LibreOffice Module chart2 (master) 1
LogarithmicRegressionCurveCalculator.hxx
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1/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2/*
3 * This file is part of the LibreOffice project.
4 *
5 * This Source Code Form is subject to the terms of the Mozilla Public
6 * License, v. 2.0. If a copy of the MPL was not distributed with this
7 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8 *
9 * This file incorporates work covered by the following license notice:
10 *
11 * Licensed to the Apache Software Foundation (ASF) under one or more
12 * contributor license agreements. See the NOTICE file distributed
13 * with this work for additional information regarding copyright
14 * ownership. The ASF licenses this file to you under the Apache
15 * License, Version 2.0 (the "License"); you may not use this file
16 * except in compliance with the License. You may obtain a copy of
17 * the License at http://www.apache.org/licenses/LICENSE-2.0 .
18 */
19#pragma once
20
22
23namespace chart
24{
25
27{
28public:
31
32protected:
33 virtual OUString ImplGetRepresentation(
34 const css::uno::Reference<css::util::XNumberFormatter>& xNumFormatter,
35 sal_Int32 nNumberFormatKey, sal_Int32* pFormulaLength = nullptr ) const override;
36
37private:
38 // ____ XRegressionCurveCalculator ____
39 virtual void SAL_CALL recalculateRegression(
40 const css::uno::Sequence<double>& aXValues,
41 const css::uno::Sequence<double>& aYValues ) override;
42
43 virtual double SAL_CALL getCurveValue( double x ) override;
44
45 virtual css::uno::Sequence<css::geometry::RealPoint2D> SAL_CALL getCurveValues(
46 double min,
47 double max,
48 sal_Int32 nPointCount,
49 const css::uno::Reference<css::chart2::XScaling>& xScalingX,
50 const css::uno::Reference<css::chart2::XScaling>& xScalingY,
51 sal_Bool bMaySkipPointsInCalculation ) override;
52
53 // formula is: f(x) = m_fSlope * log( x ) + m_fIntercept
54 double m_fSlope;
56};
57
58} // namespace chart
59
60/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
virtual void SAL_CALL recalculateRegression(const css::uno::Sequence< double > &aXValues, const css::uno::Sequence< double > &aYValues) override
virtual double SAL_CALL getCurveValue(double x) override
virtual css::uno::Sequence< css::geometry::RealPoint2D > SAL_CALL getCurveValues(double min, double max, sal_Int32 nPointCount, const css::uno::Reference< css::chart2::XScaling > &xScalingX, const css::uno::Reference< css::chart2::XScaling > &xScalingY, sal_Bool bMaySkipPointsInCalculation) override
virtual OUString ImplGetRepresentation(const css::uno::Reference< css::util::XNumberFormatter > &xNumFormatter, sal_Int32 nNumberFormatKey, sal_Int32 *pFormulaLength=nullptr) const override
float x
#define max(a, b)
SwNodeOffset min(const SwNodeOffset &a, const SwNodeOffset &b)
unsigned char sal_Bool