unsigned exam_noncommut(void)
{
unsigned result = 0;
cout << "examining behaviour of noncommutative objects" << flush;
clog << "----------behaviour of noncommutative objects:" << endl;
unsigned exam_noncommut(void)
{
unsigned result = 0;
cout << "examining behaviour of noncommutative objects" << flush;
clog << "----------behaviour of noncommutative objects:" << endl;