Example Program Data for nag_cheb_1d_ex03
  5  4  2  1   : m, n, l, d
  0.5    0.03
  1.0   -0.75
  2.0   -1.0 
  2.5   -0.1
  3.0    1.75  : (x(i),f(i),i=1,m)
   1     0.0   1.0  -2.0 : con_level(1), con_x(1), con_f(1,1:con_level(1)+1)
   0     4.0   9.0       : con_level(2), con_x(2), con_f(2,1:con_level(2)+1)