diff options
| author |  Pierre-Marie Pédrot <pierre-marie.pedrot@inria.fr> | 2017-09-09 21:47:17 +0200 |
|---|---|---|
| committer | Pierre-Marie Pédrot <pierre-marie.pedrot@inria.fr> | 2017-09-28 16:51:21 +0200 |
| commit | d28304f6ba18ad9527a63cd01b39a5ad27526845 (patch) | |
| tree | ddd8c5d10f0d1e52c675e8e027053fac7f05f259 /plugins/micromega | |
| parent | b9740771e8113cb9e607793887be7a12587d0326 (diff) | |
Efficient fresh name generation relying on sets.
The old algorithm was relying on list membership, which is O(n). This was
nefarious for terms with many binders. We use instead sets in O(log n).
Diffstat (limited to 'plugins/micromega')
| -rw-r--r-- | plugins/micromega/coq_micromega.ml | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/plugins/micromega/coq_micromega.ml b/plugins/micromega/coq_micromega.ml index a4103634e..fc6781b06 100644 --- a/plugins/micromega/coq_micromega.ml +++ b/plugins/micromega/coq_micromega.ml @@ -1986,7 +1986,7 @@ let micromega_gen let intro_vars = Tacticals.New.tclTHENLIST (List.map intro vars) in let intro_props = Tacticals.New.tclTHENLIST (List.map intro props) in let ipat_of_name id = Some (Loc.tag @@ Misctypes.IntroNaming (Misctypes.IntroIdentifier id)) in - let goal_name = fresh_id [] (Names.Id.of_string "__arith") gl in + let goal_name = fresh_id Id.Set.empty (Names.Id.of_string "__arith") gl in let env' = List.map (fun (id,i) -> EConstr.mkVar id,i) vars in let tac_arith = Tacticals.New.tclTHENLIST [ intro_props ; intro_vars ; @@ -2101,7 +2101,7 @@ let micromega_genr prover tac = let intro_vars = Tacticals.New.tclTHENLIST (List.map intro vars) in let intro_props = Tacticals.New.tclTHENLIST (List.map intro props) in let ipat_of_name id = Some (Loc.tag @@ Misctypes.IntroNaming (Misctypes.IntroIdentifier id)) in - let goal_name = fresh_id [] (Names.Id.of_string "__arith") gl in + let goal_name = fresh_id Id.Set.empty (Names.Id.of_string "__arith") gl in let env' = List.map (fun (id,i) -> EConstr.mkVar id,i) vars in let tac_arith = Tacticals.New.tclTHENLIST [ intro_props ; intro_vars ; |