Segment_generator_example1.C
    example program for generic segment generator.  A number of segments
    are generated and copied to a vector of segments.

Segment_generator_example2.C
    example program for the generic segment generator using precomputed
    point locations.

generators_example1.C
    generates 1000 points as follows: 600 are draw from a disc; 200 are
    drawn from a grid; 100 are duplicates; 100 are collinear points

generators_example2.C
    generates 500 points with integer coordinates

random_polzgon_ex.C
    generates a random polygon from a randomly chosen number of points
    and prints the polygon to standard output