diff options
| author | Laurent Théry | 2018-09-21 16:41:55 +0200 |
|---|---|---|
| committer | GitHub | 2018-09-21 16:41:55 +0200 |
| commit | 9b8499178e7ce58c576a81c73f1cc23c74ed8aee (patch) | |
| tree | 66392b730341fe94ba9b8efeb9317261c97e9a2f | |
| parent | 508265318ad39d2962587af4e10f79f4cf4cf4c6 (diff) | |
| parent | f5e33af81f56253ba777cde96831ef23f25addba (diff) | |
Merge pull request #8462 from vbgl/zify-colonequal
Zify: replace local definitions by equations
| -rw-r--r-- | plugins/omega/PreOmega.v | 4 | ||||
| -rw-r--r-- | test-suite/success/ROmega4.v | 6 |
2 files changed, 7 insertions, 3 deletions
diff --git a/plugins/omega/PreOmega.v b/plugins/omega/PreOmega.v index 59fd9b8017..094adfda7a 100644 --- a/plugins/omega/PreOmega.v +++ b/plugins/omega/PreOmega.v @@ -85,6 +85,7 @@ Ltac zify_binop t thm a b:= Ltac zify_op_1 := match goal with + | x := ?t : Z |- _ => let h := fresh "heq_" x in pose proof (eq_refl : x = t) as h; clearbody x | |- context [ Z.max ?a ?b ] => zify_binop Z.max Z.max_spec a b | H : context [ Z.max ?a ?b ] |- _ => zify_binop Z.max Z.max_spec a b | |- context [ Z.min ?a ?b ] => zify_binop Z.min Z.min_spec a b @@ -114,6 +115,7 @@ Ltac hide_Z_of_nat t := Ltac zify_nat_rel := match goal with (* I: equalities *) + | x := ?t : nat |- _ => let h := fresh "heq_" x in pose proof (eq_refl : x = t) as h; clearbody x | |- (@eq nat ?a ?b) => apply (Nat2Z.inj a b) (* shortcut *) | H : context [ @eq nat ?a ?b ] |- _ => rewrite <- (Nat2Z.inj_iff a b) in H | |- context [ @eq nat ?a ?b ] => rewrite <- (Nat2Z.inj_iff a b) @@ -223,6 +225,7 @@ Ltac hide_Zpos t := Ltac zify_positive_rel := match goal with (* I: equalities *) + | x := ?t : positive |- _ => let h := fresh "heq_" x in pose proof (eq_refl : x = t) as h; clearbody x | |- (@eq positive ?a ?b) => apply Pos2Z.inj | H : context [ @eq positive ?a ?b ] |- _ => rewrite <- (Pos2Z.inj_iff a b) in H | |- context [ @eq positive ?a ?b ] => rewrite <- (Pos2Z.inj_iff a b) @@ -348,6 +351,7 @@ Ltac hide_Z_of_N t := Ltac zify_N_rel := match goal with (* I: equalities *) + | x := ?t : N |- _ => let h := fresh "heq_" x in pose proof (eq_refl : x = t) as h; clearbody x | |- (@eq N ?a ?b) => apply (N2Z.inj a b) (* shortcut *) | H : context [ @eq N ?a ?b ] |- _ => rewrite <- (N2Z.inj_iff a b) in H | |- context [ @eq N ?a ?b ] => rewrite <- (N2Z.inj_iff a b) diff --git a/test-suite/success/ROmega4.v b/test-suite/success/ROmega4.v index 58ae5b8fb8..a724592749 100644 --- a/test-suite/success/ROmega4.v +++ b/test-suite/success/ROmega4.v @@ -3,12 +3,12 @@ See also #148 for the corresponding improvement in Omega. *) -Require Import ZArith ROmega. +Require Import ZArith Lia. Open Scope Z. Goal let x := 3 in x = 3. intros. -romega. +lia. Qed. (** Example seen in #4132 @@ -22,5 +22,5 @@ Lemma foo (H : - zxy' <= zxy) (H' : zxy' <= x') : - b <= zxy. Proof. -romega. +lia. Qed. |