updated
This commit is contained in:
kbecke23
parent
62ffcca286
commit
66177c97da
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@ -42,7 +42,7 @@ typedef struct {
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point_t points[NUMBER_OF_SAMPLES]; // [0] = xActual, [1]=xpredicted from localMean, [2]=xpredicted from directPredecessor, [3] = xpredicted from differentialpredecessor, [4] = xError from localMean, [5] xError from directPredecessor, [6] xError from differentialPredecessor
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/* *ppm read, copy, write* */
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/* *ppm read, copy, write* */
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typedef struct {
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unsigned char red, green, blue;
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}colorChannel_t;
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@ -55,9 +55,9 @@ typedef struct {
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static imagePixel_t * rdPPM(char *fileName); // read PPM file format
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void mkPpmFile(char *fileName, imagePixel_t *image); // writes PPM file
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int ppmColorChannel(FILE* fp, imagePixel_t *image); // writes colorChannel from PPM file to log file
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void colorSamples( FILE* fp ); // stores color channel values in xSamples[]
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void colorSamples(FILE* fp); // stores color channel values in xSamples[]
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/* *file handling* */
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/* *file handling* */
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char * mkFileName(char* buffer, size_t max_len, int suffixId);
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char *fileSuffix(int id);
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void myLogger(FILE* fp, point_t points[]);
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@ -71,9 +71,9 @@ double rndm(void);
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double sum_array(double x[], int length);
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void directPredecessor(void);
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void localMean(void);
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void differentialPredecessor( void );
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void differentialPredecessor(void);
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double *popNAN(double *xError, int xErrorLength); //return new array without NAN values
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double windowXMean( int _arraylength, int xCount );
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double windowXMean(int _arraylength, int xCount);
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int main(int argc, char **argv) {
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@ -90,14 +90,14 @@ int main(int argc, char **argv) {
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printf("%d\n", xLength);
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FILE* fp6 = fopen(fileName, "r");
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colorSamples ( fp6 );
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colorSamples(fp6);
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srand((unsigned int)time(NULL));
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for (i = 0; i < NUMBER_OF_SAMPLES; i++) {
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// _x[i] += ((255.0 / M) * i); // Init test values
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// _x[i] += ((255.0 / M) * i); // Init test values
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for (int k = 0; k < WINDOWSIZE; k++) {
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w[k][i]= rndm(); // Init weights
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w[k][i] = rndm(); // Init weights
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}
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}
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@ -105,7 +105,7 @@ int main(int argc, char **argv) {
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// save plain test_array before math magic happens
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FILE *fp0 = fopen(fileName, "w");
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for (i = 0; i <= tracking; i++) {
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for ( k = 0; k < WINDOWSIZE; k++) {
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for (k = 0; k < WINDOWSIZE; k++) {
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fprintf(fp0, "[%d][%d] %lf\n", k, i, w[k][i]);
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}
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}
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@ -116,8 +116,8 @@ int main(int argc, char **argv) {
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localMean();
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//directPredecessor();
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//differentialPredecessor();
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// save test_array after math magic happened
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// memset( fileName, '\0', sizeof(fileName) );
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// save test_array after math magic happened
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// memset( fileName, '\0', sizeof(fileName) );
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mkFileName(fileName, sizeof(fileName), USED_WEIGHTS);
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FILE *fp1 = fopen(fileName, "w");
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for (i = 0; i < tracking; i++) {
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@ -135,13 +135,13 @@ int main(int argc, char **argv) {
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/*
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======================================================================================================
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======================================================================================================
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localMean
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localMean
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Variant (1/3), substract local mean.
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Variant (1/3), substract local mean.
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======================================================================================================
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======================================================================================================
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*/
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void localMean(void) {
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@ -153,49 +153,49 @@ void localMean(void) {
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FILE* fp4 = fopen(fileName, "w");
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fprintf(fp4, "\n=====================================LocalMean=====================================\n");
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double xMean = xSamples[0];
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double xMean = xSamples[0];
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double weightedSum = 0.0;
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double filterOutput = 0.0;
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double xSquared = 0.0;
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double xPredicted = 0.0;
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double xActual = 0.0;
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double xSquared = 0.0;
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double xPredicted = 0.0;
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double xActual = 0.0;
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for (xCount = 1; xCount < NUMBER_OF_SAMPLES; xCount++) { // first value will not get predicted
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double xPartArray[xCount]; //includes all values at the size of runtime var
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//int _sourceIndex = (xCount > WINDOWSIZE) ? xCount - WINDOWSIZE : xCount;
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//double xPartArray[1000]; //includes all values at the size of runtime var
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//int _sourceIndex = (xCount > WINDOWSIZE) ? xCount - WINDOWSIZE : xCount;
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int _arrayLength = (xCount > WINDOWSIZE) ? WINDOWSIZE + 1 : xCount;
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//printf("xCount:%d, length:%d\n", xCount, _arrayLength);
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xMean = ( xCount > 0 ) ? windowXMean(_arrayLength, xCount) : 0;
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// printf("WINDOWSIZE:%f\n", windowXMean(_arrayLength, xCount));
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xMean = (xCount > 0) ? windowXMean(_arrayLength, xCount) : 0;
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// printf("WINDOWSIZE:%f\n", windowXMean(_arrayLength, xCount));
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xPredicted = 0.0;
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xActual = xSamples[xCount + 1];
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// weightedSum += _x[ xCount-1 ] * w[xCount][0];
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// weightedSum += _x[ xCount-1 ] * w[xCount][0];
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for (i = 1; i < _arrayLength ; i++) { //get predicted value
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xPredicted += (w[i][xCount] * ( xSamples[xCount - i] - xMean));
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for (i = 1; i < _arrayLength; i++) { //get predicted value
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xPredicted += (w[i][xCount] * (xSamples[xCount - i] - xMean));
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}
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xPredicted += xMean;
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xError[xCount] = xActual - xPredicted;
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printf("Pred: %f\t\tActual:%f\n", xPredicted,xActual);
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printf("Pred: %f\t\tActual:%f\n", xPredicted, xActual);
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points[xCount].xVal[1] = xCount;
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points[xCount].yVal[1] = xPredicted;
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points[xCount].xVal[4] = xCount;
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points[xCount].yVal[4] = xError[xCount];
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xSquared = 0.0;
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xSquared = 0.0;
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for (i = 1; i < _arrayLength; i++) { //get xSquared
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//xSquared += pow(xSamples[xCount - i], 2);
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//xSquared += pow(xSamples[xCount - i], 2);
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xSquared += pow(xSamples[xCount - i] - xMean, 2);
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printf("xSquared:%f\n", xSquared);
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}
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if(xSquared == 0.0){ // returns Pred: -1.#IND00
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xSquared = 1.0;
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if (xSquared == 0.0) { // returns Pred: -1.#IND00
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xSquared = 1.0;
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}
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//printf("%f\n", xSquared);
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//printf("%f\n", xSquared);
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for (i = 1; i < _arrayLength; i++) { //update weights
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w[i][xCount + 1] = w[i][xCount] + learnrate * xError[xCount] * ( (xSamples[xCount - i] - xMean) / xSquared);
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w[i][xCount + 1] = w[i][xCount] + learnrate * xError[xCount] * ((xSamples[xCount - i] - xMean) / xSquared);
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}
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fprintf(fp4, "{%d}.\txPredicted{%f}\txActual{%f}\txError{%f}\n", xCount, xPredicted, xActual, xError[xCount]);
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@ -225,14 +225,14 @@ void localMean(void) {
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}
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/*
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======================================================================================================
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======================================================================================================
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directPredecessor
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directPredecessor
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Variant (2/3),
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substract direct predecessor
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Variant (2/3),
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substract direct predecessor
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======================================================================================================
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======================================================================================================
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*/
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void directPredecessor(void) {
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@ -240,19 +240,19 @@ void directPredecessor(void) {
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double xError[2048];
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int xCount = 0, i;
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double xActual;
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int xPredicted = 0.0;
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int xPredicted = 0.0;
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// File handling
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mkFileName(fileName, sizeof(fileName), DIRECT_PREDECESSOR);
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FILE *fp3 = fopen(fileName, "w");
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fprintf(fp3, "\n=====================================DirectPredecessor=====================================\n");
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for (xCount = 1; xCount < NUMBER_OF_SAMPLES + 1; xCount++) {
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double xPartArray[xCount]; //includes all values at the size of runtime var
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//int _sourceIndex = (xCount > WINDOWSIZE) ? xCount - WINDOWSIZE : xCount;
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//double xPartArray[xCount]; //includes all values at the size of runtime var
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//int _sourceIndex = (xCount > WINDOWSIZE) ? xCount - WINDOWSIZE : xCount;
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int _arrayLength = (xCount > WINDOWSIZE) ? WINDOWSIZE + 1 : xCount;
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printf("xCount:%d, length:%d\n", xCount, _arrayLength);
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double xMean = ( xCount > 0 ) ? windowXMean(_arrayLength, xCount) : 0;
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printf("%f\n", windowXMean(_arrayLength, xCount));
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double xMean = (xCount > 0) ? windowXMean(_arrayLength, xCount) : 0;
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printf("%f\n", windowXMean(_arrayLength, xCount));
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xPredicted = 0.0;
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xActual = xSamples[xCount + 1];
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@ -279,7 +279,7 @@ void directPredecessor(void) {
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}
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int xErrorLength = sizeof(xError) / sizeof(xError[0]);
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printf("vor:%d", xErrorLength);
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printf("vor:%d", xErrorLength);
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popNAN(xError, xErrorLength);
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printf("nach:%d", xErrorLength);
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xErrorLength = sizeof(xError) / sizeof(xError[0]);
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@ -298,16 +298,16 @@ void directPredecessor(void) {
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/*
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======================================================================================================
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======================================================================================================
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differentialPredecessor
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differentialPredecessor
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variant (3/3),
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differenital predecessor.
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variant (3/3),
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differenital predecessor.
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======================================================================================================
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*/
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void differentialPredecessor ( void ) {
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======================================================================================================
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*/
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void differentialPredecessor(void) {
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char fileName[512];
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double xError[2048];
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@ -361,15 +361,15 @@ void differentialPredecessor ( void ) {
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/*
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======================================================================================================
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======================================================================================================
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mkFileName
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mkFileName
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Writes the current date plus the suffix with index suffixId
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into the given buffer. If the total length is longer than max_len,
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only max_len characters will be written.
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Writes the current date plus the suffix with index suffixId
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into the given buffer. If the total length is longer than max_len,
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only max_len characters will be written.
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======================================================================================================
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======================================================================================================
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*/
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@ -387,13 +387,13 @@ char *mkFileName(char* buffer, size_t max_len, int suffixId) {
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/*
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======================================================================================================
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======================================================================================================
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fileSuffix
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fileSuffix
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Contains and returns every suffix for all existing filenames
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Contains and returns every suffix for all existing filenames
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======================================================================================================
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======================================================================================================
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*/
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char * fileSuffix(int id) {
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@ -403,13 +403,13 @@ char * fileSuffix(int id) {
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/*
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======================================================================================================
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======================================================================================================
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myLogger
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myLogger
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Logs x,y points to svg graph
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Logs x,y points to svg graph
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======================================================================================================
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======================================================================================================
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*/
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void bufferLogger(char *buffer, point_t points[]) {
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int i;
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@ -430,71 +430,72 @@ void bufferLogger(char *buffer, point_t points[]) {
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strcat(buffer, _buffer);
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}
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strcat(buffer, "\" fill=\"none\" id=\"svg_3\" stroke=\"blue\" stroke-width=\"0.4px\"/>\n<path d=\"M0 0\n");
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for (i = 0; i < NUMBER_OF_SAMPLES - 1; i++ ){ //xPredicted from diff Pred
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for (i = 0; i < NUMBER_OF_SAMPLES - 1; i++) { //xPredicted from diff Pred
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sprintf(_buffer, "L %f %f\n", points[i].xVal[3], points[i].xVal[3]);
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strcat(buffer, _buffer);
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}
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strcat(buffer, "\" fill=\"none\" id=\"svg_4\" stroke=\"blue\" stroke-width=\"0.4px\"/>\n");
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strcat(buffer, "\" fill=\"none\" id=\"svg_4\" stroke=\"blue\" stroke-width=\"0.4px\"/>\n");
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}
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/*
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======================================================================================================
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======================================================================================================
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sum_array
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sum_array
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Sum of all elements in x within a defined length
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Sum of all elements in x within a defined length
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======================================================================================================
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======================================================================================================
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*/
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double sum_array(double x[], int xlength) {
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int i = 0;
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double sum = 0.0;
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if (xlength !=0 ){
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for (i = 0; i < xlength; i++) {
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sum += x[i];
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}
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}
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if (xlength != 0) {
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for (i = 0; i < xlength; i++) {
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sum += x[i];
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}
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}
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return sum;
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}
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/*
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======================================================================================================
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======================================================================================================
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popNanLength
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popNanLength
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returns length of new array without NAN values
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returns length of new array without NAN values
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======================================================================================================
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======================================================================================================
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*/
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double *popNAN( double *xError,int xErrorLength ) {
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int i, counter;
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double noNAN [xErrorLength];
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double *popNAN(double *xError, int xErrorLength) {
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int i, counter;
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double noNAN[10];
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realloc(noNAN, xErrorLength);
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for ( i = 0; i < xErrorLength; i++) {
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if ( !isnan(xError[i]) ) {
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noNAN[i] = xError[i];
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counter++;
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}
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}
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realloc(noNAN, counter * sizeof(double));
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int noNANLength = sizeof(noNAN)/ sizeof(noNAN[0]);
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memcpy(xError, noNAN, noNANLength);
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return xError;
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for (i = 0; i < xErrorLength; i++) {
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if (!isnan(xError[i])) {
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noNAN[i] = xError[i];
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counter++;
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}
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}
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realloc(noNAN, counter * sizeof(double));
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int noNANLength = sizeof(noNAN) / sizeof(noNAN[0]);
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memcpy(xError, noNAN, noNANLength);
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return xError;
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}
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/*
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======================================================================================================
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======================================================================================================
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r2
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r2
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returns a random double value between 0 and 1
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returns a random double value between 0 and 1
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======================================================================================================
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======================================================================================================
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*/
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double r2(void) {
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@ -503,13 +504,13 @@ double r2(void) {
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/*
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======================================================================================================
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======================================================================================================
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rndm
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rndm
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fills a double variable with random value and returns it
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fills a double variable with random value and returns it
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======================================================================================================
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======================================================================================================
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*/
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double rndm(void) {
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@ -519,13 +520,13 @@ double rndm(void) {
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/*
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======================================================================================================
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======================================================================================================
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mkSvgGraph
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mkSvgGraph
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parses template.svg and writes results in said template
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parses template.svg and writes results in said template
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======================================================================================================
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======================================================================================================
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*/
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void mkSvgGraph(point_t points[]) {
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@ -541,10 +542,10 @@ void mkSvgGraph(point_t points[]) {
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char buffer[131072] = "";
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memset(buffer, '\0', sizeof(buffer));
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while(!feof(input)) {
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while (!feof(input)) {
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fgets(line, 512, input);
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strncat(buffer, line,strlen(line));
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// printf("%s\n", line);
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strncat(buffer, line, strlen(line));
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// printf("%s\n", line);
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if (strstr(line, firstGraph) != NULL) {
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bufferLogger(buffer, points);
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}
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@ -556,14 +557,14 @@ void mkSvgGraph(point_t points[]) {
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/*
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======================================================================================================
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======================================================================================================
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rdPPM
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rdPPM
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reads data from file of type PPM, stores colorchannels in a struct in the
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size of given picture
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reads data from file of type PPM, stores colorchannels in a struct in the
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size of given picture
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======================================================================================================
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======================================================================================================
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*/
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static imagePixel_t *rdPPM(char *fileName) {
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@ -620,14 +621,14 @@ static imagePixel_t *rdPPM(char *fileName) {
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/*
|
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======================================================================================================
|
||||
======================================================================================================
|
||||
|
||||
mkPpmFile
|
||||
mkPpmFile
|
||||
|
||||
gets output from the result of rdPpmFile and writes a new PPM file. Best Case is a
|
||||
carbon copy of the source image. Build for debugging
|
||||
gets output from the result of rdPpmFile and writes a new PPM file. Best Case is a
|
||||
carbon copy of the source image. Build for debugging
|
||||
|
||||
======================================================================================================
|
||||
======================================================================================================
|
||||
*/
|
||||
|
||||
void mkPpmFile(char *fileName, imagePixel_t *image) {
|
||||
|
|
@ -645,22 +646,22 @@ void mkPpmFile(char *fileName, imagePixel_t *image) {
|
|||
|
||||
|
||||
/*
|
||||
======================================================================================================
|
||||
======================================================================================================
|
||||
|
||||
ppmColorChannel
|
||||
ppmColorChannel
|
||||
|
||||
gets one of the rgb color channels and writes them to a file
|
||||
gets one of the rgb color channels and writes them to a file
|
||||
|
||||
======================================================================================================
|
||||
======================================================================================================
|
||||
*/
|
||||
|
||||
int ppmColorChannel(FILE* fp, imagePixel_t *image) {
|
||||
// int length = 1000; // (image->x * image->y) / 3;
|
||||
// int length = 1000; // (image->x * image->y) / 3;
|
||||
int i = 0;
|
||||
|
||||
if (image) {
|
||||
for ( i = 0; i < NUMBER_OF_SAMPLES - 1; i++ ){
|
||||
fprintf(fp,"%d\n", image->data[i].green);
|
||||
for (i = 0; i < NUMBER_OF_SAMPLES - 1; i++) {
|
||||
fprintf(fp, "%d\n", image->data[i].green);
|
||||
}
|
||||
}
|
||||
fclose(fp);
|
||||
|
|
@ -669,48 +670,48 @@ int ppmColorChannel(FILE* fp, imagePixel_t *image) {
|
|||
|
||||
|
||||
/*
|
||||
======================================================================================================
|
||||
======================================================================================================
|
||||
|
||||
colorSamples
|
||||
colorSamples
|
||||
|
||||
reads colorChannel values from file and stores them in xSamples as well as points datatype for
|
||||
creating the SVG graph
|
||||
reads colorChannel values from file and stores them in xSamples as well as points datatype for
|
||||
creating the SVG graph
|
||||
|
||||
======================================================================================================
|
||||
======================================================================================================
|
||||
*/
|
||||
void colorSamples( FILE* fp ) {
|
||||
void colorSamples(FILE* fp) {
|
||||
int i = 0;
|
||||
int d, out;
|
||||
double f;
|
||||
char buffer[NUMBER_OF_SAMPLES];
|
||||
|
||||
while ( !feof(fp) ) {
|
||||
if ( fgets(buffer, NUMBER_OF_SAMPLES, fp) != NULL ) {
|
||||
sscanf(buffer,"%lf", &xSamples[i]);
|
||||
//printf("%lf\n", xSamples[i] );
|
||||
points[i].yVal[0] = xSamples[i];
|
||||
points[i].xVal[0] = i;
|
||||
++i;
|
||||
while (!feof(fp)) {
|
||||
if (fgets(buffer, NUMBER_OF_SAMPLES, fp) != NULL) {
|
||||
sscanf(buffer, "%lf", &xSamples[i]);
|
||||
//printf("%lf\n", xSamples[i] );
|
||||
points[i].yVal[0] = xSamples[i];
|
||||
points[i].xVal[0] = i;
|
||||
++i;
|
||||
}
|
||||
}
|
||||
fclose(fp);
|
||||
}
|
||||
|
||||
double windowXMean (int _arraylength, int xCount) {
|
||||
int count;
|
||||
double sum = 0.0;
|
||||
double *ptr;
|
||||
// printf("*window\t\t*base\t\txMean\n\n");
|
||||
for ( ptr = &xSamples[xCount - _arraylength]; ptr != &xSamples[xCount]; ptr++) { //set ptr to beginning of window
|
||||
//window = xCount - _arraylength
|
||||
//base = window - _arraylength;
|
||||
//sum = 0.0;
|
||||
//for( count = 0; count < _arraylength; count++){
|
||||
sum += *ptr;
|
||||
double windowXMean(int _arraylength, int xCount) {
|
||||
int count;
|
||||
double sum = 0.0;
|
||||
double *ptr;
|
||||
// printf("*window\t\t*base\t\txMean\n\n");
|
||||
for (ptr = &xSamples[xCount - _arraylength]; ptr != &xSamples[xCount]; ptr++) { //set ptr to beginning of window
|
||||
//window = xCount - _arraylength
|
||||
//base = window - _arraylength;
|
||||
//sum = 0.0;
|
||||
//for( count = 0; count < _arraylength; count++){
|
||||
sum += *ptr;
|
||||
// printf("%f\n", *base);
|
||||
|
||||
//}
|
||||
}
|
||||
//printf("\n%lf\t%lf\t%lf\n", *ptr, *ptr2, (sum/(double)WINDOW));
|
||||
return sum/(double)_arraylength;
|
||||
}
|
||||
//printf("\n%lf\t%lf\t%lf\n", *ptr, *ptr2, (sum/(double)WINDOW));
|
||||
return sum / (double)_arraylength;
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in New Issue