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#ifndef __com_sun_star_sheet_XSolver_idl__
#define __com_sun_star_sheet_XSolver_idl__

#ifndef __com_sun_star_sheet_XSpreadsheetDocument_idl__
#include <com/sun/star/sheet/XSpreadsheetDocument.idl>
#endif

#ifndef __com_sun_star_sheet_SolverConstraint_idl__
#include <com/sun/star/sheet/SolverConstraint.idl>
#endif

//=============================================================================

module com {  module sun {  module star {  module sheet {

//=============================================================================

/** allows to call a solver for a model that is defined by spreadsheet cells.
 */
interface XSolver: com::sun::star::uno::XInterface
{
    /// The spreadsheet document that contains the cells.
    [attribute] XSpreadsheetDocument Document;

    /// The address of the cell that contains the objective value.
    [attribute] com::sun::star::table::CellAddress Objective;

    /// The addresses of the cells that contain the variables.
    [attribute] sequence< com::sun::star::table::CellAddress > Variables;

    /// The constraints of the model.
    [attribute] sequence< SolverConstraint > Constraints;

    /// selects if the objective value is maximized or minimized.
    [attribute] boolean Maximize;

    /// executes the calculation and tries to find a solution.
    void solve();

    /// contains <TRUE/> if a solution was found.
    [attribute, readonly] boolean Success;

    /// contains the objective value for the solution, if a solution was found.
    [attribute, readonly] double ResultValue;

    /** contains the solution's value for each of the variables,
        if a solution was found.
     */
    [attribute, readonly] sequence< double > Solution;
};

//=============================================================================

}; }; }; };

#endif

