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#ifndef SRMATH_H
#define SRMATH_H
#include <QObject>
class Srmath : public QObject
{
Q_OBJECT
public:
explicit Srmath(QObject *parent = 0);
double Abs(double in){if(in<0.0)return in*(-1.0); else return in;}
qint8 Abs(qint8 in){if(in<0)return in*(-1); else return in;}
qint16 Abs(qint16 in){if(in<0)return in*(-1); else return in;}
qint32 Abs(qint32 in){if(in<0)return in*(-1); else return in;}
qint8 isPositive(qint8 in){if(in<0)return -1; else return 1;}
qint16 isPositive(qint16 in){if(in<0)return (-1); else return 1;}
qint32 isPositive(qint32 in){if(in<0)return (-1); else return 1;}
double Saturate(double in,double limit);
bool AbsSmaller(double input,double limit;
bool AbsLarger(double input,double limit);
bool AbsLargerAndSameSign(double input,double limit);
double RaiseAbsLimit(double input,double *limit);
double LowerAbsLimit(double input,double *limit);
signals:
public slots:
}; |
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#include "srmath.h"
Srmath::Srmath(QObject *parent) :
QObject(parent)
{
}
double Srmath::Saturate(double in,double limit)
{
if(in>limit){
return limit;
}
else if(in<-limit){
return -limit;
}
else return in;
}
bool Srmath::AbsSmaller(double input,double limit)
{
if(Abs(input)<Abs(limit))return true;
else return false;
}
bool Srmath::AbsLarger(double input,double limit)
{
if(Abs(input)>Abs(limit))return true;
else return false;
}
// molempien arvojen oltava samanmerkkisia, ehto toteutuu kun tullaan nollasta ylä- tai alarajalle
bool Srmath::AbsLargerAndSameSign(double input,double limit)
{
return (Abs(input) > Abs(limit))&&((input*limit)>0);
}
//! jos tulo on absoluuttisesti suurempi kuin raja, funktio nostaa rajaa
double Srmath::RaiseAbsLimit(double input,double *limit)
{
if(Abs(input)>Abs(*limit)){
*limit=Abs(input);
}
return *limit;
}
double Srmath::LowerAbsLimit(double input,double *limit)
{
if(Abs(input)<Abs(*limit)){
*limit=Abs(input);
}
return *limit;
}
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