1/*
2 * Copyright (c) 2011-2015, Intel Corporation
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without modification,
6 * are permitted provided that the following conditions are met:
7 *
8 * 1. Redistributions of source code must retain the above copyright notice, this
9 * list of conditions and the following disclaimer.
10 *
11 * 2. Redistributions in binary form must reproduce the above copyright notice,
12 * this list of conditions and the following disclaimer in the documentation and/or
13 * other materials provided with the distribution.
14 *
15 * 3. Neither the name of the copyright holder nor the names of its contributors
16 * may be used to endorse or promote products derived from this software without
17 * specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
21 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
22 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
23 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
24 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
25 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
26 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
28 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30#include "LinearParameterAdaptation.h"
31
32#define base CParameterAdaptation
33
34using std::string;
35
36CLinearParameterAdaptation::CLinearParameterAdaptation() : base("Linear")
37{
38}
39
40CLinearParameterAdaptation::CLinearParameterAdaptation(const string &strType) : base(strType)
41{
42}
43
44// Element properties
45void CLinearParameterAdaptation::showProperties(string &strResult) const
46{
47    base::showProperties(strResult);
48
49    // SlopeNumerator
50    strResult += " - SlopeNumerator: ";
51    strResult += std::to_string(_dSlopeNumerator);
52    strResult += "\n";
53
54    // SlopeDenominator
55    strResult += " - SlopeDenominator: ";
56    strResult += std::to_string(_dSlopeDenominator);
57    strResult += "\n";
58}
59
60// From IXmlSink
61bool CLinearParameterAdaptation::fromXml(const CXmlElement &xmlElement,
62                                         CXmlSerializingContext &serializingContext)
63{
64    // Get SlopeNumerator
65    xmlElement.getAttribute("SlopeNumerator", _dSlopeNumerator);
66
67    // Get SlopeDenominator
68    if (xmlElement.getAttribute("SlopeDenominator", _dSlopeDenominator) &&
69        (_dSlopeDenominator == 0)) {
70
71        // Avoid by 0 division errors
72        serializingContext.setError("SlopeDenominator attribute can't be 0 on element" +
73                                    xmlElement.getPath());
74        return false;
75    }
76
77    // Base
78    return base::fromXml(xmlElement, serializingContext);
79}
80
81// Conversions
82int64_t CLinearParameterAdaptation::fromUserValue(double dValue) const
83{
84    return base::fromUserValue(dValue * _dSlopeNumerator / _dSlopeDenominator);
85}
86
87double CLinearParameterAdaptation::toUserValue(int64_t iValue) const
88{
89    return base::toUserValue(iValue) * _dSlopeDenominator / _dSlopeNumerator;
90}
91