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+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#ifndef __com_sun_star_sheet_XSolver_idl__
+#define __com_sun_star_sheet_XSolver_idl__
+
+#include <com/sun/star/sheet/XSpreadsheetDocument.idl>
+#include <com/sun/star/sheet/SolverConstraint.idl>
+
+
+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
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */