reverse_rows      682 src/dispnew.c        reverse_rows (matrix, first, first + by);
reverse_rows      683 src/dispnew.c        reverse_rows (matrix, first + by, last);
reverse_rows      684 src/dispnew.c        reverse_rows (matrix, first, last);
reverse_rows      689 src/dispnew.c        reverse_rows (matrix, last - by, last);
reverse_rows      690 src/dispnew.c        reverse_rows (matrix, first, last - by);
reverse_rows      691 src/dispnew.c        reverse_rows (matrix, first, last);