mittleff(0.5,x) returns NaN for large negative x

[putianyi889]

julia> using SpecialFunctions

julia> erfcx.(24:28)
5-element Vector{Float64}:
 0.023487546063682644
 0.022549572432641357
 0.02168358485056291
 0.02088160799042094
 0.020136801964214277

julia> mittleff.(0.5,-24:-1:-28)
5-element Vector{Float64}:
   0.02348754606368264
   0.022549572432641357
   0.021683584850562907
  Inf
 NaN

0.49 and 0.51 have no issue.

I'm using MittagLeffler@0.2.0. I was not able to update it to 0.2.1.

(@v1.6) pkg> add MittagLeffler@0.2.1
    Updating registry at `C:\Users\pty\.julia\registries\General`
   Resolving package versions...
ERROR: Unsatisfiable requirements detected for package MittagLeffler [9c257583]:
 MittagLeffler [9c257583] log:
 ├─possible versions are: 0.1.1-0.2.0 or uninstalled
 └─restricted to versions 0.2.1 by an explicit requirement — no versions left

[jlapeyre]

Just saw this. Thanks! Does your code inspired by matlab handle 0.5 correctly ?

[putianyi889]

Does your code inspired by matlab handle 0.5 correctly ?

yes.