1*cdf0e10cSrcweir /************************************************************************* 2*cdf0e10cSrcweir * 3*cdf0e10cSrcweir * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4*cdf0e10cSrcweir * 5*cdf0e10cSrcweir * Copyright 2000, 2010 Oracle and/or its affiliates. 6*cdf0e10cSrcweir * 7*cdf0e10cSrcweir * OpenOffice.org - a multi-platform office productivity suite 8*cdf0e10cSrcweir * 9*cdf0e10cSrcweir * This file is part of OpenOffice.org. 10*cdf0e10cSrcweir * 11*cdf0e10cSrcweir * OpenOffice.org is free software: you can redistribute it and/or modify 12*cdf0e10cSrcweir * it under the terms of the GNU Lesser General Public License version 3 13*cdf0e10cSrcweir * only, as published by the Free Software Foundation. 14*cdf0e10cSrcweir * 15*cdf0e10cSrcweir * OpenOffice.org is distributed in the hope that it will be useful, 16*cdf0e10cSrcweir * but WITHOUT ANY WARRANTY; without even the implied warranty of 17*cdf0e10cSrcweir * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18*cdf0e10cSrcweir * GNU Lesser General Public License version 3 for more details 19*cdf0e10cSrcweir * (a copy is included in the LICENSE file that accompanied this code). 20*cdf0e10cSrcweir * 21*cdf0e10cSrcweir * You should have received a copy of the GNU Lesser General Public License 22*cdf0e10cSrcweir * version 3 along with OpenOffice.org. If not, see 23*cdf0e10cSrcweir * <http://www.openoffice.org/license.html> 24*cdf0e10cSrcweir * for a copy of the LGPLv3 License. 25*cdf0e10cSrcweir * 26*cdf0e10cSrcweir ************************************************************************/ 27*cdf0e10cSrcweir #ifndef CHART2_EXPONENTIALREGRESSIONCURVECALCULATOR_HXX 28*cdf0e10cSrcweir #define CHART2_EXPONENTIALREGRESSIONCURVECALCULATOR_HXX 29*cdf0e10cSrcweir 30*cdf0e10cSrcweir #include "RegressionCurveCalculator.hxx" 31*cdf0e10cSrcweir 32*cdf0e10cSrcweir namespace chart 33*cdf0e10cSrcweir { 34*cdf0e10cSrcweir 35*cdf0e10cSrcweir class ExponentialRegressionCurveCalculator : 36*cdf0e10cSrcweir public RegressionCurveCalculator 37*cdf0e10cSrcweir { 38*cdf0e10cSrcweir public: 39*cdf0e10cSrcweir ExponentialRegressionCurveCalculator(); 40*cdf0e10cSrcweir virtual ~ExponentialRegressionCurveCalculator(); 41*cdf0e10cSrcweir 42*cdf0e10cSrcweir protected: 43*cdf0e10cSrcweir virtual ::rtl::OUString ImplGetRepresentation( 44*cdf0e10cSrcweir const ::com::sun::star::uno::Reference< ::com::sun::star::util::XNumberFormatter >& xNumFormatter, 45*cdf0e10cSrcweir ::sal_Int32 nNumberFormatKey ) const; 46*cdf0e10cSrcweir 47*cdf0e10cSrcweir private: 48*cdf0e10cSrcweir // ____ XRegressionCurveCalculator ____ 49*cdf0e10cSrcweir virtual void SAL_CALL recalculateRegression( 50*cdf0e10cSrcweir const ::com::sun::star::uno::Sequence< double >& aXValues, 51*cdf0e10cSrcweir const ::com::sun::star::uno::Sequence< double >& aYValues ) 52*cdf0e10cSrcweir throw (::com::sun::star::uno::RuntimeException); 53*cdf0e10cSrcweir virtual double SAL_CALL getCurveValue( double x ) 54*cdf0e10cSrcweir throw (::com::sun::star::lang::IllegalArgumentException, 55*cdf0e10cSrcweir ::com::sun::star::uno::RuntimeException); 56*cdf0e10cSrcweir virtual ::com::sun::star::uno::Sequence< ::com::sun::star::geometry::RealPoint2D > SAL_CALL getCurveValues( 57*cdf0e10cSrcweir double min, 58*cdf0e10cSrcweir double max, 59*cdf0e10cSrcweir ::sal_Int32 nPointCount, 60*cdf0e10cSrcweir const ::com::sun::star::uno::Reference< ::com::sun::star::chart2::XScaling >& xScalingX, 61*cdf0e10cSrcweir const ::com::sun::star::uno::Reference< ::com::sun::star::chart2::XScaling >& xScalingY, 62*cdf0e10cSrcweir ::sal_Bool bMaySkipPointsInCalculation ) 63*cdf0e10cSrcweir throw (::com::sun::star::lang::IllegalArgumentException, 64*cdf0e10cSrcweir ::com::sun::star::uno::RuntimeException); 65*cdf0e10cSrcweir 66*cdf0e10cSrcweir // formula is: f(x) = exp(m_fLogIntercept) * exp( m_fLogSlope * x ) 67*cdf0e10cSrcweir // mathematical model f(x) = Intercept * Slope^x 68*cdf0e10cSrcweir double m_fLogSlope; 69*cdf0e10cSrcweir double m_fLogIntercept; 70*cdf0e10cSrcweir }; 71*cdf0e10cSrcweir 72*cdf0e10cSrcweir } // namespace chart 73*cdf0e10cSrcweir 74*cdf0e10cSrcweir // CHART2_EXPONENTIALREGRESSIONCURVECALCULATOR_HXX 75*cdf0e10cSrcweir #endif 76