Added ClearMatrix Function And Added Return Value to CreateMatrix

matrix.c

@@ -13,12 +13,17 @@ 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)
@@ -38,24 +43,5 @@ Matrix add(const Matrix matrix1, const Matrix matrix2)
 
 Matrix multiply(const Matrix matrix1, const Matrix matrix2)
 {
-    if (matrix1.rows == matrix2.cols) {
-        Matrix result;
-	    result.rows = matrix1.rows;
-        result.cols = matrix2.cols;
-
-        result.buffer = malloc(result.rows * result.cols * sizeof(MatrixType));
-
-        for(int i = 0; i < rows; i++) {
-            for(int j = 0; j < cols; j++) {
-                MatrixType value = 0;
-                for(int k = 0; k < matrix1.cols; k++) {
-                    value += matrix1[i][k] * matrix2[k][j];
-                }
-                result.buffer[i][i] = value;
-            }
-        }
-        return result;
-    }
-    printf("Die angegebenen Matrizen haben keine passenden Dimensionen für die Multiplikation");
-    return NULL;
+    
 }