Example Program Data for nag_pch_interp_ex01
 9                                                          : m                                                           
 7.99        8.09        8.19        8.70        9.20      
 10.00       12.00       15.00       20.00                  : x(1) ... x(m)  
 0.00000E+0  0.27643E-4  0.43750E-1  0.16918E+0  0.46943E+0 
 0.94374E+0  0.99864E+0  0.99992E+0  0.99999E+0             : f(1) ... f(m)