Modified eqvt_tac to avoid failure due to introduction rules
whose premises contain variables that do not occur in the
conclusion.
structure ROOT =
struct
structure Codegen =
struct
fun double_inc k =
IntInf.+ ((IntInf.* ((2 : IntInf.int), k)), (1 : IntInf.int));
end; (*struct Codegen*)
end; (*struct ROOT*)