chart2/source/inc/MovingAverageRegressionCurveCalculator.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19 #pragma once
  20
  21 #include "RegressionCurveCalculator.hxx"
  22 #include "RegressionCalculationHelper.hxx"
  23 #include <vector>
  24
  25 namespace chart
  26 {
  27
  28 class MovingAverageRegressionCurveCalculator final : public RegressionCurveCalculator
  29 {
  30 public:
  31     MovingAverageRegressionCurveCalculator();
  32     virtual ~MovingAverageRegressionCurveCalculator() override;
  33
  34 protected:
  35     virtual OUString ImplGetRepresentation(
  36         const css::uno::Reference<css::util::XNumberFormatter>& xNumFormatter,
  37         sal_Int32 nNumberFormatKey, sal_Int32* pFormulaLength = nullptr ) const override;
  38
  39 private:
  40     // ____ XRegressionCurveCalculator ____
  41     virtual void SAL_CALL recalculateRegression(
  42         const css::uno::Sequence<double>& aXValues,
  43         const css::uno::Sequence<double>& aYValues ) override;
  44
  45     virtual double SAL_CALL getCurveValue( double x ) override;
  46
  47     virtual css::uno::Sequence<css::geometry::RealPoint2D> SAL_CALL getCurveValues(
  48         double min,
  49         double max,
  50         sal_Int32 nPointCount,
  51         const css::uno::Reference<css::chart2::XScaling>& xScalingX,
  52         const css::uno::Reference<css::chart2::XScaling>& xScalingY,
  53         sal_Bool bMaySkipPointsInCalculation ) override;
  54
  55     void calculateValues(RegressionCalculationHelper::tDoubleVectorPair aValues, bool bUseXAvg);
  56     void calculateValuesCentral(RegressionCalculationHelper::tDoubleVectorPair aValues);
  57     std::vector<double> aYList;
  58     std::vector<double> aXList;
  59 };
  60
  61 } //  namespace chart
  62
  63 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */