LSD Data Structures

Here are the data structures with brief descriptions:

coorlist	Chained list of coordinates
image_char_s	Char image data type
image_double_s	Double image data type
image_int_s	Int image data type
ntuple_list_s	'list of n-tuple' data type
point	A point (or pixel)
rect	Rectangle structure: line segment with width
rect_iter	Rectangle points iterator

---