imageInput.c

@@ -41,31 +41,24 @@ GrayScaleImageSeries *readImages(const char *path)
 
         if (expectedHeader)
         {
-            printf("expected Header!\n");
             // reallocate memory so that each image width can be saved seperately
             series->images      = realloc(series->images, series->count * 2 * sizeof(unsigned int) + sizeof(headerString));
             
-            printf("count:  %d", series->count);
-            series->images[2].width = series->images->width;
-            series->images[2].height = series->images->height;
-            /*
             for (int i = 0; i < series->count; i++)
             {
                 series->images[i].width     = series->images->width;
                 series->images[i].height    = series->images->height;
             }
-                */
+            
-            printf("afer for Loop! \n");
             readImagedata(readSource, series, numberOfBytesToRead);
         }
         else
         {
             series = NULL;
         }
-        printf("before read Source\n");
+        
         fclose(readSource);
     }
-    printf("finished reading!\n");
     
     return series;
 }

makefile

@@ -18,8 +18,8 @@ unityfolder = ./unity
 # --------------------------
 # Initiales Programm bauen (zum ausprobieren)
 # --------------------------
-#mnist_initial: $(BINARIES)/libmnist_complete.a
+mnist_initial: $(BINARIES)/libmnist_complete.a
-#	$(CC) -o mnist $(BINARIES)/libmnist_complete.a $(BINARIES)/libraylib.a ${LDFLAGS}
+	$(CC) -o mnist $(BINARIES)/libmnist_complete.a $(BINARIES)/libraylib.a ${LDFLAGS}
 
 # --------------------------
 # Selbst implementiertes Programm bauen

matrix.c

@@ -1,238 +1,35 @@
 #include <stdlib.h>
 #include <string.h>
-#include <stdio.h>
 #include "matrix.h"
 
 // TODO Matrix-Funktionen implementieren
 
 Matrix createMatrix(unsigned int rows, unsigned int cols)
 {
-    Matrix matrix;
-    Matrix empty = {0, 0, NULL};
     
-    if(rows == 0 || cols == 0)
-    {
-        //print("Fehler: Dimensionen muessen >= 1 sein!");
-        return empty;
-    }
-
-    matrix.rows = rows;
-    matrix.cols = cols;
-    matrix.buffer = malloc(rows * cols * sizeof(float));
-
-    if(matrix.buffer == NULL)
-    {
-        //printf("Fehler bei der Speicherreservierung! Keine Matrix erstellt!");
-        matrix.rows = 0;
-        matrix.cols = 0;
-    }
-
-    return matrix;
 }
 
 void clearMatrix(Matrix *matrix)
 {
-    free(matrix->buffer);
     
-    matrix->buffer = NULL;
-    matrix->rows = 0;
-    matrix->cols = 0;
 }
 
 void setMatrixAt(MatrixType value, Matrix matrix, unsigned int rowIdx, unsigned int colIdx)
 {
-    if(matrix.buffer == NULL)
-    {
-        //printf("Fehler beim Setzen! Matrix nicht initialisiert");
-        return;
-    }
     
-    if(rowIdx >= matrix.rows || colIdx >= matrix.cols)
-    {
-        //printf("Ungueltige Indizes beim Setzen!\n");
-        return;
-    }
-
-    matrix.buffer[rowIdx * matrix.cols + colIdx] = value;
 }
 
 MatrixType getMatrixAt(const Matrix matrix, unsigned int rowIdx, unsigned int colIdx)
 {
-    if(matrix.buffer == NULL)
-    {
-        //printf("Fehler beim Lesen! Matrix nicht initialisiert");
-        return 0;
-    }
     
-    if(rowIdx >= matrix.rows || colIdx >= matrix.cols)
-    {
-        //printf("Ungueltige Indizes beim Lesen!\n");
-        return 0;
-    }
-
-    return matrix.buffer[rowIdx * matrix.cols + colIdx];
 }
 
 Matrix add(const Matrix matrix1, const Matrix matrix2)
 {
-    float matrix1Wert = 0;
-    float matrix2Wert = 0;
-    float summe = 0;
-    int broadcasting = 0;
     
-    Matrix broadcastedmatrix1 = {0,0,NULL};
-    Matrix broadcastedmatrix2 = {0,0,NULL};
-
-    if((matrix1.rows != matrix2.rows) || (matrix1.cols != matrix2.cols))
-    {
-        if((matrix1.rows != matrix2.rows) && (matrix1.cols == matrix2.cols))
-        {
-            if(matrix1.rows == 1)
-            {
-                broadcastedmatrix1 = createMatrix(matrix2.rows, matrix2.cols);
-
-                for(int row = 0; row<matrix2.rows; row++)
-                {
-                    for(int col = 0; col<matrix2.cols; col++)
-                    {
-                        matrix1Wert = getMatrixAt(matrix1, 0, col);
-                        setMatrixAt(matrix1Wert, broadcastedmatrix1, row, col);
-                    }
-                }
-
-                broadcasting = 1;
-            }
-            else if(matrix2.rows == 1)
-            {
-                broadcastedmatrix2 = createMatrix(matrix1.rows, matrix1.cols);
-                
-                for(int row = 0; row<matrix1.rows; row++)
-                {
-                    for(int col = 0; col<matrix1.cols; col++)
-                    {
-                        matrix2Wert = getMatrixAt(matrix2, 0, col);
-                        setMatrixAt(matrix2Wert, broadcastedmatrix2, row, col);
-                    }
-                }
-
-                broadcasting = 2;
-            }
-        }
-        else if((matrix1.rows == matrix2.rows) && (matrix1.cols != matrix2.cols))
-        {
-            if(matrix1.cols == 1)
-            {
-                broadcastedmatrix1 = createMatrix(matrix2.rows, matrix2.cols);
-
-                for(int row = 0; row<matrix2.rows; row++)
-                {
-                    for(int col = 0; col<matrix2.cols; col++)
-                    {
-                        matrix1Wert = getMatrixAt(matrix1, row, 0);
-                        setMatrixAt(matrix1Wert, broadcastedmatrix1, row, col);
-                    }
-                }
-
-                broadcasting = 1;
-            }
-            else if(matrix2.cols == 1)
-            {
-                broadcastedmatrix2 = createMatrix(matrix1.rows, matrix1.cols);
-
-                for(int row = 0; row<matrix1.rows; row++)
-                {
-                    for(int col = 0; col<matrix1.cols; col++)
-                    {
-                        matrix2Wert = getMatrixAt(matrix2, row, 0);
-                        setMatrixAt(matrix2Wert, broadcastedmatrix2, row, col);
-                    }
-                }
-
-                broadcasting = 2;
-            }
-        }
-        else
-        {
-        //printf("Fehler bei Addition: Matrix Dimensionen stimmen nicht ueberein!\n");
-        Matrix empty = {0, 0, NULL};
-        return empty;
-        }
-    }
-
-    Matrix ergebnisMatrix;
-
-    switch (broadcasting)
-    {
-        case 0:
-        case 2:
-            ergebnisMatrix = createMatrix(matrix1.rows, matrix1.cols);
-        break;
-
-        case 1:
-            ergebnisMatrix = createMatrix(matrix2.rows, matrix2.cols);
-        break;
-    }
-
-    for(int row = 0; row < ergebnisMatrix.rows; row++)
-    {
-        for(int col = 0; col < ergebnisMatrix.cols; col++)
-        {
-            if(broadcasting == 0)
-            {
-                matrix1Wert = getMatrixAt(matrix1, row, col);
-                matrix2Wert = getMatrixAt(matrix2, row, col);
-                summe = matrix1Wert + matrix2Wert;
-            }
-            else if(broadcasting == 1)
-            {
-                matrix1Wert = getMatrixAt(broadcastedmatrix1, row, col);
-                matrix2Wert = getMatrixAt(matrix2, row, col);
-                summe = matrix1Wert + matrix2Wert;
-            }
-            else if(broadcasting == 2)
-            {
-                matrix1Wert = getMatrixAt(matrix1, row, col);
-                matrix2Wert = getMatrixAt(broadcastedmatrix2, row, col);
-                summe = matrix1Wert + matrix2Wert;
-            }
-
-            setMatrixAt(summe, ergebnisMatrix, row, col);
-        }
-    }
-
-    clearMatrix(&broadcastedmatrix1);
-    clearMatrix(&broadcastedmatrix2);
-
-    return ergebnisMatrix;
 }
 
 Matrix multiply(const Matrix matrix1, const Matrix matrix2)
 {
-    if(matrix1.cols != matrix2.rows)
+    
-    {
-        //printf("Fehler bei Multiplikation: Matrix Dimensionen passen nicht ueberein!\n");
-        Matrix empty = {0, 0, NULL};
-        return empty;
-    }
-
-    float erg = 0;
-
-    Matrix ergebnisMatrix = createMatrix(matrix1.rows, matrix2.cols);
-
-    for(int row = 0; row < ergebnisMatrix.rows; row++)
-    {
-        for(int col = 0; col < ergebnisMatrix.cols; col++)
-        {
-            erg = 0;
-
-            for(int k = 0; k < matrix1.cols; k++)
-            {
-                erg += getMatrixAt(matrix1, row, k) * getMatrixAt(matrix2, k, col);
-            }
-
-            setMatrixAt(erg, ergebnisMatrix, row, col);
-        }
-    }
-
-    return ergebnisMatrix;
 }

matrix.h

@@ -6,12 +6,7 @@
 typedef float MatrixType;
 
 // TODO Matrixtyp definieren
-typedef struct
+
-{
-    int rows;
-    int cols;
-    float *buffer;
-} Matrix;
 
 Matrix createMatrix(unsigned int rows, unsigned int cols);
 void clearMatrix(Matrix *matrix);

neuralNetworkTests.c

@@ -5,45 +5,10 @@
 #include "unity.h"
 #include "neuralNetwork.h"
 
-#define FILE_HEADER_STRING "__info2_neural_network_file_format__" 
 
 static void prepareNeuralNetworkFile(const char *path, const NeuralNetwork nn)
 {
     // TODO
-    
-    FILE *f = fopen(path, "wb");
-    if (!f) return;
-
-    fwrite(FILE_HEADER_STRING, sizeof(char), strlen(FILE_HEADER_STRING), f);
-
-    int inputDim = nn.layers[0].weights.cols;
-    int outputDim = nn.layers[0].weights.rows;
-
-    fwrite(&inputDim, sizeof(int), 1, f);
-    fwrite(&outputDim, sizeof(int), 1, f);
-
-    for (int i = 0; i < nn.numberOfLayers; i++)
-    {
-        Matrix weights = nn.layers[i].weights;
-        Matrix biases  = nn.layers[i].biases;
-
-        int numWeightValues = weights.rows * weights.cols;
-        int numBiasValues   = biases.rows * biases.cols;
-
-        fwrite(weights.buffer, sizeof(MatrixType), numWeightValues, f);
-        fwrite(biases.buffer, sizeof(MatrixType), numBiasValues, f);
-
-        if (i < nn.numberOfLayers - 1)
-        {
-            int nextOutputDim = nn.layers[i + 1].weights.rows;
-            fwrite(&nextOutputDim, sizeof(int), 1, f);
-        }
-    }
-
-    int endMarker = 0;
-    fwrite(&endMarker, sizeof(int), 1, f);
-
-    fclose(f);
 }
 
 void test_loadModelReturnsCorrectNumberOfLayers(void)