Programs from Chapter 7 include:

o mergesort_rec.p	This is Program 7.1, p. 425
o mergesort_nonrec.p	This is Program 7.2, p. 426-427
o skyline.p		This is Program 7.3, p. 442-443
o closest.p		This is Program 7.4, p. 448
o pseudo.p		This is Program 7.5, p. 453
o graham_scan.p		This is Program 7.6, p. 456
o fft.p			This is Program 7.7, p. 474-475

Also included, but in shortened form (fewer comments) are:

o convex_hull 		A directory containing all files for various convex
			hull algorithms: package wrapping, Graham scan, and
			divide-and-conquer
o closest		A directory containing all files for the algorithm
			for the closest pair problem
