Added a prepareNeuralNetwork funktion, that compiles but fails 6/8 tests

imageInput.c

@@ -6,8 +6,6 @@
 #define BUFFER_SIZE 100
 #define FILE_HEADER_STRING "__info2_image_file_format__"
 
-// TODO Implementieren Sie geeignete Hilfsfunktionen für das Lesen der Bildserie aus einer Datei
-
 int checkString (FILE *file){ //Checks if String at the start of File equals expected Format (0 for wrong 1 for right)
 	if (file == NULL){ //returns 0 for empty file
 		return 0;
@@ -30,9 +28,8 @@ int checkString (FILE *file){ //Checks if String at the start of File equals exp
 	}	
 }
 
-void setParameters(FILE* file, unsigned int* imageCount, unsigned int* width, unsigned int* height);
-int allocateMemory(GrayScaleImageSeries *series, const int imageCount, const int width, const int height);
-// TODO Vervollständigen Sie die Funktion readImages unter Benutzung Ihrer Hilfsfunktionen
+static void setParameters(FILE* file, unsigned int* imageCount, unsigned int* width, unsigned int* height);
+static int allocateMemory(GrayScaleImageSeries *series, const int imageCount, const int width, const int height);
 
 
 GrayScaleImageSeries *readImages(const char *path)
@@ -42,7 +39,7 @@ GrayScaleImageSeries *readImages(const char *path)
         fclose(file);
 		return NULL;
     }
-	// TODO open binary file from file name
+
     unsigned int width, height; //uninitialised Variables, will be set by setparamters
 
 
@@ -63,12 +60,12 @@ GrayScaleImageSeries *readImages(const char *path)
         for(unsigned int j = 0; j < width * height; j++){ //Iterating for every pixel
 		fread(&(series->images[i].buffer[j]), sizeof(GrayScalePixelType), 1, file);
         }
+        fread(&(series->labels[i]), sizeof(unsigned char), 1, file); // TODO Added writing in labels array
 	}
 	fclose(file);
     return series;
 }
 
-// TODO Vervollständigen Sie die Funktion clearSeries, welche eine Bildserie vollständig aus dem Speicher freigibt
 void clearSeries(GrayScaleImageSeries *series)
 {
     if (!series)
@@ -85,32 +82,26 @@ void clearSeries(GrayScaleImageSeries *series)
     free(series); //Freeing Main Structure
 
 }
-void setParameters(FILE* file, unsigned int* imageCount, unsigned int* width, unsigned int* height) { // sets the parameters
+static void setParameters(FILE* file, unsigned int* imageCount, unsigned int* width, unsigned int* height) { // sets the parameters
 
-	char buffer[3];
+	unsigned short buffer[3];
 
 	fseek(file, 27, SEEK_SET);
-	fread(buffer, 1, 3, file);
-    if(fread(buffer, 1, 3, file) != 3){
+    if(fread(buffer, sizeof(unsigned short), 3, file) != 3){ // TODO changed some stuff here, used UNSIGNED SHORT instead of UNSIGNED CHAR!!
         *imageCount = 0;
         *width = 0;
         *height = 0;
+        return;
+    } //Stops if file is too short and clean up
 
+	*imageCount = (unsigned int) buffer[0];
 
-        return;} //Stops if file is too short and clean up
+    *width = (unsigned int) buffer[1];
 
-	*imageCount = (int) buffer[0];
-
-
-    *width = (int) buffer[1];
-
-    *height = (int) buffer[2];
-	// TODO allocate memory for labels array (in imageInput.h) -> Done in allocate Memory
-	
-	// TODO read from file and write in 2d arry, write label in labels array, repeat for imageCount	-> done in readImages	
+    *height = (unsigned int) buffer[2];
 }
 
-int allocateMemory(GrayScaleImageSeries *series, const int imageCount, const int width, const int height) {
+static int allocateMemory(GrayScaleImageSeries *series, const int imageCount, const int width, const int height) {
     series->count = imageCount; //counts number of images in series
 
     series->images = malloc (sizeof(GrayScaleImage) * imageCount); //Reserving Memory for Images Array

imageInputTests.c

@@ -50,9 +50,7 @@ void test_readImagesReturnsCorrectNumberOfImages(void)
     TEST_ASSERT_EQUAL_UINT16(expectedNumberOfImages, series->count);
 
     clearSeries(series);
-    printf("Test 1 BP5\n");
     remove(path);
-    printf("Test 1 BP6\n");
 }
 
 void test_readImagesReturnsCorrectImageWidth(void)
@@ -139,7 +137,6 @@ int main()
     
     printf("\n============================\nImage input tests\n============================\n");
     RUN_TEST(test_readImagesReturnsCorrectNumberOfImages);
-    printf("BP Check1 complete");
     RUN_TEST(test_readImagesReturnsCorrectImageWidth);
     RUN_TEST(test_readImagesReturnsCorrectImageHeight);
     RUN_TEST(test_readImagesReturnsCorrectLabels);

matrix.c

@@ -131,4 +131,14 @@ Matrix multiply(const Matrix matrix1, const Matrix matrix2)
             }
     }
     return result;
+}
+void writeMatrix(Matrix matrix, FILE *file)//Added for neuralNetworkTests
+{
+	for(int i = 0; i < matrix.rows; i++)
+	{
+		for(int j = 0; j < matrix.cols; j++)
+		{
+			fprintf(file, (char*)(matrix.buffer + (j+i)*sizeof(MatrixType)));
+		}
+	}
 }

matrix.h

@@ -21,6 +21,7 @@ void setMatrixAt(MatrixType value, Matrix matrix, unsigned int rowIdx, unsigned
 MatrixType getMatrixAt(const Matrix matrix, unsigned int rowIdx, unsigned int colIdx);
 Matrix add(const Matrix matrix1, const Matrix matrix2);
 Matrix multiply(const Matrix matrix1, const Matrix matrix2);
+void writeMatrix(Matrix matrix, FILE *file);//Added for neuralNetworkTests
 
 
 #endif

neuralNetworkTests.c

@@ -4,11 +4,20 @@
 #include <math.h>
 #include "unity.h"
 #include "neuralNetwork.h"
+#include "matrix.h"
 
 
 static void prepareNeuralNetworkFile(const char *path, const NeuralNetwork nn)
 {
-    // TODO
+	FILE *testDatei = fopen(path, "w");
+	fprintf(testDatei, "__info2_neural_network_file_format__");
+	for(int i = 0; i < nn.numberOfLayers; i++)
+	{
+		fprintf(testDatei, "\n");
+		writeMatrix(nn.layers[i].weights, testDatei);
+		writeMatrix(nn.layers[i].biases, testDatei);
+	}
+	fclose(testDatei);
 }
 
 void test_loadModelReturnsCorrectNumberOfLayers(void)