diff options
Diffstat (limited to 'theories/Numbers/Cyclic/DoubleCyclic/DoubleBase.v')
| -rw-r--r-- | theories/Numbers/Cyclic/DoubleCyclic/DoubleBase.v | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/theories/Numbers/Cyclic/DoubleCyclic/DoubleBase.v b/theories/Numbers/Cyclic/DoubleCyclic/DoubleBase.v index 41a1d8ba..e68cd033 100644 --- a/theories/Numbers/Cyclic/DoubleCyclic/DoubleBase.v +++ b/theories/Numbers/Cyclic/DoubleCyclic/DoubleBase.v @@ -1,6 +1,6 @@ (************************************************************************) (* v * The Coq Proof Assistant / The Coq Development Team *) -(* <O___,, * INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2014 *) +(* <O___,, * INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2015 *) (* \VV/ **************************************************************) (* // * This file is distributed under the terms of the *) (* * GNU Lesser General Public License Version 2.1 *) @@ -149,9 +149,9 @@ Section DoubleBase. Notation "[| x |]" := (w_to_Z x) (at level 0, x at level 99). Notation "[[ x ]]" := (ww_to_Z x) (at level 0, x at level 99). Notation "[+[ c ]]" := - (interp_carry 1 wwB ww_to_Z c) (at level 0, x at level 99). + (interp_carry 1 wwB ww_to_Z c) (at level 0, c at level 99). Notation "[-[ c ]]" := - (interp_carry (-1) wwB ww_to_Z c) (at level 0, x at level 99). + (interp_carry (-1) wwB ww_to_Z c) (at level 0, c at level 99). Notation "[! n | x !]" := (double_to_Z n x) (at level 0, x at level 99). Variable spec_w_0 : [|w_0|] = 0. @@ -287,7 +287,7 @@ Section DoubleBase. Lemma double_wB_wwB : forall n, double_wB n * double_wB n = double_wB (S n). Proof. intros n;unfold double_wB;simpl. - unfold base. rewrite Pshiftl_nat_S, (Pos2Z.inj_xO (_ << _)). + unfold base. rewrite (Pos2Z.inj_xO (_ << _)). replace (2 * Zpos (w_digits << n)) with (Zpos (w_digits << n) + Zpos (w_digits << n)) by ring. symmetry; apply Zpower_exp;intro;discriminate. |