1*de7b3f82SAndrew Rist /************************************************************** 2cdf0e10cSrcweir * 3*de7b3f82SAndrew Rist * Licensed to the Apache Software Foundation (ASF) under one 4*de7b3f82SAndrew Rist * or more contributor license agreements. See the NOTICE file 5*de7b3f82SAndrew Rist * distributed with this work for additional information 6*de7b3f82SAndrew Rist * regarding copyright ownership. The ASF licenses this file 7*de7b3f82SAndrew Rist * to you under the Apache License, Version 2.0 (the 8*de7b3f82SAndrew Rist * "License"); you may not use this file except in compliance 9*de7b3f82SAndrew Rist * with the License. You may obtain a copy of the License at 10*de7b3f82SAndrew Rist * 11*de7b3f82SAndrew Rist * http://www.apache.org/licenses/LICENSE-2.0 12*de7b3f82SAndrew Rist * 13*de7b3f82SAndrew Rist * Unless required by applicable law or agreed to in writing, 14*de7b3f82SAndrew Rist * software distributed under the License is distributed on an 15*de7b3f82SAndrew Rist * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16*de7b3f82SAndrew Rist * KIND, either express or implied. See the License for the 17*de7b3f82SAndrew Rist * specific language governing permissions and limitations 18*de7b3f82SAndrew Rist * under the License. 19*de7b3f82SAndrew Rist * 20*de7b3f82SAndrew Rist *************************************************************/ 21*de7b3f82SAndrew Rist 22*de7b3f82SAndrew Rist 23cdf0e10cSrcweir #ifndef CHART2_EXPONENTIALREGRESSIONCURVECALCULATOR_HXX 24cdf0e10cSrcweir #define CHART2_EXPONENTIALREGRESSIONCURVECALCULATOR_HXX 25cdf0e10cSrcweir 26cdf0e10cSrcweir #include "RegressionCurveCalculator.hxx" 27cdf0e10cSrcweir 28cdf0e10cSrcweir namespace chart 29cdf0e10cSrcweir { 30cdf0e10cSrcweir 31cdf0e10cSrcweir class ExponentialRegressionCurveCalculator : 32cdf0e10cSrcweir public RegressionCurveCalculator 33cdf0e10cSrcweir { 34cdf0e10cSrcweir public: 35cdf0e10cSrcweir ExponentialRegressionCurveCalculator(); 36cdf0e10cSrcweir virtual ~ExponentialRegressionCurveCalculator(); 37cdf0e10cSrcweir 38cdf0e10cSrcweir protected: 39cdf0e10cSrcweir virtual ::rtl::OUString ImplGetRepresentation( 40cdf0e10cSrcweir const ::com::sun::star::uno::Reference< ::com::sun::star::util::XNumberFormatter >& xNumFormatter, 41cdf0e10cSrcweir ::sal_Int32 nNumberFormatKey ) const; 42cdf0e10cSrcweir 43cdf0e10cSrcweir private: 44cdf0e10cSrcweir // ____ XRegressionCurveCalculator ____ 45cdf0e10cSrcweir virtual void SAL_CALL recalculateRegression( 46cdf0e10cSrcweir const ::com::sun::star::uno::Sequence< double >& aXValues, 47cdf0e10cSrcweir const ::com::sun::star::uno::Sequence< double >& aYValues ) 48cdf0e10cSrcweir throw (::com::sun::star::uno::RuntimeException); 49cdf0e10cSrcweir virtual double SAL_CALL getCurveValue( double x ) 50cdf0e10cSrcweir throw (::com::sun::star::lang::IllegalArgumentException, 51cdf0e10cSrcweir ::com::sun::star::uno::RuntimeException); 52cdf0e10cSrcweir virtual ::com::sun::star::uno::Sequence< ::com::sun::star::geometry::RealPoint2D > SAL_CALL getCurveValues( 53cdf0e10cSrcweir double min, 54cdf0e10cSrcweir double max, 55cdf0e10cSrcweir ::sal_Int32 nPointCount, 56cdf0e10cSrcweir const ::com::sun::star::uno::Reference< ::com::sun::star::chart2::XScaling >& xScalingX, 57cdf0e10cSrcweir const ::com::sun::star::uno::Reference< ::com::sun::star::chart2::XScaling >& xScalingY, 58cdf0e10cSrcweir ::sal_Bool bMaySkipPointsInCalculation ) 59cdf0e10cSrcweir throw (::com::sun::star::lang::IllegalArgumentException, 60cdf0e10cSrcweir ::com::sun::star::uno::RuntimeException); 61cdf0e10cSrcweir 62cdf0e10cSrcweir // formula is: f(x) = exp(m_fLogIntercept) * exp( m_fLogSlope * x ) 63cdf0e10cSrcweir // mathematical model f(x) = Intercept * Slope^x 64cdf0e10cSrcweir double m_fLogSlope; 65cdf0e10cSrcweir double m_fLogIntercept; 66cdf0e10cSrcweir }; 67cdf0e10cSrcweir 68cdf0e10cSrcweir } // namespace chart 69cdf0e10cSrcweir 70cdf0e10cSrcweir // CHART2_EXPONENTIALREGRESSIONCURVECALCULATOR_HXX 71cdf0e10cSrcweir #endif 72