Move Orbit related functions to OrbitDecomposition.jl
This commit is contained in:
parent
72ea3f5e0a
commit
fbfa968e78
23
Orb_AutFN.jl
23
Orb_AutFN.jl
@ -31,29 +31,6 @@ sparsify{T}(U::AbstractArray{T}, eps=eps(T)) = sparsify!(deepcopy(U), eps)
|
||||
|
||||
small_to_zero!{T}(A::AbstractArray{T}, eps=eps(T)) = A[abs(A) .< eps] = zero(T)
|
||||
|
||||
function orbit_spvector(vect::AbstractVector, orbits)
|
||||
orb_vector = spzeros(length(orbits))
|
||||
|
||||
for (i,o) in enumerate(orbits)
|
||||
k = vect[collect(o)]
|
||||
val = k[1]
|
||||
@assert all(k .== val)
|
||||
orb_vector[i] = val
|
||||
end
|
||||
|
||||
return orb_vector
|
||||
end
|
||||
|
||||
function orbit_constraint(cnstrs::Vector{Vector{Vector{Int64}}}, n)
|
||||
result = spzeros(n,n)
|
||||
for cnstr in cnstrs
|
||||
for p in cnstr
|
||||
result[p[1],p[2]] += 1.0
|
||||
end
|
||||
end
|
||||
return 1/length(cnstrs)*result
|
||||
end
|
||||
|
||||
function init_model(Uπs)
|
||||
m = JuMP.Model();
|
||||
l = size(Uπs,1)
|
||||
|
@ -65,6 +65,11 @@ function (p::Nemo.perm)(A::Nemo.MatElem)
|
||||
return R(Nemo.matrix_repr(p))*A*R(Nemo.matrix_repr(inv_p))
|
||||
end
|
||||
|
||||
###############################################################################
|
||||
#
|
||||
# Orbit stuff
|
||||
#
|
||||
###############################################################################
|
||||
|
||||
function orbit_decomposition(G::Nemo.Group, E::Vector, rdict=GroupRings.reverse_dict(E))
|
||||
|
||||
@ -88,11 +93,27 @@ function orbit_decomposition(G::Nemo.Group, E::Vector, rdict=GroupRings.reverse_
|
||||
return orbits
|
||||
end
|
||||
|
||||
function orbit_spvector(vect::AbstractVector, orbits)
|
||||
orb_vector = spzeros(length(orbits))
|
||||
|
||||
for (i,o) in enumerate(orbits)
|
||||
k = vect[collect(o)]
|
||||
val = k[1]
|
||||
@assert all(k .== val)
|
||||
orb_vector[i] = val
|
||||
end
|
||||
|
||||
return orb_vector
|
||||
end
|
||||
|
||||
function orbit_constraint(cnstrs::Vector{Vector{Vector{Int64}}}, n)
|
||||
result = spzeros(n,n)
|
||||
for cnstr in cnstrs
|
||||
for p in cnstr
|
||||
result[p[1],p[2]] += 1.0
|
||||
end
|
||||
end
|
||||
return 1/length(cnstrs)*result
|
||||
end
|
||||
|
||||
###############################################################################
|
||||
|
Loading…
Reference in New Issue
Block a user