Merge branch 'set_matrix'

matrix.c

@@ -6,17 +6,40 @@
 
 Matrix createMatrix(unsigned int rows, unsigned int cols)
 {
+    Matrix m;
+    m.rows = rows;
+    m.cols = cols;
+    m.data = NULL;
  
+    if(rows == 0 || cols == 0)
+    {
+        printf("Error");
+        exit(EXIT_FAILURE);
+    }
+ 
+    m.data = calloc(rows * cols, sizeof(MatrixType));
+    if (m.data == NULL)
+    {
+        printf("Error");
+        exit(EXIT_FAILURE);
+    }
+ 
+    return m;
 }
 
 void clearMatrix(Matrix *matrix)
 {
+    free(matrix->data);
     
+    matrix->rows = 0;
+    matrix->cols = 0;
+    matrix->data = NULL;
 }
 
 void setMatrixAt(MatrixType value, Matrix matrix, unsigned int rowIdx, unsigned int colIdx)
 {
    
+  matrix.data[(rowIdx * matrix.cols) + colIdx] = value;   //wir setzen den data-Wert an der Stelle (rowIdx*Spalten + colIdx) auf den Wert von value
 }
 
 MatrixType getMatrixAt(const Matrix matrix, unsigned int rowIdx, unsigned int colIdx)