diff options
Diffstat (limited to 'BFF.agda')
| -rw-r--r-- | BFF.agda | 17 |
1 files changed, 10 insertions, 7 deletions
@@ -30,18 +30,21 @@ module PartialVecBFF (A : DecSetoid ℓ₀ ℓ₀) where enumerate : {n : ℕ} → Vec Carrier n → Vec (Fin n) n enumerate _ = tabulate id + enumeratel : (n : ℕ) → Vec (Fin n) n + enumeratel _ = tabulate id + denumerate : {n : ℕ} → Vec Carrier n → Fin n → Carrier denumerate = flip lookupV - - bff : (G : Get) → ({i : Get.|I| G} → Vec Carrier (Get.|gl₁| G i) → Vec Carrier (Get.|gl₂| G i) → Maybe (Vec Carrier (Get.|gl₁| G i))) - bff G s v = let s′ = enumerate s + bff : (G : Get) → {i : Get.|I| G} → (j : Get.|I| G) → Vec Carrier (Get.|gl₁| G i) → Vec Carrier (Get.|gl₂| G j) → Maybe (Vec Carrier (Get.|gl₁| G j)) + bff G i s v = let s′ = enumerate s t′ = Get.get G s′ g = fromFunc (denumerate s) g′ = delete-many t′ g - h = assoc t′ v - h′ = (flip union g′) <$> h - in h′ >>= flip mapMV s′ ∘ flip lookupV + t = enumeratel (Get.|gl₁| G i) + h = assoc (Get.get G t) v + h′ = (flip union (reshape g′ (Get.|gl₁| G i))) <$> h + in h′ >>= flip mapMV t ∘ flip lookupM module VecBFF (A : DecSetoid ℓ₀ ℓ₀) where open GetTypes.VecVec public using (Get) @@ -50,5 +53,5 @@ module VecBFF (A : DecSetoid ℓ₀ ℓ₀) where open PartialVecBFF A public using (assoc ; enumerate ; denumerate) - bff : (G : Get) → ({n : ℕ} → Vec Carrier n → Vec Carrier (Get.getlen G n) → Maybe (Vec Carrier n)) + bff : (G : Get) → {n : ℕ} → (m : ℕ) → Vec Carrier n → Vec Carrier (Get.getlen G m) → Maybe (Vec Carrier m) bff G = PartialVecBFF.bff A (VecVec-to-PartialVecVec G) |