up

Author: vyudu

src/systems/diffeqs/odesystem.jl

@@ -202,7 +202,6 @@ struct ODESystem <: AbstractODESystem
             check_parameters(ps, iv)
             check_equations(deqs, iv)
             check_equations(equations(cevents), iv)
-            check_var_types(ODESystem, dvs)
         end
         if checks == true || (checks & CheckUnits) > 0
             u = __get_unit_type(dvs, ps, iv)

src/systems/diffeqs/sdesystem.jl

@@ -170,7 +170,6 @@ struct SDESystem <: AbstractODESystem
             check_parameters(ps, iv)
             check_equations(deqs, iv)
             check_equations(neqs, dvs)
-            check_var_types(SDESystem, dvs)
             if size(neqs, 1) != length(deqs)
                 throw(ArgumentError("Noise equations ill-formed. Number of rows must match number of drift equations. size(neqs,1) = $(size(neqs,1)) != length(deqs) = $(length(deqs))"))
             end

src/utils.jl

@@ -155,18 +155,6 @@ function check_variables(dvs, iv)
     end
 end
 
-function check_var_types(sys_type::Type{T}, dvs) where T <: AbstractSystem
-    # if any(u -> !(symtype(u) <: Number || eltype(symtype(u)) <: Number), dvs)
-    #     error("The type of unknown variables must be a numeric type.")
-    # elseif any(u -> (eltype(symtype(u)) !== eltype(symtype(dvs[1]))), dvs)
-    #     error("The element type of all the unknown variables in a system must all be the same.")
-    if sys_type == ODESystem || sys_type == SDESystem || sys_type == PDESystem
-        for var in dvs
-            !(symtype(var) === Real || eltype(symtype(var)) === Real) && throw(ArgumentError("Differential variable $var has type $(symtype(var)). The type of unknown variables for an SDESystem, PDESystem, or ODESystem should be Real."))
-        end
-    end
-end
-
 function check_lhs(eq::Equation, op, dvs::Set)
     v = unwrap(eq.lhs)
     _iszero(v) && return