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Diffstat (limited to 'theories/PArith/BinPosDef.v')
| -rw-r--r-- | theories/PArith/BinPosDef.v | 7 |
1 files changed, 2 insertions, 5 deletions
diff --git a/theories/PArith/BinPosDef.v b/theories/PArith/BinPosDef.v index cf7e450f4..9b6081176 100644 --- a/theories/PArith/BinPosDef.v +++ b/theories/PArith/BinPosDef.v @@ -478,11 +478,8 @@ Fixpoint lxor (p q:positive) : N := (** Shifts. NB: right shift of 1 stays at 1. *) -(* -Definition shiftl_nat (p:positive)(n:nat) := iter_nat n _ xO p. - -Definition shiftr_nat (p:positive)(n:nat) := iter_nat n _ div2 p. -*) +Definition shiftl_nat (p:positive)(n:nat) := nat_iter n xO p. +Definition shiftr_nat (p:positive)(n:nat) := nat_iter n div2 p. Definition shiftl (p:positive)(n:N) := match n with |