diff options
| author |  Pierre Boutillier <pierre.boutillier@pps.univ-paris-diderot.fr> | 2014-09-08 17:35:50 +0200 |
|---|---|---|
| committer |  Pierre Boutillier <pierre.boutillier@ens-lyon.org> | 2014-10-01 23:24:36 +0200 |
| commit | b9cbf680f13927340720d1d0f4938dcc6cd65d1f (patch) | |
| tree | 7cc258ea9458122d4e333f6cfa7af8a792242824 /theories/PArith/BinPosDef.v | |
| parent | f640bcbe834cef3559118a093f1a905cacdccc2f (diff) | |
eta contractions
Diffstat (limited to 'theories/PArith/BinPosDef.v')
| -rw-r--r-- | theories/PArith/BinPosDef.v | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/theories/PArith/BinPosDef.v b/theories/PArith/BinPosDef.v index 44b9e7d03..c10f323ff 100644 --- a/theories/PArith/BinPosDef.v +++ b/theories/PArith/BinPosDef.v @@ -482,8 +482,8 @@ Fixpoint lxor (p q:positive) : N := (** Shifts. NB: right shift of 1 stays at 1. *) -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_nat (p:positive) := nat_rect _ p (fun _ => xO). +Definition shiftr_nat (p:positive) := nat_rect _ p (fun _ => div2). Definition shiftl (p:positive)(n:N) := match n with |