Incomplete Gamma Function

   a           x         actual     gammp(a,x) 
  0.10     0.031623     0.742026     0.742026 
  0.10     0.316228     0.911975     0.911975 
  0.10     1.581139     0.989896     0.989896 
  0.50     0.070711     0.293128     0.293128 
  0.50     0.707107     0.765642     0.765642 
  0.50     3.535534     0.992166     0.992166 
  1.00     0.100000     0.095163     0.095163 
  1.00     1.000000     0.632121     0.632120 
  1.00     5.000000     0.993262     0.993262 
  1.10     0.104881     0.075747     0.075747 
  1.10     1.048809     0.607646     0.607646 
  1.10     5.244044     0.993343     0.993342 
  2.00     0.141421     0.009105     0.009105 
  2.00     1.414214     0.413064     0.413064 
  2.00     7.071068     0.993145     0.993145 
  6.00     2.449490     0.038732     0.038732 
  6.00    12.247449     0.982594     0.982594 
 11.00    16.583124     0.940427     0.940427 
 26.00    25.495098     0.486387     0.486387 
 41.00    44.821869     0.735971     0.735971