fix ordering

Author: oscarddssmith

src/initialization.jl

@@ -100,7 +100,7 @@ Check if the algebraic constraints are satisfied, and error if they aren't. Retu
 the `u0` and `p` as-is, and is always successful if it returns. Valid only for
 `ODEProblem` and `DAEProblem`. Requires a `DEIntegrator` as its second argument.
 """
-function get_initial_values(prob::ODEProblem, integrator, f, alg::CheckInit,
+function get_initial_values(prob::AbstractODEProblem, integrator, f, alg::CheckInit,
         isinplace::Union{Val{true}, Val{false}}; kwargs...)
     u0 = state_values(integrator)
     p = parameter_values(integrator)
@@ -135,7 +135,7 @@ function _evaluate_f_dae(integrator, f, isinplace::Val{false}, args...)
     return f(args...)
 end
 
-function get_initial_values(prob::DAEProblem, integrator, f, alg::CheckInit,
+function get_initial_values(prob::AbstractDAEProblem, integrator, f, alg::CheckInit,
         isinplace::Union{Val{true}, Val{false}}; kwargs...)
     u0 = state_values(integrator)
     p = parameter_values(integrator)

src/scimlfunctions.jl

@@ -401,7 +401,7 @@ numerically-defined functions.
 """
 struct ODEFunction{iip, specialize, F, TMM, Ta, Tt, TJ, JVP, VJP, JP, SP, TW, TWt, WP, TPJ,
     O, TCV,
-    SYS, ID<:OverrideInitData, NLP<:ODE_NLProbData} <: AbstractODEFunction{iip}
+    SYS, ID<:Union{Nothing, OverrideInitData}, NLP<:Union{Nothing, ODE_NLProbData}} <: AbstractODEFunction{iip}
     f::F
     mass_matrix::TMM
     analytic::Ta
@@ -522,8 +522,7 @@ information on generating the SplitFunction from this symbolic engine.
 """
 struct SplitFunction{
     iip, specialize, F1, F2, TMM, C, Ta, Tt, TJ, JVP, VJP, JP, WP, SP, TW, TWt,
-    TPJ, O,
-    TCV, SYS, ID<:OverrideInitData, NLP<:ODE_NLProbData} <: AbstractODEFunction{iip}
+    TPJ, O, TCV, SYS, ID<:Union{Nothing, OverrideInitData}, NLP<:Union{Nothing, ODE_NLProbData}} <: AbstractODEFunction{iip}
     f1::F1
     f2::F2
     mass_matrix::TMM