Added Matrix structure and solved Test 9 & 11

matrix.h

@@ -7,6 +7,11 @@ typedef float MatrixType;
 
 // TODO Matrixtyp definieren
 
+typedef struct {
+    unsigned int rows;
+    unsigned int cols;
+    float *buffer;
+} Matrix;
 
 Matrix createMatrix(unsigned int rows, unsigned int cols);
 void clearMatrix(Matrix *matrix);