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parametrize Settings by {Symmetric, Naive}
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111
src/PropertyT.jl
111
src/PropertyT.jl
@ -21,31 +21,36 @@ import MathProgBase.SolverInterface.AbstractMathProgSolver
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struct Symmetrize end
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struct Naive end
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mutable struct Settings{Gr<:Group, GEl<:GroupElem, Sol<:AbstractMathProgSolver}
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struct Settings{T} where T<:Union{Symmetrize, Naive}
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name::String
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G::Gr
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S::Vector{GEl}
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G::Group
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S::Vector{GroupElem}
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radius::Int
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solver::Sol
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solver::AbstractMathProgSolver
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upper_bound::Float64
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tol::Float64
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warmstart::Bool
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autS::Group
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function Settings(name, G::Gr, S::Vector{GEl}, r::Int,
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sol::Sol, ub, tol, ws) where {Gr, GEl, Sol}
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return new{Gr, GEl, Sol}(name, G, S, r, sol, ub, tol, ws)
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function Settings(name::String,
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G::Group, S::Vector{GEl}, r::Int,
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sol::Sol, ub, tol, ws) where
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{GEl<:GroupElem, Sol<:AbstractMathProgSolver}
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return new{Naive}(name, G, S, r, sol, ub, tol, ws)
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end
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function Settings(name, G::Gr, S::Vector{GEl}, r::Int,
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sol::Sol, ub, tol, ws, autS) where {Gr, GEl, Sol}
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return new{Gr, GEl, Sol}(name, G, S, r, sol, ub, tol, ws, autS)
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function Settings(name::String,
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G::Group, S::Vector{GEl}, r::Int,
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sol::Sol, ub, tol, ws, autS) where {Gr, GEl, Sol}
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return new{Symmetrize}(name, G, S, r, sol, ub, tol, ws, autS)
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end
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end
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prefix(s::Settings) = s.name
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prefix(s::Settings{Naive}) = s.name
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prefix(s::Settings{Symmetrize}) = "o"*s.name
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suffix(s::Settings) = "$(s.upper_bound)"
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prepath(s::Settings) = prefix(s)
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fullpath(s::Settings) = joinpath(prefix(s), suffix(s))
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@ -72,57 +77,53 @@ filename(prefix, s::Symbol) = filename(prefix, Val{s})
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end
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end
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for T in [:Naive, :Symmetrize]
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@eval begin
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function check_property_T(::Type{$T}, sett::Settings)
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function check_property_T(sett::Settings{$T})
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if exists(filename(prepath(sett),:pm)) &&
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exists(filename(prepath(sett),:Δ))
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# cached
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Δ = loadLaplacian(prepath(sett), parent(sett.S[1]))
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else
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# compute
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Δ = computeLaplacian(sett.S, sett.radius)
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save(filename(prepath(sett), :pm), "pm", parent(Δ).pm)
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save(filename(prepath(sett), :Δ), "Δ", Δ.coeffs)
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end
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if exists(filename(prepath(sett),:pm)) &&
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exists(filename(prepath(sett),:Δ))
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# cached
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Δ = loadLaplacian(prepath(sett), parent(sett.S[1]))
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else
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# compute
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Δ = computeLaplacian(sett.S, sett.radius)
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save(filename(prepath(sett), :pm), "pm", parent(Δ).pm)
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save(filename(prepath(sett), :Δ), "Δ", Δ.coeffs)
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end
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files_exist = exists(filename(fullpath(sett), :λ)) &&
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exists(filename(fullpath(sett), :P))
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files_exist = exists(filename(fullpath(sett), :λ)) &&
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exists(filename(fullpath(sett), :P))
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if !sett.warmstart && files_exist
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λ, P = loadλandP(fullpath(sett))
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else
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warmfile = filename(fullpath(sett), :warm)
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if sett.warmstart && exists(warmfile)
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ws = load(warmfile, "warmstart")
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else
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ws = nothing
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end
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if !sett.warmstart && files_exist
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λ, P = loadλandP(fullpath(sett))
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else
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warmfile = filename(fullpath(sett), :warm)
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if sett.warmstart && exists(warmfile)
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ws = load(warmfile, "warmstart")
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else
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ws = nothing
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end
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λ, P, ws = computeλandP($T, Δ, sett,
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solverlog=filename(fullpath(sett), :solverlog))
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saveλandP(fullpath(sett), λ, P, ws)
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λ, P, ws = computeλandP(sett, Δ,
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solverlog=filename(fullpath(sett), :solverlog))
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saveλandP(fullpath(sett), λ, P, ws)
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if λ < 0
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warn("Solver did not produce a valid solution!")
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end
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end
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info("λ = $λ")
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info("sum(P) = $(sum(P))")
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info("maximum(P) = $(maximum(P))")
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info("minimum(P) = $(minimum(P))")
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isapprox(eigvals(P), abs.(eigvals(P)), atol=sett.tol) ||
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warn("The solution matrix doesn't seem to be positive definite!")
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@time Q = real(sqrtm((P+P')/2))
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sgap = distance_to_cone(Δ, λ, Q, wlen=2*sett.radius)
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return interpret_results(sett, sgap)
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if λ < 0
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warn("Solver did not produce a valid solution!")
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end
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end
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info("λ = $λ")
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info("sum(P) = $(sum(P))")
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info("maximum(P) = $(maximum(P))")
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info("minimum(P) = $(minimum(P))")
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isapprox(eigvals(P), abs.(eigvals(P)), atol=sett.tol) ||
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warn("The solution matrix doesn't seem to be positive definite!")
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@time Q = real(sqrtm((P+P')/2))
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sgap = distance_to_cone(Δ, λ, Q, wlen=2*sett.radius)
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return interpret_results(sett, sgap)
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end
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Kazhdan(λ::Number, N::Integer) = sqrt(2*λ/N)
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@ -62,7 +62,8 @@ end
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#
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###############################################################################
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function computeλandP(::Type{Naive}, Δ::GroupRingElem, sett::Settings, ws=nothing; solverlog=tempname()*".log")
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function computeλandP(sett::Settings{Naive},
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Δ::GroupRingElem, ws=nothing; solverlog=tempname()*".log")
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info("Creating SDP problem...")
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SDP_problem, varλ, varP = SOS_problem(Δ^2, Δ, upper_bound=sett.upper_bound)
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JuMP.setsolver(SDP_problem, sett.solver)
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@ -73,7 +74,8 @@ function computeλandP(::Type{Naive}, Δ::GroupRingElem, sett::Settings, ws=noth
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return λ, P, ws
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end
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function computeλandP(::Type{Symmetrize}, Δ::GroupRingElem, sett::Settings, ws=nothing; solverlog=tempname()*".log")
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function computeλandP(sett::Settings{Symmetrize},
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Δ::GroupRingElem, ws=nothing; solverlog=tempname()*".log")
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pdir = prepath(sett)
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files_exist = exists(filename(pdir,:Uπs)) && exists(filename(pdir,:orbits)) && exists(filename(pdir,:preps))
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