This manual relates to an old release of the Library.
The documentation for the current release is also available on this site.
NAG Library Manual, Mark 27.3
Interfaces:  FL   CL   CPP   AD 
NAG FL Interface Introduction
Example description
 S21BAF Example Program Results

     X      Y        S21BAF

    0.50   1.00      1.1107
    1.00   1.00      1.0000
    1.50   1.00      0.9312