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authorHarpreet2016-09-03 00:36:51 +0530
committerHarpreet2016-09-03 00:36:51 +0530
commita0d9443af147e949c1e6a01ac24749d12593ec5b (patch)
tree1a1955c5482ae608fd7f618b06f4ecc6a0d39a23 /newstructure/thirdparty/linux/include/coin/CoinBuild.hpp
parent4b64cf486f5c999fd8167758cae27839f3b50848 (diff)
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diff --git a/newstructure/thirdparty/linux/include/coin/CoinBuild.hpp b/newstructure/thirdparty/linux/include/coin/CoinBuild.hpp
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-/* $Id: CoinBuild.hpp 1416 2011-04-17 09:57:29Z stefan $ */
-// Copyright (C) 2005, International Business Machines
-// Corporation and others. All Rights Reserved.
-// This code is licensed under the terms of the Eclipse Public License (EPL).
-
-#ifndef CoinBuild_H
-#define CoinBuild_H
-
-
-#include "CoinPragma.hpp"
-#include "CoinTypes.hpp"
-#include "CoinFinite.hpp"
-
-
-/**
- In many cases it is natural to build a model by adding one row at a time. In Coin this
- is inefficient so this class gives some help. An instance of CoinBuild can be built up
- more efficiently and then added to the Clp/OsiModel in one go.
-
- It may be more efficient to have fewer arrays and re-allocate them but this should
- give a large gain over addRow.
-
- I have now extended it to columns.
-
-*/
-
-class CoinBuild {
-
-public:
- /**@name Useful methods */
- //@{
- /// add a row
- void addRow(int numberInRow, const int * columns,
- const double * elements, double rowLower=-COIN_DBL_MAX,
- double rowUpper=COIN_DBL_MAX);
- /// add a column
- void addColumn(int numberInColumn, const int * rows,
- const double * elements,
- double columnLower=0.0,
- double columnUpper=COIN_DBL_MAX, double objectiveValue=0.0);
- /// add a column
- inline void addCol(int numberInColumn, const int * rows,
- const double * elements,
- double columnLower=0.0,
- double columnUpper=COIN_DBL_MAX, double objectiveValue=0.0)
- { addColumn(numberInColumn, rows, elements, columnLower, columnUpper, objectiveValue);}
- /// Return number of rows or maximum found so far
- inline int numberRows() const
- { return (type_==0) ? numberItems_ : numberOther_;}
- /// Return number of columns or maximum found so far
- inline int numberColumns() const
- { return (type_==1) ? numberItems_ : numberOther_;}
- /// Return number of elements
- inline CoinBigIndex numberElements() const
- { return numberElements_;}
- /** Returns number of elements in a row and information in row
- */
- int row(int whichRow, double & rowLower, double & rowUpper,
- const int * & indices, const double * & elements) const;
- /** Returns number of elements in current row and information in row
- Used as rows may be stored in a chain
- */
- int currentRow(double & rowLower, double & rowUpper,
- const int * & indices, const double * & elements) const;
- /// Set current row
- void setCurrentRow(int whichRow);
- /// Returns current row number
- int currentRow() const;
- /** Returns number of elements in a column and information in column
- */
- int column(int whichColumn,
- double & columnLower, double & columnUpper,double & objectiveValue,
- const int * & indices, const double * & elements) const;
- /** Returns number of elements in current column and information in column
- Used as columns may be stored in a chain
- */
- int currentColumn( double & columnLower, double & columnUpper,double & objectiveValue,
- const int * & indices, const double * & elements) const;
- /// Set current column
- void setCurrentColumn(int whichColumn);
- /// Returns current column number
- int currentColumn() const;
- /// Returns type
- inline int type() const
- { return type_;}
- //@}
-
-
- /**@name Constructors, destructor */
- //@{
- /** Default constructor. */
- CoinBuild();
- /** Constructor with type 0==for addRow, 1== for addColumn. */
- CoinBuild(int type);
- /** Destructor */
- ~CoinBuild();
- //@}
-
- /**@name Copy method */
- //@{
- /** The copy constructor. */
- CoinBuild(const CoinBuild&);
- /// =
- CoinBuild& operator=(const CoinBuild&);
- //@}
-private:
- /// Set current
- void setMutableCurrent(int which) const;
- /// add a item
- void addItem(int numberInItem, const int * indices,
- const double * elements,
- double itemLower,
- double itemUpper, double objectiveValue);
- /** Returns number of elements in a item and information in item
- */
- int item(int whichItem,
- double & itemLower, double & itemUpper,double & objectiveValue,
- const int * & indices, const double * & elements) const;
- /** Returns number of elements in current item and information in item
- Used as items may be stored in a chain
- */
- int currentItem( double & itemLower, double & itemUpper,double & objectiveValue,
- const int * & indices, const double * & elements) const;
- /// Set current item
- void setCurrentItem(int whichItem);
- /// Returns current item number
- int currentItem() const;
-
-private:
- /**@name Data members */
- //@{
- /// Current number of items
- int numberItems_;
- /// Current number of other dimension i.e. Columns if addRow (i.e. max)
- int numberOther_;
- /// Current number of elements
- CoinBigIndex numberElements_;
- /// Current item pointer
- mutable double * currentItem_;
- /// First item pointer
- double * firstItem_;
- /// Last item pointer
- double * lastItem_;
- /// Type of build - 0 for row, 1 for column, -1 unset
- int type_;
- //@}
-};
-
-#endif