//
// Created by minhd on 03.12.2024.
//

#include "MMS24_25.h"
#include "math.h"
#include <stdio.h>
#include <stdlib.h>

double interpolateLine(double x1, double y1,double x2, double y2, double x){
    double y = ((y2 - y1) / (x2 - x1)) * x + y1 - ((y2 - y1) / (x2 - x1)) * x1;
    return y;
}

void rescaleDoubleArray(double *pdIn, int iLen, int iMin, double dFactor, double *pdOut){
    for (int i = 0; i < iLen; i++) {
        pdOut[i] = pdIn[i + iMin] * dFactor;
    }
}

double *generateSineValues(int iNumValues, int iNumSamplesPerPeriod, double dAmp){
    double* sineArray = (double*)malloc(iNumValues * sizeof(double));
    for (int i=0; i<iNumValues;i++){
        sineArray[i] = dAmp*sin(((2*M_PI)/iNumSamplesPerPeriod) * i);
    }
    return sineArray;
}

void writeDoubleArray(double *pdOut, int iLen, char *pcOutName) {
    FILE* datei = fopen(pcOutName, "w");
    if (datei == NULL) {
        printf("Fehler beim Öffnen der Datei.\n");
        return;
    }

    for (int i = 0; i < iLen; i++) {
        fprintf(datei, "%f\n", pdOut[i]);
    }

    fclose(datei);

}