htswanalysis/MACS/lib/gsl/gsl-1.11/doc/examples/diff.out

   1 f(x) = x^(3/2)
   2 x = 2.0
   3 f'(x) = 2.1213203120 +/- 0.0000004064
   4 exact = 2.1213203436
   5
   6 x = 0.0
   7 f'(x) = 0.0000000160 +/- 0.0000000339
   8 exact = 0.0000000000