NAG Library Manual, Mark 27.3
Interfaces:  FL   CL   CPP   AD 
NAG FL Interface Introduction
Example description

 G01TDF Example Program Results

    TAIL      P        DF1       DF2       F      IVALID
 ---------------------------------------------------------
     L     0.984     10.00     25.50     2.847      0
     L     0.900      1.00      1.00    39.863      0
     L     0.534     20.25      1.00     2.498      0