kalmar/PropertyT.jl
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try/catch file loading

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kalmarek 2019-04-17 12:37:41 +02:00
parent 2a84d04edc
commit b5f12501f9
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1 changed files with 22 additions and 13 deletions
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src/1712.07167.jl
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@ -79,12 +79,14 @@ end
###############################################################################
function warmstart(sett::Settings)
if sett.warmstart && isfile(filename(sett, :warmstart))
try
ws = load(filename(sett, :warmstart), "warmstart")
else
ws = nothing
@info "Loaded $(filename(sett, :warmstart))."
return ws
catch
@info "Couldn't load $(filename(sett, :warmstart))."
return nothing
end
return ws
end
function approximate_by_SOS(sett::Naive,
@ -124,12 +126,17 @@ function approximate_by_SOS(sett::Symmetrized,
isdir(fullpath(sett)) || mkpath(fullpath(sett))
if !isfile(filename(sett, :OrbitData))
orbit_data = try
orbit_data = load(filename(sett, :OrbitData), "OrbitData")
@info "Loaded Orbit Data"
orbit_data
catch
isdefined(parent(orderunit), :basis) || throw("You need to define basis of Group Ring to compute orbit decomposition!")
orbit_data = OrbitData(parent(orderunit), sett.autS)
save(filename(sett, :OrbitData), "OrbitData", orbit_data)
orbit_data
end
orbit_data = load(filename(sett, :OrbitData), "OrbitData")
orbit_data = decimate(orbit_data)
@info "Creating SDP problem..."
@ -267,25 +274,27 @@ function spectral_gap(sett::Settings)
fp = PropertyT.fullpath(sett)
isdir(fp) || mkpath(fp)
if isfile(filename(sett,:Δ))
# cached
Δ = try
@info "Loading precomputed Δ..."
Δ = loadGRElem(filename(sett,:Δ), sett.G)
else
loadGRElem(filename(sett,:Δ), sett.G)
catch
# compute
Δ = Laplacian(sett.S, sett.radius)
saveGRElem(filename(sett, :Δ), Δ)
Δ
end
if !sett.warmstart && isfile(filename(sett, :solution))
λ, P = load(filename(sett, :solution), "λ", "P")
else
λ, P = try
sett.warmstart && error()
load(filename(sett, :solution), "λ", "P")
catch
λ, P = approximate_by_SOS(sett, Δ^2, Δ;
solverlog=filename(sett, :solverlog))
save(filename(sett, :solution), "λ", λ, "P", P)
λ < 0 && @warn "Solver did not produce a valid solution!"
λ, P
end
info_strs = ["Numerical metrics of matrix solution:",