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/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2008 by Sun Microsystems, Inc.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: LogarithmicRegressionCurveCalculator.hxx,v $
* $Revision: 1.5 $
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
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************************************************************************/
#ifndef CHART2_LOGARITHMICREGRESSIONCURVECALCULATOR_HXX
#define CHART2_LOGARITHMICREGRESSIONCURVECALCULATOR_HXX
#include "RegressionCurveCalculator.hxx"
namespace chart
{
class LogarithmicRegressionCurveCalculator :
public RegressionCurveCalculator
{
public:
LogarithmicRegressionCurveCalculator();
virtual ~LogarithmicRegressionCurveCalculator();
protected:
virtual ::rtl::OUString ImplGetRepresentation(
const ::com::sun::star::uno::Reference< ::com::sun::star::util::XNumberFormatter >& xNumFormatter,
::sal_Int32 nNumberFormatKey ) const;
private:
// ____ XRegressionCurveCalculator ____
virtual void SAL_CALL recalculateRegression(
const ::com::sun::star::uno::Sequence< double >& aXValues,
const ::com::sun::star::uno::Sequence< double >& aYValues )
throw (::com::sun::star::uno::RuntimeException);
virtual double SAL_CALL getCurveValue( double x )
throw (::com::sun::star::lang::IllegalArgumentException,
::com::sun::star::uno::RuntimeException);
virtual ::com::sun::star::uno::Sequence< ::com::sun::star::geometry::RealPoint2D > SAL_CALL getCurveValues(
double min,
double max,
::sal_Int32 nPointCount,
const ::com::sun::star::uno::Reference< ::com::sun::star::chart2::XScaling >& xScalingX,
const ::com::sun::star::uno::Reference< ::com::sun::star::chart2::XScaling >& xScalingY,
::sal_Bool bMaySkipPointsInCalculation )
throw (::com::sun::star::lang::IllegalArgumentException,
::com::sun::star::uno::RuntimeException);
// formula is: f(x) = m_fSlope * log( x ) + m_fIntercept
double m_fSlope;
double m_fIntercept;
};
} // namespace chart
// CHART2_LOGARITHMICREGRESSIONCURVECALCULATOR_HXX
#endif
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