NAG Library Manual, Mark 30.1
Interfaces:  FL   CL   CPP   AD 

NAG FL Interface Introduction
Example description

 D01TEF Example Program Results

       a         b         c
   -1.73205   0.00000   1.73205
   -1.93649   0.00000   1.11803
   -1.97203   0.00000   1.01835
   -1.00000   0.00000   0.50709

    weights       abscissae 
    0.34785       -0.86114
    0.65215       -0.33998
    0.65215        0.33998
    0.34785        0.86114