got rid of alias_sample

JuliaPOMDP · May 20, 2017 · b3865c8 · b3865c8
1 parent 8af2299
commit b3865c8
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Showing 3 changed files with 3 additions and 22 deletions.
diff --git a/src/ParticleFilters.jl b/src/ParticleFilters.jl
@@ -9,6 +9,8 @@ import POMDPs: generate_s
 import POMDPs: implemented
 import Base: rand, mean, eltype
 
+using StatsBase
+
 export
     AbstractParticleBelief,
     ParticleCollection,
@@ -189,7 +191,6 @@ end
 include("beliefs.jl")
 include("updater.jl")
 include("resamplers.jl")
-include("alias_sample.jl")
 include("obs_weight.jl")
 
 end # module
diff --git a/src/alias_sample.jl b/src/alias_sample.jl
diff --git a/src/resamplers.jl b/src/resamplers.jl
@@ -4,7 +4,7 @@ function resample{S}(r::ImportanceResampler, b::WeightedParticleBelief{S}, rng::
         warn("Invalid weights in particle filter: weight_sum = $(weight_sum(b))")
     end
     #XXX this may break if StatsBase changes
-    alias_sample!(rng, particles(b), weights(b), weight_sum(b), ps)
+    StatsBase.alias_sample!(rng, particles(b), Weights(weights(b), weight_sum(b)), ps)
     return ParticleCollection(ps)
 end