chart2/source/inc/ExponentialRegressionCurveCalculator.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 #ifndef CHART2_EXPONENTIALREGRESSIONCURVECALCULATOR_HXX
  20 #define CHART2_EXPONENTIALREGRESSIONCURVECALCULATOR_HXX
  21
  22 #include "RegressionCurveCalculator.hxx"
  23
  24 namespace chart
  25 {
  26
  27 class ExponentialRegressionCurveCalculator :
  28         public RegressionCurveCalculator
  29 {
  30 public:
  31     ExponentialRegressionCurveCalculator();
  32     virtual ~ExponentialRegressionCurveCalculator();
  33
  34 protected:
  35     virtual OUString ImplGetRepresentation(
  36         const ::com::sun::star::uno::Reference< ::com::sun::star::util::XNumberFormatter >& xNumFormatter,
  37         ::sal_Int32 nNumberFormatKey ) const;
  38
  39 private:
  40     // ____ XRegressionCurveCalculator ____
  41     virtual void SAL_CALL recalculateRegression(
  42         const ::com::sun::star::uno::Sequence< double >& aXValues,
  43         const ::com::sun::star::uno::Sequence< double >& aYValues )
  44         throw (::com::sun::star::uno::RuntimeException);
  45     virtual double SAL_CALL getCurveValue( double x )
  46         throw (::com::sun::star::lang::IllegalArgumentException,
  47                ::com::sun::star::uno::RuntimeException);
  48     virtual ::com::sun::star::uno::Sequence< ::com::sun::star::geometry::RealPoint2D > SAL_CALL getCurveValues(
  49         double min,
  50         double max,
  51         ::sal_Int32 nPointCount,
  52         const ::com::sun::star::uno::Reference< ::com::sun::star::chart2::XScaling >& xScalingX,
  53         const ::com::sun::star::uno::Reference< ::com::sun::star::chart2::XScaling >& xScalingY,
  54         ::sal_Bool bMaySkipPointsInCalculation )
  55         throw (::com::sun::star::lang::IllegalArgumentException,
  56                ::com::sun::star::uno::RuntimeException);
  57
  58     // formula is: f(x) = exp(m_fLogIntercept) * exp( m_fLogSlope * x )
  59     // mathematical model f(x) = Intercept * Slope^x
  60     double m_fLogSlope;
  61     double m_fLogIntercept;
  62 };
  63
  64 } //  namespace chart
  65
  66 // CHART2_EXPONENTIALREGRESSIONCURVECALCULATOR_HXX
  67 #endif
  68
  69 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */