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
69
70
71
|
/* -*- 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 .
*/
#include <LinearRegressionCurveCalculator.hxx>
using namespace ::com::sun::star;
namespace chart
{
LinearRegressionCurveCalculator::LinearRegressionCurveCalculator() :
PolynomialRegressionCurveCalculator()
{}
LinearRegressionCurveCalculator::~LinearRegressionCurveCalculator()
{}
void LinearRegressionCurveCalculator::setRegressionProperties(
sal_Int32 /*aDegree*/,
sal_Bool aForceIntercept,
double aInterceptValue,
sal_Int32 aPeriod )
{
PolynomialRegressionCurveCalculator::setRegressionProperties(
1,
aForceIntercept,
aInterceptValue,
aPeriod);
}
uno::Sequence< geometry::RealPoint2D > SAL_CALL LinearRegressionCurveCalculator::getCurveValues(
double min, double max, ::sal_Int32 nPointCount,
const uno::Reference< chart2::XScaling >& xScalingX,
const uno::Reference< chart2::XScaling >& xScalingY,
sal_Bool bMaySkipPointsInCalculation )
{
if( bMaySkipPointsInCalculation &&
isLinearScaling( xScalingX ) &&
isLinearScaling( xScalingY ))
{
// optimize result
uno::Sequence< geometry::RealPoint2D > aResult( 2 );
aResult[0].X = min;
aResult[0].Y = getCurveValue( min );
aResult[1].X = max;
aResult[1].Y = getCurveValue( max );
return aResult;
}
return RegressionCurveCalculator::getCurveValues( min, max, nPointCount, xScalingX, xScalingY, bMaySkipPointsInCalculation );
}
} // namespace chart
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|
