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PropertyT.jl
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remove iterator for FinField

This commit is contained in:
kalmarek 2018-07-31 10:19:06 +02:00
parent d3a228cfa7
commit 75c249abb8
1 changed files with 0 additions and 39 deletions
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39
src/OrbitDecomposition.jl
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@ -1,44 +1,5 @@
include("Projections.jl")
###############################################################################
#
# Iterator protocol for Nemo.FinField
#
###############################################################################
mutable struct FFEltsIter{T<:Generic.FinField}
all::Int
field::T
function FFEltsIter{T}(F::T) where {T}
return new(Int(characteristic(F)^degree(F)), F)
end
end
FFEltsIter(F::T) where {T<:Nemo.FinField} = FFEltsIter{T}(F)
import Base: start, next, done, eltype, length
Base.start(A::FFEltsIter) = (zero(A.field), 0)
Base.next(A::FFEltsIter, state) = next_ffelem(state...)
Base.done(A::FFEltsIter, state) = state[2] >= A.all
Base.eltype(::Type{FFEltsIter}) = elem_type(A.field)
Base.length(A::FFEltsIter) = A.all
function next_ffelem(f::Nemo.FinFieldElem, c::Int)
if c == 0
return (f, (f, 1))
elseif c == 1
f = one(parent(f))
return (f, (f, 2))
else
f = gen(parent(f))*f
return (f, (f, c+1))
end
end
import Nemo.elements
elements(F::Nemo.FinField) = FFEltsIter(F)
###############################################################################
#
# Orbit stuff