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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; } |