From http://julianlsolvers.github.io/Optim.jl/latest/algo/samin/
julia> using Optim, OptimTestProblems
julia> prob = OptimTestProblems.UnconstrainedProblems.examples["Rosenbrock"];
julia> res = Optim.optimize(prob.f, prob.initial_x,
fill(-100.0, 2), fill(100.0, 2), SAMIN(), Optim.Options(iterations=20000))
ERROR: UndefVarError: SAMIN not defined