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[do not merge] profiling for lia in bsearch.v #98

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[do not merge] profiling for lia in bsearch.v #98

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8f791df
profiling for lia in bsearch.v
samuelgruetter Sep 19, 2019
e5753ab
in lia preprocessing, replace Z.div_to_equations by Z.div_mod_to_equa…
samuelgruetter Sep 19, 2019
05131f2
add cond_hyps_factor trick by @thery, the lia goals which previously …
samuelgruetter Sep 19, 2019
21f0b06
go back from Z.div_mod_to_equations to Z.div_to_equations, cond_hyps_…
samuelgruetter Sep 19, 2019
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10 changes: 9 additions & 1 deletion bedrock2/src/Examples/bsearch.v
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Original file line number Diff line number Diff line change
Expand Up @@ -130,7 +130,12 @@ Ltac lia3 :=
| |- _ => lia2
end.

Ltac lia4 := PreOmega.zify; rewrite ?Z2Nat.id in *; Z.div_to_equations; blia.
Ltac cond_hyps_factor :=
repeat match goal with
| [ H : ?x -> _, H' : ?x -> _ |- _ ] =>
pose proof (fun u : x => conj (H u) (H' u)); clear H H' end.

Ltac lia4 := PreOmega.zify; rewrite ?Z2Nat.id in *; Z.div_to_equations; cond_hyps_factor; blia.

Module Z.
Lemma mod_mul_l: forall (a b: Z), (b * a) mod b = 0.
Expand Down Expand Up @@ -233,6 +238,7 @@ Ltac unsigned_sidecond :=
wordOps_to_ZModArith;
repeat ZModArith_step ltac:(lia4).

Set Ltac Profiling.

Local Unset Simplex. (* COQBUG(9615) *)
Lemma bsearch_ok : program_logic_goal_for_function! bsearch.
Expand Down Expand Up @@ -306,3 +312,5 @@ Qed.
(* SortedListMap *)

Local Set Simplex.

Goal False. idtac "End of binary search profiling.". Abort.