Add Matrix struct definition and implement createMatrix function

matrix.c

@@ -5,12 +5,28 @@
 // TODO Matrix-Funktionen implementieren
 
 Matrix createMatrix(unsigned int rows, unsigned int cols)
-{
+{   
+    if (rows ==0 || cols ==0){ // check if dimensions are valid
+     Matrix empty = {.rows =0, .cols=0, .buffer =NULL}; //return empty matrix if invalid
+     return empty;
+    }
+    MatrixType *buffer = malloc(rows * cols* sizeof(MatrixType)); //allocate memory
+    if (buffer == NULL){ //check if memory allocation succeeded
+        Matrix empty = {.rows =0, .cols=0, .buffer =NULL}; //return empty matrix if out of memory 
+        return empty;
+    }
+    Matrix result ={.rows = rows, .cols = cols, .buffer = buffer}; // create and return matrix
+    return result;
+        
+    
     
 }
 
 void clearMatrix(Matrix *matrix)
-{
+{ free(matrix-> buffer); // free the buffer memory
+  matrix -> buffer = NULL; // set all members to NUll
+  matrix -> rows =0;
+  matrix -> cols =0;
     
 }
 

matrix.h

@@ -6,6 +6,11 @@
 typedef float MatrixType;
 
 // TODO Matrixtyp definieren
+typedef struct{ 
+    unsigned int rows;
+    unsigned int cols;
+    MatrixType *buffer; //pointer to dynamically allocate array 
+} Matrix;
 
 
 Matrix createMatrix(unsigned int rows, unsigned int cols);