78 lines
3.1 KiB
C++
78 lines
3.1 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*************************************************************************
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*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* Copyright 2000, 2010 Oracle and/or its affiliates.
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* This file is part of OpenOffice.org.
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*
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* OpenOffice.org is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License version 3
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* only, as published by the Free Software Foundation.
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*
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* OpenOffice.org is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License version 3 for more details
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* (a copy is included in the LICENSE file that accompanied this code).
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*
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* You should have received a copy of the GNU Lesser General Public License
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* version 3 along with OpenOffice.org. If not, see
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* <http://www.openoffice.org/license.html>
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* for a copy of the LGPLv3 License.
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*
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************************************************************************/
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#ifndef CHART2_EXPONENTIALREGRESSIONCURVECALCULATOR_HXX
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#define CHART2_EXPONENTIALREGRESSIONCURVECALCULATOR_HXX
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#include "RegressionCurveCalculator.hxx"
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namespace chart
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{
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class ExponentialRegressionCurveCalculator :
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public RegressionCurveCalculator
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{
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public:
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ExponentialRegressionCurveCalculator();
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virtual ~ExponentialRegressionCurveCalculator();
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protected:
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virtual ::rtl::OUString ImplGetRepresentation(
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const ::com::sun::star::uno::Reference< ::com::sun::star::util::XNumberFormatter >& xNumFormatter,
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::sal_Int32 nNumberFormatKey ) const;
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private:
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// ____ XRegressionCurveCalculator ____
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virtual void SAL_CALL recalculateRegression(
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const ::com::sun::star::uno::Sequence< double >& aXValues,
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const ::com::sun::star::uno::Sequence< double >& aYValues )
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throw (::com::sun::star::uno::RuntimeException);
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virtual double SAL_CALL getCurveValue( double x )
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throw (::com::sun::star::lang::IllegalArgumentException,
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::com::sun::star::uno::RuntimeException);
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virtual ::com::sun::star::uno::Sequence< ::com::sun::star::geometry::RealPoint2D > SAL_CALL getCurveValues(
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double min,
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double max,
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::sal_Int32 nPointCount,
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const ::com::sun::star::uno::Reference< ::com::sun::star::chart2::XScaling >& xScalingX,
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const ::com::sun::star::uno::Reference< ::com::sun::star::chart2::XScaling >& xScalingY,
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::sal_Bool bMaySkipPointsInCalculation )
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throw (::com::sun::star::lang::IllegalArgumentException,
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::com::sun::star::uno::RuntimeException);
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// formula is: f(x) = exp(m_fLogIntercept) * exp( m_fLogSlope * x )
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// mathematical model f(x) = Intercept * Slope^x
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double m_fLogSlope;
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double m_fLogIntercept;
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};
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} // namespace chart
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// CHART2_EXPONENTIALREGRESSIONCURVECALCULATOR_HXX
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#endif
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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