1*b1cdbd2cSJim Jagielski /**************************************************************
2*b1cdbd2cSJim Jagielski  *
3*b1cdbd2cSJim Jagielski  * Licensed to the Apache Software Foundation (ASF) under one
4*b1cdbd2cSJim Jagielski  * or more contributor license agreements.  See the NOTICE file
5*b1cdbd2cSJim Jagielski  * distributed with this work for additional information
6*b1cdbd2cSJim Jagielski  * regarding copyright ownership.  The ASF licenses this file
7*b1cdbd2cSJim Jagielski  * to you under the Apache License, Version 2.0 (the
8*b1cdbd2cSJim Jagielski  * "License"); you may not use this file except in compliance
9*b1cdbd2cSJim Jagielski  * with the License.  You may obtain a copy of the License at
10*b1cdbd2cSJim Jagielski  *
11*b1cdbd2cSJim Jagielski  *   http://www.apache.org/licenses/LICENSE-2.0
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13*b1cdbd2cSJim Jagielski  * Unless required by applicable law or agreed to in writing,
14*b1cdbd2cSJim Jagielski  * software distributed under the License is distributed on an
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18*b1cdbd2cSJim Jagielski  * under the License.
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20*b1cdbd2cSJim Jagielski  *************************************************************/
21*b1cdbd2cSJim Jagielski 
22*b1cdbd2cSJim Jagielski 
23*b1cdbd2cSJim Jagielski #ifndef CHART2_EXPONENTIALREGRESSIONCURVECALCULATOR_HXX
24*b1cdbd2cSJim Jagielski #define CHART2_EXPONENTIALREGRESSIONCURVECALCULATOR_HXX
25*b1cdbd2cSJim Jagielski 
26*b1cdbd2cSJim Jagielski #include "RegressionCurveCalculator.hxx"
27*b1cdbd2cSJim Jagielski 
28*b1cdbd2cSJim Jagielski namespace chart
29*b1cdbd2cSJim Jagielski {
30*b1cdbd2cSJim Jagielski 
31*b1cdbd2cSJim Jagielski class ExponentialRegressionCurveCalculator :
32*b1cdbd2cSJim Jagielski         public RegressionCurveCalculator
33*b1cdbd2cSJim Jagielski {
34*b1cdbd2cSJim Jagielski public:
35*b1cdbd2cSJim Jagielski 	ExponentialRegressionCurveCalculator();
36*b1cdbd2cSJim Jagielski 	virtual ~ExponentialRegressionCurveCalculator();
37*b1cdbd2cSJim Jagielski 
38*b1cdbd2cSJim Jagielski protected:
39*b1cdbd2cSJim Jagielski     virtual ::rtl::OUString ImplGetRepresentation(
40*b1cdbd2cSJim Jagielski         const ::com::sun::star::uno::Reference< ::com::sun::star::util::XNumberFormatter >& xNumFormatter,
41*b1cdbd2cSJim Jagielski         ::sal_Int32 nNumberFormatKey ) const;
42*b1cdbd2cSJim Jagielski 
43*b1cdbd2cSJim Jagielski private:
44*b1cdbd2cSJim Jagielski     // ____ XRegressionCurveCalculator ____
45*b1cdbd2cSJim Jagielski     virtual void SAL_CALL recalculateRegression(
46*b1cdbd2cSJim Jagielski         const ::com::sun::star::uno::Sequence< double >& aXValues,
47*b1cdbd2cSJim Jagielski         const ::com::sun::star::uno::Sequence< double >& aYValues )
48*b1cdbd2cSJim Jagielski         throw (::com::sun::star::uno::RuntimeException);
49*b1cdbd2cSJim Jagielski     virtual double SAL_CALL getCurveValue( double x )
50*b1cdbd2cSJim Jagielski         throw (::com::sun::star::lang::IllegalArgumentException,
51*b1cdbd2cSJim Jagielski                ::com::sun::star::uno::RuntimeException);
52*b1cdbd2cSJim Jagielski     virtual ::com::sun::star::uno::Sequence< ::com::sun::star::geometry::RealPoint2D > SAL_CALL getCurveValues(
53*b1cdbd2cSJim Jagielski         double min,
54*b1cdbd2cSJim Jagielski         double max,
55*b1cdbd2cSJim Jagielski         ::sal_Int32 nPointCount,
56*b1cdbd2cSJim Jagielski         const ::com::sun::star::uno::Reference< ::com::sun::star::chart2::XScaling >& xScalingX,
57*b1cdbd2cSJim Jagielski         const ::com::sun::star::uno::Reference< ::com::sun::star::chart2::XScaling >& xScalingY,
58*b1cdbd2cSJim Jagielski         ::sal_Bool bMaySkipPointsInCalculation )
59*b1cdbd2cSJim Jagielski         throw (::com::sun::star::lang::IllegalArgumentException,
60*b1cdbd2cSJim Jagielski                ::com::sun::star::uno::RuntimeException);
61*b1cdbd2cSJim Jagielski 
62*b1cdbd2cSJim Jagielski     // formula is: f(x) = exp(m_fLogIntercept) * exp( m_fLogSlope * x )
63*b1cdbd2cSJim Jagielski     // mathematical model f(x) = Intercept * Slope^x
64*b1cdbd2cSJim Jagielski     double m_fLogSlope;
65*b1cdbd2cSJim Jagielski     double m_fLogIntercept;
66*b1cdbd2cSJim Jagielski };
67*b1cdbd2cSJim Jagielski 
68*b1cdbd2cSJim Jagielski } //  namespace chart
69*b1cdbd2cSJim Jagielski 
70*b1cdbd2cSJim Jagielski // CHART2_EXPONENTIALREGRESSIONCURVECALCULATOR_HXX
71*b1cdbd2cSJim Jagielski #endif
72