Engauge Digitizer
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util
LinearToLog.cpp
Go to the documentation of this file.
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/******************************************************************************************************
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* (C) 2016 markummitchell@github.com. This file is part of Engauge Digitizer, which is released *
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* under GNU General Public License version 2 (GPLv2) or (at your option) any later version. See file *
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* LICENSE or go to gnu.org/licenses for details. Distribution requires prior written permission. *
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******************************************************************************************************/
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#include "
LinearToLog.h
"
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#include <qmath.h>
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LinearToLog::LinearToLog
()
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{
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}
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double
LinearToLog::delinearize
(
double
valueLinear,
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bool
isLog)
const
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{
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double
valueLinearOrLog = valueLinear;
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if
(isLog) {
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valueLinearOrLog = qExp (valueLinear);
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}
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return
valueLinearOrLog;
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}
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double
LinearToLog::linearize
(
double
valueLogOrLinear,
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bool
isLog)
const
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{
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double
valueLinear = valueLogOrLinear;
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if
(isLog) {
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valueLinear = qLn (valueLogOrLinear);
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}
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return
valueLinear;
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}
LinearToLog.h
LinearToLog::delinearize
double delinearize(double value, bool isLog) const
Convert linear coordinates to log. This is a noop if the output is supposed to be linear.
Definition
LinearToLog.cpp:14
LinearToLog::LinearToLog
LinearToLog()
Definition
LinearToLog.cpp:10
LinearToLog::linearize
double linearize(double value, bool isLog) const
Convert log coordinates to linear. This is a noop if the input is already linear.
Definition
LinearToLog.cpp:25
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