /// Number of active sets
+     int numberActiveSets_;
+     /// Saved value of objective offset
+     double objectiveOffset_;
+     /// Lower bounds on sets
+     double * lowerSet_;
+     /// Upper bounds on sets
+     double * upperSet_;
+     /// Status of slack on set
+     unsigned char * status_;
+     /// Pointer back to model
+     ClpSimplex * model_;
+     /// first free
+     int firstAvailable_;
+     /// first free when iteration started
+     int firstAvailableBefore_;
+     /// first dynamic
+     int firstDynamic_;
+     /// number of columns in dynamic model
+     int lastDynamic_;
+     /// number of rows in original model
+     int numberStaticRows_;
+     /// size of working matrix (max)
+     int numberElements_;
+     /// Number of dual infeasibilities
+     int numberDualInfeasibilities_;
+     /// Number of primal infeasibilities
+     int numberPrimalInfeasibilities_;
+     /** If pricing will declare victory (i.e. no check every factorization).
+         -1 - always check
+         0  - don't check
+         1  - in don't check mode but looks optimal
+     */
+     int noCheck_;
+     /// Infeasibility weight when last full pass done
+     double infeasibilityWeight_;
+     /// size
+     int numberGubColumns_;
+     /// current maximum number of columns (then compress)
+     int maximumGubColumns_;
+     /// current maximum number of elemnts (then compress)
+     int maximumElements_;
+     /// Start of each set
+     int * startSet_;
+     /// next in chain
+     int * next_;
+     /// Starts of each column
+     CoinBigIndex * startColumn_;
+     /// rows
+     int * row_;
+     /// elements
+     double * element_;
+     /// costs
+     double * cost_;
+     /// ids of active columns (just index here)
+     int * id_;
+     /// for status and which bound
+     unsigned char * dynamicStatus_;
+     /// Optional lower bounds on columns
+     double * columnLower_;
+     /// Optional upper bounds on columns
+     double * columnUpper_;
+     //@}
+};
+
+#endif