Fix default_accumulators internal type

Author: mhauru

src/default_accumulators.jl

@@ -143,10 +143,12 @@ function convert_eltype(::Type{T}, acc::LogLikelihoodAccumulator) where {T}
     return LogLikelihoodAccumulator(convert(T, acc.logp))
 end
 
-function default_accumulators()
+function default_accumulators(
+    ::Type{FloatT}=LogProbType, ::Type{IntT}=Int
+) where {FloatT,IntT}
     return AccumulatorTuple(
-        LogPriorAccumulator{LogProbType}(),
-        LogLikelihoodAccumulator{LogProbType}(),
-        NumProduceAccumulator{Int}(),
+        LogPriorAccumulator{FloatT}(),
+        LogLikelihoodAccumulator{FloatT}(),
+        NumProduceAccumulator{IntT}(),
     )
 end

src/simple_varinfo.jl

@@ -204,7 +204,7 @@ function SimpleVarInfo(values, accs)
     return SimpleVarInfo(values, accs, NoTransformation())
 end
 function SimpleVarInfo{T}(values) where {T<:Real}
-    return SimpleVarInfo(values, default_accumulators())
+    return SimpleVarInfo(values, default_accumulators(T))
 end
 function SimpleVarInfo(values)
     return SimpleVarInfo{LogProbType}(values)