diff options
Diffstat (limited to 'theories/NArith/BinNatDef.v')
| -rw-r--r-- | theories/NArith/BinNatDef.v | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/theories/NArith/BinNatDef.v b/theories/NArith/BinNatDef.v index 6aeeccaf5..befcf7929 100644 --- a/theories/NArith/BinNatDef.v +++ b/theories/NArith/BinNatDef.v @@ -325,8 +325,8 @@ Definition lxor n m := (** Shifts *) -Definition shiftl_nat (a:N) := nat_rect _ a (fun _ => double). -Definition shiftr_nat (a:N) := nat_rect _ a (fun _ => div2). +Definition shiftl_nat (a:N)(n:nat) := Nat.iter n double a. +Definition shiftr_nat (a:N)(n:nat) := Nat.iter n div2 a. Definition shiftl a n := match a with |