MMS-2024-25/MMS-Loesung-2024-25
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Fix reference before definition

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This commit is contained in:
Frederik Beimgraben 2025-01-11 19:49:20 +01:00
parent 7e20e4eb19
commit 5b65a43431
1 changed files with 38 additions and 4 deletions
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42
MMS24-25.c
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@ -399,10 +399,10 @@ void deleteExtrema(Extrema *pexIn) {
}
void initMMSignalFeatures(MMSignal *pmmsIn) {
pmmsIn->dArea = calculateArea(pmmsIn->pdValues, pmmsIn->iNumValues);
pmmsIn->dMean = calculateMean(pmmsIn->pdValues, pmmsIn->iNumValues);
pmmsIn->dStdDev = calculateStddev(pmmsIn->pdValues, pmmsIn->iNumValues);
pmmsIn->dMedian = calculateMedian(pmmsIn->pdValues, pmmsIn->iNumValues);
pmmsIn->dArea = 0;
pmmsIn->dMean = 0;
pmmsIn->dStdDev = 0;
pmmsIn->dMedian = 0;
pmmsIn->pexExtrema = initExtrema(pmmsIn->pdValues, pmmsIn->iNumValues);
}
@ -496,3 +496,37 @@ MMSignal *getPascalLine(int iLinenum) {
}
// #endregion
// #region Aufgabe 4
void computeDFT(int iLen,
double *pdRealIn, double *pdImgIn,
double *pdRealOut, double *pdImgOut,
int iDirection /*-1,1*/) {
// Check the value of iDirection
if (iDirection != -1 && iDirection != 1)
_error("computeDFT: iDirection must be either -1 or 1\n");
for (int k = 0; k < iLen; k++) {
pdRealOut[k] = 0;
pdImgOut[k] = 0;
for (int n = 0; n < iLen; n++) {
pdRealOut[k] += pdRealIn[n] * cos(2*M_PI *k *n / iLen) + iDirection * pdImgIn[n] * sin(2*M_PI *k *n / iLen);
pdImgOut[k] += -iDirection * pdRealIn[n] * sin(2*M_PI *k *n / iLen) + pdImgIn[n] * cos(2*M_PI *k *n / iLen);
}
}
}
void convertCart2Polar(double *pdRealIn, double *pdImgIn, double *pdRadiusOut, double *pdAngleOut, int iLen) {
for (int i = 0; i < iLen; i++) {
pdRadiusOut[i] = sqrt(pow(pdRealIn[i], 2) + pow(pdImgIn[i], 2));
pdAngleOut[i] = atan2(pdImgIn[i], pdRealIn[i]);
}
}
void convertPolar2Cart(double *pdRadiusIn, double *pdAngleIn, double *pdRealOut, double *pdImgOut, int iLen) {
for (int i = 0; i < iLen; i++) {
pdRealOut[i] = pdRadiusIn[i] * cos(pdAngleIn[i]);
pdImgOut[i] = pdRadiusIn[i] * sin(pdAngleIn[i]);
}
}
// #endregion