fixed some Error Messegas from matrixTests

imageInput.c

@@ -19,4 +19,11 @@ GrayScaleImageSeries *readImages(const char *path)
 // TODO Vervollständigen Sie die Funktion clearSeries, welche eine Bildserie vollständig aus dem Speicher freigibt
 void clearSeries(GrayScaleImageSeries *series)
 {
+	for(size_t i = GrayScaleImageSeries.count - 1; i >= 0; i--)
+	{
+		free(GrayScaleImageSeries.images+GrayScaleImageSeries.count*sizeof(GrayScaleImage)*i);
+		free(GrayScaleImageSeries.labels+GrayScaleImageSeries.count*sizeof(unsigned char)*i);
+	}
+	GrayScaleImageSeries.images = NULL;
+	GrayScaleImageSeries.labels = NULL;
 }

matrix.c

@@ -1,5 +1,6 @@
 #include <stdlib.h>
 #include <string.h>
+#include <stdio.h>
 #include "matrix.h"
 
 // TODO Matrix-Funktionen implementieren
@@ -13,12 +14,17 @@ typedef struct Matrix {
 
 Matrix createMatrix(unsigned int rows, unsigned int cols)
 {
-    
+    Matrix newMatrix;
+	newMatrix.rows = rows;
+	newMatrix.cols = cols;
+	newMatrix.buffer = calloc(rows*cols, sizeof(MatrixType));
+	return newMatrix;
 }
 
 void clearMatrix(Matrix *matrix)
 {
-    
+    free(matrix->buffer);
+	matrix->buffer = NULL;
 }
 
 void setMatrixAt(MatrixType value, Matrix matrix, unsigned int rowIdx, unsigned int colIdx)
@@ -49,7 +55,7 @@ Matrix add(const Matrix matrix1, const Matrix matrix2)
     Matrix MatrixErgebnis = createMatrix(matrix1.rows, matrix1.cols); //Creating Result Matrix
     if(matrix1.cols != matrix2.cols || matrix1.rows != matrix2.rows){
         printf("Matrix dimensions do not match\n"); //Error Message if dimensions of Input Matrixes are not identical
-        MatrixErgebnis = clearMatrix(MatrixErgebnis);
+        clearMatrix(&MatrixErgebnis);
         return MatrixErgebnis;
     }
     else{
@@ -69,4 +75,25 @@ return MatrixErgebnis;
 Matrix multiply(const Matrix matrix1, const Matrix matrix2)
 {
 
+    Matrix result;
+    result.rows = matrix1.rows;
+    result.cols = matrix2.cols;
+
+    if (matrix1.rows == matrix2.cols) {
+
+        result.buffer = malloc(result.rows * result.cols * sizeof(MatrixType));
+
+        for(int i = 0; i < result.rows; i++) {
+            for(int j = 0; j < result.cols; j++) {
+                MatrixType value = 0;
+                for(int k = 0; k < matrix1.cols; k++) {
+                    value += matrix1.buffer[i * matrix1.cols + k] * matrix2.buffer[k * matrix2.cols + j];
+                }
+                result.buffer[i * matrix1.cols + j] = value;
+            }
+        }
+        return result;
+    }
+    printf("Die angegebenen Matrizen haben keine passenden Dimensionen für die Multiplikation");
+    return result;
 }

matrix.h

@@ -7,7 +7,7 @@ typedef float MatrixType;
 
 // TODO Matrixtyp definieren
 
-typedef struct Matrix;
+typedef struct Matrix Matrix;