NAG Library Manual, Mark 30.1
Interfaces:  FL   CL   CPP   AD 
NAG FL Interface Introduction
Example description

C06PKF Example Program Data
    9                                           : n
      (1.0E0,-0.5E0)      (0.5E0,-0.25E0)
      (1.0E0,-0.5E0)      (0.5E0,-0.25E0)
      (1.0E0,-0.5E0)      (0.5E0,-0.25E0)
      (1.0E0,-0.5E0)      (0.5E0,-0.25E0)
      (1.0E0,-0.5E0)      (0.0E0,-0.25E0)
      (0.0E0,-0.5E0)      (0.0E0,-0.25E0)
      (0.0E0,-0.5E0)      (0.0E0,-0.25E0)
      (0.0E0,-0.5E0)      (0.0E0,-0.25E0)
      (0.0E0,-0.5E0)      (0.0E0,-0.25E0)       : xa, ya