Fix typos

Author: YingboMa

src/structural_transformation/codegen.jl

@@ -532,8 +532,8 @@ function ODAEProblem{iip}(
 
     defs = ModelingToolkit.mergedefaults(defs,parammap,ps)
     defs = ModelingToolkit.mergedefaults(defs,u0map,dvs)
-    u0 = varmap_to_vars(u0map, dvs; defaults=defs, tofloat=true)
-    p = varmap_to_vars(parammap, ps; defaults=defs, tofloat=!use_union, use_union)
+    u0 = ModelingToolkit.varmap_to_vars(u0map, dvs; defaults=defs, tofloat=true)
+    p = ModelingToolkit.varmap_to_vars(parammap, ps; defaults=defs, tofloat=!use_union, use_union)
 
     has_difference = any(isdifferenceeq, equations(sys))
     if has_continuous_events(sys)

src/systems/jumps/jumpsystem.jl

@@ -275,7 +275,10 @@ function DiscreteProblemExpr(sys::JumpSystem, u0map, tspan::Union{Tuple,Nothing}
                                     parammap=DiffEqBase.NullParameters();
                                     use_union=false,
                                     kwargs...)
+    dvs = states(sys)
+    ps = parameters(sys)
     defs = defaults(sys)
+
     u0 = varmap_to_vars(u0map, dvs; defaults=defs, tofloat=false)
     p = varmap_to_vars(parammap, ps; defaults=defs, tofloat=false, use_union)
     # identity function to make syms works