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(** THIS FILE WAS AUTOMATICALLY GENERATED BY AENEAS *)
(** [loops] *)
Require Import Primitives.
Import Primitives.
Require Import Coq.ZArith.ZArith.
Local Open Scope Primitives_scope.
Module Loops.
(** [loops::sum] *)
Fixpoint sum_loop_fwd (n : nat) (max : u32) (i : u32) (s : u32) : result u32 :=
match n with
| O => Fail_ OutOfFuel
| S n0 =>
if i s< max
then (s0 <- u32_add s i; i0 <- u32_add i 1%u32; sum_loop_fwd n0 max i0 s0)
else u32_mul s 2%u32
end
.
(** [loops::sum] *)
Definition sum_fwd (n : nat) (max : u32) : result u32 :=
sum_loop_fwd n max (0%u32) (0%u32)
.
(** [loops::List] *)
Inductive List_t (T : Type) :=
| ListCons : T -> List_t T -> List_t T
| ListNil : List_t T
.
Arguments ListCons {T} _ _.
Arguments ListNil {T}.
(** [loops::list_nth_mut_loop] *)
Fixpoint list_nth_mut_loop_loop_fwd
(T : Type) (n : nat) (ls : List_t T) (i : u32) : result T :=
match n with
| O => Fail_ OutOfFuel
| S n0 =>
match ls with
| ListCons x tl =>
if i s= 0%u32
then Return x
else (i0 <- u32_sub i 1%u32; list_nth_mut_loop_loop_fwd T n0 tl i0)
| ListNil => Fail_ Failure
end
end
.
(** [loops::list_nth_mut_loop] *)
Definition list_nth_mut_loop_fwd
(T : Type) (n : nat) (ls : List_t T) (i : u32) : result T :=
list_nth_mut_loop_loop_fwd T n ls i
.
(** [loops::list_nth_mut_loop] *)
Fixpoint list_nth_mut_loop_loop_back
(T : Type) (n : nat) (ls : List_t T) (i : u32) (ret : T) :
result (List_t T)
:=
match n with
| O => Fail_ OutOfFuel
| S n0 =>
match ls with
| ListCons x tl =>
if i s= 0%u32
then Return (ListCons ret tl)
else (
i0 <- u32_sub i 1%u32;
l <- list_nth_mut_loop_loop_back T n0 tl i0 ret;
Return (ListCons x l))
| ListNil => Fail_ Failure
end
end
.
(** [loops::list_nth_mut_loop] *)
Definition list_nth_mut_loop_back
(T : Type) (n : nat) (ls : List_t T) (i : u32) (ret : T) :
result (List_t T)
:=
list_nth_mut_loop_loop_back T n ls i ret
.
End Loops .
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