Always convert for thready safety

Author: Vaibhavdixit02

src/function/function.jl

@@ -50,9 +50,9 @@ function instantiate_function(f, x, ::AbstractADType, p, num_cons = 0)
     cons   = f.cons   === nothing ? nothing : (x)->f.cons(x,p)
     cons_j = f.cons_j === nothing ? nothing : (res,x)->f.cons_j(res,x,p)
     cons_h = f.cons_h === nothing ? nothing : (res,x)->f.cons_h(res,x,p)
-    hess_prototype = f.hess_prototype === nothing ? nothing : (!(eltype(f.hess_prototype) == eltype(x)) ? convert.(eltype(x), f.hess_prototype) : f.hess_prototype)
-    cons_jac_prototype = f.cons_jac_prototype === nothing ? nothing : (!(eltype(f.cons_jac_prototype) == eltype(x)) ? convert.(eltype(x), f.cons_jac_prototype) : f.cons_jac_prototype)
-    cons_hess_prototype = f.cons_hess_prototype === nothing ? nothing : (!(eltype(f.cons_hess_prototype) == eltype(x)) ? convert.(eltype(x), f.cons_hess_prototype) : f.cons_hess_prototype)
+    hess_prototype = f.hess_prototype === nothing ? nothing : convert.(eltype(x), f.hess_prototype)
+    cons_jac_prototype = f.cons_jac_prototype === nothing ? nothing : convert.(eltype(x), f.cons_jac_prototype)
+    cons_hess_prototype = f.cons_hess_prototype === nothing ? nothing : convert.(eltype(x), f.cons_hess_prototype)
     expr = symbolify(f.expr)
     cons_expr = symbolify.(f.cons_expr)