general.h

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#ifndef GENERAL_H
#define GENERAL_H
 
#include <QFile>
#include <QFileInfo>
#include <QString>
 
#include <QList>
#include <QPointF>
#include <QRegularExpression>
#include <cmath>
#include <complex>
 
// CONSTANTS
static constexpr double Z0  = 376.730313668;     // Free space impedance
static constexpr double C0  = 299792458.0;       // Speed of light
static constexpr double MU0 = 4.0 * M_PI * 1e-7; // Permeability of free space
static constexpr double pi_over_2   = M_PI / 2.0;
static constexpr double two_over_pi = 2.0 / M_PI;
static constexpr double one_over_pi = 1.0 / M_PI;
static constexpr double euler       = M_E;
static constexpr double ln2         = 0.693147180559945;
 
enum Units { Capacitance, Inductance, Length, Resistance, Degrees, NoUnits };
 
QString RoundVariablePrecision(double);
 
QString num2str(std::complex<double> Z, Units CompType);
 
QString num2str(double, Units);
 
QString num2str(double);
 
std::complex<double> Str2Complex(QString);
 
QString ConvertLengthFromM(QString, double);
 
void convert_MA_RI_to_dB(double& S_1, double& S_2, double& S_3, double& S_4,
                         QString format);
 
double getFreqScale(QString frequency_unit);
 
double getScaleFactor(QString scale);
 
int findClosestIndex(const QList<double>& list, double value);
 
double getFreqFromText(QString freq);
 
QPointF findClosestPoint(const QList<double>& xValues,
                         const QList<double>& yValues, double targetX);
 
QMap<QString, QList<double>> readTouchstoneFile(const QString& filePath);
 
 
void showHTMLDocs(QString path);
 
#endif // GENERAL_H