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Fixed integer absolute value handling #75

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Fixed integer absolute value handling #75

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9 changes: 8 additions & 1 deletion Auto/Translation/LamReif.lean
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Original file line number Diff line number Diff line change
Expand Up @@ -1214,7 +1214,6 @@ def reifMapLam0Arg2NoLit : Std.HashMap (Name × Name) (Expr × LamTerm) :=
Std.HashMap.ofList [
((``NatCast.natCast, ``Int), (.const ``Int.ofNat [], .base .iofNat)),
((``Neg.neg, ``Int), (.const ``Int.neg [], .base .ineg)),
((`Abs.abs, ``Int), (.const ``Int.abs [], .base .iabs)),
((``LE.le, ``Nat), (.const ``Nat.le [], .base .nle)),
((``LE.le, ``Int), (.const ``Int.le [], .base .ile)),
((``LE.le, ``String), (.const ``String.le [], .base .sle)),
Expand Down Expand Up @@ -1381,6 +1380,14 @@ def processLam0Arg3 (e fn arg₁ arg₂ _arg₃ : Expr) : MetaM (Option LamTerm)
return .some (.base (.bvVal n nv))
return .none
| _ => return .none
| .const `abs _ =>
match arg₁ with
| .const ``Int _ =>
if (← Meta.isDefEqD fn (.const `abs [.zero])) then
return .some (.base .iabs)
else
return .none
| _ => return .none
| _ => return .none

def processLam0Arg4 (e fn arg₁ arg₂ _arg₃ _arg₄ : Expr) : MetaM (Option LamTerm) := do
Expand Down