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fix elem_types: they dispatch on TYPE of parent

This commit is contained in:
kalmarek 2018-07-30 14:07:42 +02:00
parent 1783ba5065
commit 78abdc3181
3 changed files with 6 additions and 7 deletions

View File

@ -102,8 +102,8 @@ end
#
###############################################################################
elem_type(G::DirectProductGroup{T}) where {T} =
DirectProductGroupElem{elem_type(G.group)}
elem_type(::Type{DirectProductGroup{T}}) where {T} =
DirectProductGroupElem{elem_type(T)}
parent_type(::Type{DirectProductGroupElem{T}}) where {T} =
DirectProductGroup{parent_type(T)}

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@ -13,8 +13,7 @@ FreeGroupElem = GroupWord{FreeSymbol}
mutable struct FreeGroup <: AbstractFPGroup
gens::Vector{FreeSymbol}
# order::Vector{T}
# fastmult_table::Array{Int,2}
function FreeGroup{T<:GSymbol}(gens::Vector{T})
G = new(gens)
G.gens = gens
@ -30,9 +29,9 @@ export FreeGroupElem, FreeGroup
#
###############################################################################
parent_type(::Type{FreeGroupElem}) = FreeGroup
elem_type(::Type{FreeGroup}) = FreeGroupElem
elem_type(::FreeGroup) = FreeGroupElem
parent_type(::Type{FreeGroupElem}) = FreeGroup
###############################################################################
#

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@ -49,7 +49,7 @@ end
#
###############################################################################
elem_type(::WreathProduct{T, I}) where {T, I} = WreathProductElem{elem_type(T), I}
elem_type(::Type{WreathProduct{T, I}}) where {T, I} = WreathProductElem{elem_type(T), I}
parent_type(::Type{WreathProductElem{T, I}}) where {T, I} =
WreathProduct{parent_type(T), I}