summaryrefslogtreecommitdiff
path: root/chart2/source/inc/LinearRegressionCurveCalculator.hxx
blob: c2cc8807671b224f6647dcc7368ebf1762f94212 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
 * This file is part of the LibreOffice project.
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * This file incorporates work covered by the following license notice:
 *
 *   Licensed to the Apache Software Foundation (ASF) under one or more
 *   contributor license agreements. See the NOTICE file distributed
 *   with this work for additional information regarding copyright
 *   ownership. The ASF licenses this file to you under the Apache
 *   License, Version 2.0 (the "License"); you may not use this file
 *   except in compliance with the License. You may obtain a copy of
 *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
 */
#ifndef CHART2_LINEARREGRESSIONCURVECALCULATOR_HXX
#define CHART2_LINEARREGRESSIONCURVECALCULATOR_HXX

#include "RegressionCurveCalculator.hxx"

namespace chart
{

class LinearRegressionCurveCalculator :
        public RegressionCurveCalculator
{
public:
    LinearRegressionCurveCalculator();
    virtual ~LinearRegressionCurveCalculator();

protected:
    virtual OUString ImplGetRepresentation(
        const ::com::sun::star::uno::Reference< ::com::sun::star::util::XNumberFormatter >& xNumFormatter,
        ::sal_Int32 nNumberFormatKey ) const;

private:
    // ____ XRegressionCurveCalculator ____
    virtual void SAL_CALL recalculateRegression(
        const ::com::sun::star::uno::Sequence< double >& aXValues,
        const ::com::sun::star::uno::Sequence< double >& aYValues )
        throw (::com::sun::star::uno::RuntimeException);
    virtual double SAL_CALL getCurveValue( double x )
        throw (::com::sun::star::lang::IllegalArgumentException,
               ::com::sun::star::uno::RuntimeException);
    virtual ::com::sun::star::uno::Sequence< ::com::sun::star::geometry::RealPoint2D > SAL_CALL getCurveValues(
        double min,
        double max,
        ::sal_Int32 nPointCount,
        const ::com::sun::star::uno::Reference< ::com::sun::star::chart2::XScaling >& xScalingX,
        const ::com::sun::star::uno::Reference< ::com::sun::star::chart2::XScaling >& xScalingY,
        ::sal_Bool bMaySkipPointsInCalculation )
        throw (::com::sun::star::lang::IllegalArgumentException,
               ::com::sun::star::uno::RuntimeException);

    // formula is: f(x) = m_fSlope * x + m_fIntercept
    double m_fSlope;
    double m_fIntercept;
};

} //  namespace chart

// CHART2_LINEARREGRESSIONCURVECALCULATOR_HXX
#endif

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */