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27 #ifndef CHART2_POTENTIALREGRESSIONCURVECALCULATOR_HXX
28 #define CHART2_POTENTIALREGRESSIONCURVECALCULATOR_HXX
29 
30 #include "RegressionCurveCalculator.hxx"
31 #include "charttoolsdllapi.hxx"
32 
33 namespace chart
34 {
35 
36 
37 class PotentialRegressionCurveCalculator :
38         public RegressionCurveCalculator
39 {
40 public:
41 	PotentialRegressionCurveCalculator();
42 	virtual ~PotentialRegressionCurveCalculator();
43 
44 protected:
45     virtual ::rtl::OUString ImplGetRepresentation(
46         const ::com::sun::star::uno::Reference< ::com::sun::star::util::XNumberFormatter >& xNumFormatter,
47         ::sal_Int32 nNumberFormatKey ) const;
48 
49 private:
50     // ____ XRegressionCurveCalculator ____
51     virtual void SAL_CALL recalculateRegression(
52         const ::com::sun::star::uno::Sequence< double >& aXValues,
53         const ::com::sun::star::uno::Sequence< double >& aYValues )
54         throw (::com::sun::star::uno::RuntimeException);
55     virtual double SAL_CALL getCurveValue( double x )
56         throw (::com::sun::star::lang::IllegalArgumentException,
57                ::com::sun::star::uno::RuntimeException);
58     virtual ::com::sun::star::uno::Sequence< ::com::sun::star::geometry::RealPoint2D > SAL_CALL getCurveValues(
59         double min,
60         double max,
61         ::sal_Int32 nPointCount,
62         const ::com::sun::star::uno::Reference< ::com::sun::star::chart2::XScaling >& xScalingX,
63         const ::com::sun::star::uno::Reference< ::com::sun::star::chart2::XScaling >& xScalingY,
64         ::sal_Bool bMaySkipPointsInCalculation )
65         throw (::com::sun::star::lang::IllegalArgumentException,
66                ::com::sun::star::uno::RuntimeException);
67 
68     // formula is: f(x) = x ^ m_fSlope * m_fIntercept
69     double m_fSlope;
70     double m_fIntercept;
71 };
72 
73 } //  namespace chart
74 
75 // CHART2_POTENTIALREGRESSIONCURVECALCULATOR_HXX
76 #endif
77