fix imports/exports and Project.toml

Project.toml

@@ -7,22 +7,22 @@ version = "0.6.0"
 AbstractAlgebra = "c3fe647b-3220-5bb0-a1ea-a7954cac585d"
 GroupsCore = "d5909c97-4eac-4ecc-a3dc-fdd0858a4120"
 KnuthBendix = "c2604015-7b3d-4a30-8a26-9074551ec60a"
-LinearAlgebra = "37e2e46d-f89d-539d-b4ee-838fcccc9c8e"
 OrderedCollections = "bac558e1-5e72-5ebc-8fee-abe8a469f55d"
 Random = "9a3f8284-a2c9-5f02-9a11-845980a1fd5c"
 ThreadsX = "ac1d9e8a-700a-412c-b207-f0111f4b6c0d"
 
 [compat]
-AbstractAlgebra = "^0.13.0, ^0.14.0, ^0.15.0"
-KnuthBendix = "^0.2.0"
+AbstractAlgebra = "0.15, 0.16"
 GroupsCore = "^0.3"
+KnuthBendix = "^0.2.0"
 OrderedCollections = "1"
 ThreadsX = "^0.1.0"
-julia = "1.3, 1.4, 1.5"
+julia = "1.3, 1.4, 1.5, 1.6"
 
 [extras]
-Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
+AbstractAlgebra = "c3fe647b-3220-5bb0-a1ea-a7954cac585d"
 BenchmarkTools = "6e4b80f9-dd63-53aa-95a3-0cdb28fa8baf"
+Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
 
 [targets]
-test = ["Test", "BenchmarkTools"]
+test = ["Test", "BenchmarkTools", "AbstractAlgebra"]

src/Groups.jl

@@ -9,7 +9,7 @@ import Random
 
 import OrderedCollections: OrderedSet
 
-export AutomorphismGroup, FreeGroup, FreeGroup, FPGroup, FPGroupElement, SpecialAutomorphismGroup
+export Alphabet, AutomorphismGroup, FreeGroup, FreeGroup, FPGroup, FPGroupElement, SpecialAutomorphismGroup
 export alphabet, evaluate, word
 
 include("types.jl")

src/autgroups.jl

@@ -105,4 +105,3 @@ function evaluate!(
 end
 
 evaluate!(t::NTuple{N, T}, s::GSymbol, A, tmp=one(first(t))) where {N, T} = throw("you need to implement `evaluate!(::$(typeof(t)), ::$(typeof(s)), ::Alphabet, tmp=one(first(t)))`")
-

src/groups/sautFn.jl

@@ -3,7 +3,7 @@ include("gersten_relations.jl")
 
 function SpecialAutomorphismGroup(F::FreeGroup; ordering = KnuthBendix.LenLex, kwargs...)
 
-    n = length(KnuthBendix.alphabet(F)) ÷ 2
+    n = length(alphabet(F)) ÷ 2
     A, rels = gersten_relations(n, commutative = false)
     S = KnuthBendix.letters(A)[1:2(n^2-n)]
 
@@ -15,6 +15,6 @@ end
 KnuthBendix.alphabet(G::AutomorphismGroup{<:FreeGroup}) = alphabet(rewriting(G))
 
 function relations(G::AutomorphismGroup{<:FreeGroup})
-    n = length(KnuthBendix.alphabet(object(G))) ÷ 2
+    n = length(alphabet(object(G))) ÷ 2
     return last(gersten_relations(n, commutative = false))
 end

src/types.jl

@@ -1,11 +1,3 @@
-using GroupsCore
-# using Groups
-# import Groups.AbstractFPGroup
-import KnuthBendix
-import KnuthBendix: AbstractWord, Alphabet, Word, RewritingSystem
-import KnuthBendix: alphabet
-using Random
-
 ## "Abstract" definitions
 
 """
@@ -192,7 +184,7 @@ function FPGroup(
         @assert parent(lhs) === parent(rhs) === G
     end
     word_rels = [word(lhs) => word(rhs) for (lhs, rhs) in [relations(G); rels]]
-    rws = RewritingSystem(word_rels, O)
+    rws = KnuthBendix.RewritingSystem(word_rels, O)
 
     KnuthBendix.knuthbendix!(rws; kwargs...)
 

test/AutFn.jl

@@ -146,8 +146,8 @@
 
     @testset "GroupsCore conformance" begin
         test_Group_interface(A)
-        g = A(rand(1:length(KnuthBendix.alphabet(A)), 10))
-        h = A(rand(1:length(KnuthBendix.alphabet(A)), 10))
+        g = A(rand(1:length(alphabet(A)), 10))
+        h = A(rand(1:length(alphabet(A)), 10))
 
         test_GroupElement_interface(g, h)
     end

test/runtests.jl

@@ -2,7 +2,7 @@ using Test
 import AbstractAlgebra
 using Groups
 
-using KnuthBendix
+import KnuthBendix: Word
 
 using GroupsCore
 include(joinpath(pathof(GroupsCore), "..", "..", "test", "conformance_test.jl"))