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 #include "Utility.h"
32
33 #define base CParameterAdaptation
34
35 using std::string;
36
CLinearParameterAdaptation()37 CLinearParameterAdaptation::CLinearParameterAdaptation() : base("Linear"), _dSlopeNumerator(1), _dSlopeDenominator(1)
38 {
39 }
40
CLinearParameterAdaptation(const string & strType)41 CLinearParameterAdaptation::CLinearParameterAdaptation(const string& strType) :
42 base(strType), _dSlopeNumerator(1), _dSlopeDenominator(1)
43 {
44 }
45
46 // Element properties
showProperties(string & strResult) const47 void CLinearParameterAdaptation::showProperties(string& strResult) const
48 {
49 base::showProperties(strResult);
50
51 // SlopeNumerator
52 strResult += " - SlopeNumerator: ";
53 strResult += CUtility::toString(_dSlopeNumerator);
54 strResult += "\n";
55
56 // SlopeDenominator
57 strResult += " - SlopeDenominator: ";
58 strResult += CUtility::toString(_dSlopeDenominator);
59 strResult += "\n";
60 }
61
62 // From IXmlSink
fromXml(const CXmlElement & xmlElement,CXmlSerializingContext & serializingContext)63 bool CLinearParameterAdaptation::fromXml(const CXmlElement& xmlElement, CXmlSerializingContext& serializingContext)
64 {
65 // Get SlopeNumerator
66 if (xmlElement.hasAttribute("SlopeNumerator")) {
67
68 _dSlopeNumerator = xmlElement.getAttributeDouble("SlopeNumerator");
69
70 } else {
71 // Default
72 _dSlopeNumerator = 1;
73 }
74 // Get SlopeDenominator
75 if (xmlElement.hasAttribute("SlopeDenominator")) {
76
77 _dSlopeDenominator = xmlElement.getAttributeDouble("SlopeDenominator");
78
79 // Avoid by 0 division errors
80 if (_dSlopeDenominator == 0) {
81
82 serializingContext.setError("SlopeDenominator attribute can't be 0 on element" + xmlElement.getPath());
83
84 return false;
85 }
86
87 } else {
88 // Default
89 _dSlopeDenominator = 1;
90 }
91
92 // Base
93 return base::fromXml(xmlElement, serializingContext);
94 }
95
96 // Conversions
fromUserValue(double dValue) const97 int64_t CLinearParameterAdaptation::fromUserValue(double dValue) const
98 {
99 return base::fromUserValue(dValue * _dSlopeNumerator / _dSlopeDenominator);
100 }
101
toUserValue(int64_t iValue) const102 double CLinearParameterAdaptation::toUserValue(int64_t iValue) const
103 {
104 return base::toUserValue(iValue) * _dSlopeDenominator / _dSlopeNumerator;
105 }
106