//
// Created by frederikbeimgraben, minhdancam, leahornberger on 03.12.2024.
//

#ifndef MMS24_25_H
#define MMS24_25_H

typedef struct {
  double *pdValues;
  int iNumValues;
} MMSignal;

typedef struct {
	int iNumLocalExtrema;
	int *piLocalExtremaPos;
} LocalExtrema;

typedef struct {
	int iGlobalMinPos;
	int iGlobalMaxPos;
	LocalExtrema *pexLocalMax;
	LocalExtrema *pexLocalMin;
} Extrema;

typedef struct {
	double dIntervalMin;
	double dIntervalMax;
	double dBinWidth;
	int iNumBins;
	double *pdBinValues;
} Histogram;

/***************************
*  AUFGABE 1
****************************/

double interpolateLine(double dX1,double dY1,double dX2, double dY2, double dXq);
void rescaleDoubleArray(double *pdIn, int iLen, double dMin, double dFactor, double *pdOut);
double *generateSineValues(int iNumValues, int iNumSamplesPerPeriod, double dAmp);
void writeDoubleArray(double *pdOut, int iLen, char *pcOutName);

/**************************************
* read a linebreak separated numbers from a file
*
* input:
*       pcInName - Name of the file to be read
*       ppdIn - pointer holding the reference to the data array created by this function after reading
*
* output:
*       Length of the array of double values created by this function
*
***************************************/
int readDoubleArray(char *pcInName, double **ppdIn);

MMSignal *createSignal();
MMSignal *createSignalFromDoubleArray(int iArrayLen, double *pdIn);
MMSignal *createSignalFromFile(char *pcInName);
MMSignal *readMMSignal(char *pcInName);
void writeMMSignal(char *pcInName, MMSignal *pmmsIn);

void deleteSignal(MMSignal *pmmsIn);

/********************************
* AUFGABE 2
********************************/

double calculateArea(double *pdIn, int iLen);
double calculateMean(double *pdIn, int iLen);
double calculateStddev(double *pdIn, int iLen);
double calculateMedian(double *pdIn, int iLen);
Extrema *initExtrema(double *pdIn, int iLen);
void deleteExtrema(Extrema *pexIn);
Histogram *initHistogram(double *pdIn, int iLen, int iNumBins);
void deleteHistogram(Histogram *phisIn);
double calculateEntropy(Histogram *phisIn);

/********************************
* AUFGABE 3
********************************/
MMSignal *convoluteSignals(MMSignal *pmmsInA,MMSignal *pmmsInB);
double *getPascalLine(int iLinenum);

/********************************
* AUFGABE 4
********************************/

#endif //MMS24_25_H