kalmar/Groups.jl
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Code Issues Releases Wiki Activity

remove .func field from autsymbol

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This commit is contained in:
kalmarek 2017-10-24 15:25:37 +02:00
parent 30f44cca71
commit 54e8eb0b43
2 changed files with 8 additions and 9 deletions
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13
src/AutGroup.jl
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@ -8,7 +8,6 @@ immutable AutSymbol <: GSymbol
str::String
pow::Int
ex::Expr
func::Function
end
typealias AutGroupElem GWord{AutSymbol}
@ -60,23 +59,23 @@ function subscriptify(n::Int)
end
function id_autsymbol()
return AutSymbol("(id)", 0, :(id()), identity)
return AutSymbol("(id)", 0, :(id()))
end
function rmul_autsymbol(i, j; pow::Int=1)
str = "ϱ"*subscriptify(i)*subscriptify(j)
return AutSymbol(str, pow, :(ϱ($i, $j, $pow)), ϱ(i, j, pow))
return AutSymbol(str, pow, :(ϱ($i, $j, $pow)))
end
function lmul_autsymbol(i, j; pow::Int=1)
str = "λ"*subscriptify(i)*subscriptify(j)
return AutSymbol(str, pow, :(λ($i, $j, $pow)), λ(i, j, pow))
return AutSymbol(str, pow, :(λ($i, $j, $pow)))
end
function flip_autsymbol(i; pow::Int=1)
str = "ɛ"*subscriptify(i)
pow = (2+pow%2)%2
return AutSymbol(str, pow, :(ɛ($i, $pow)), ɛ(i, pow))
return AutSymbol(str, pow, :(ɛ($i, $pow)))
end
function perm_autsymbol(p::perm; pow::Int=1)
@ -85,7 +84,7 @@ function perm_autsymbol(p::perm; pow::Int=1)
else
p = p^pow
str = "σ"*join([subscriptify(i) for i in p.d])
return AutSymbol(str, 1, :(σ($(p.d), 1)), σ(p, 1))
return AutSymbol(str, 1, :(σ($(p.d), 1)))
end
end
@ -200,7 +199,7 @@ function change_pow(s::AutSymbol, n::Int)
return s
else
warn("Changing power of an unknown type of symbol! $s")
return AutSymbol(s.str, n, s.ex, s.func)
return AutSymbol(s.str, n, s.ex)
end
end

4
test/AutGroup-tests.jl
View File

@ -5,7 +5,7 @@
@testset "AutSymbol" begin
@test_throws MethodError Groups.AutSymbol("a")
@test_throws MethodError Groups.AutSymbol("a", 1)
f = Groups.AutSymbol("a", 1, :(a()), v -> v)
f = Groups.AutSymbol("a", 1, :(a()))
@test isa(f, Groups.GSymbol)
@test isa(f, Groups.AutSymbol)
@test isa(Groups.perm_autsymbol(G([1,2,3,4])), Groups.AutSymbol)
@ -83,7 +83,7 @@
end
@testset "AutGroup/AutGroupElem constructors" begin
f = Groups.AutSymbol("a", 1, :(a()), v -> v)
f = Groups.AutSymbol("a", 1, :(a()))
@test isa(AutGroupElem(f), Groups.GWord)
@test isa(AutGroupElem(f), AutGroupElem)
@test isa(AutGroup(FreeGroup(3)), Nemo.Group)