NAG Library Manual, Mark 29.2
Interfaces:  FL   CL   CPP   AD 

NAG FL Interface Introduction
Example description

 S22BFF Example Program Results

          a          b          c          x           frf    scf  2F1(a,b;c;x)
    -9.9999     1.9999    -4.9999     0.4500  -5.44477E-01     16  -3.56828E+04
   -10.0001     2.0001    -5.0001     0.4500   5.44547E-01     16   3.56875E+04

 Solution product                  -2.96494E-01     32  -1.27343E+09

 Solution ratio                    -9.99871E-01      0  -9.99871E-01