NAG Library Manual, Mark 27.2
Interfaces:  FL   CL   CPP   AD 

NAG FL Interface Introduction
Example description

F07CRF Example Program Data
   5                                             :Value of N
 ( 2.0,-1.0) ( 2.0, 1.0) (-1.0, 1.0) ( 1.0,-1.0) :End of DU
 (-1.3, 1.3) (-1.3, 1.3) (-1.3, 3.3) (-0.3, 4.3)
 (-3.3, 1.3)                                     :End of D
 ( 1.0,-2.0) ( 1.0, 1.0) ( 2.0,-3.0) ( 1.0, 1.0) :End of DL