reverse_rows      678 src/dispnew.c        reverse_rows (matrix, first, first + by);
reverse_rows      679 src/dispnew.c        reverse_rows (matrix, first + by, last);
reverse_rows      680 src/dispnew.c        reverse_rows (matrix, first, last);
reverse_rows      685 src/dispnew.c        reverse_rows (matrix, last - by, last);
reverse_rows      686 src/dispnew.c        reverse_rows (matrix, first, last - by);
reverse_rows      687 src/dispnew.c        reverse_rows (matrix, first, last);