diff --git a/packages/squiggle-lang/src/rescript/Distributions/SampleSetDist/SampleSetDist_ToPointSet.res b/packages/squiggle-lang/src/rescript/Distributions/SampleSetDist/SampleSetDist_ToPointSet.res
index 81bfc760..4cf2b868 100644
--- a/packages/squiggle-lang/src/rescript/Distributions/SampleSetDist/SampleSetDist_ToPointSet.res
+++ b/packages/squiggle-lang/src/rescript/Distributions/SampleSetDist/SampleSetDist_ToPointSet.res
@@ -62,7 +62,7 @@ let toPointSetDist = (
   ~samplingInputs: SamplingInputs.samplingInputs,
   (),
 ): Internals.Types.outputs => {
-  let samples = samples->Js.Array2.copy->Js.Array2.sortInPlaceWith(compare)
+  let samples = samples->E.A.Floats.sort
 
   let minDiscreteToKeep = MagicNumbers.ToPointSet.minDiscreteToKeep(samples)
   let (continuousPart, discretePart) = E.A.Floats.Sorted.splitContinuousAndDiscreteForMinWeight(
diff --git a/packages/squiggle-lang/src/rescript/Utility/E/E_A.res b/packages/squiggle-lang/src/rescript/Utility/E/E_A.res
index 46ada15f..14ba187c 100644
--- a/packages/squiggle-lang/src/rescript/Utility/E/E_A.res
+++ b/packages/squiggle-lang/src/rescript/Utility/E/E_A.res
@@ -229,9 +229,11 @@ module Floats = {
 
   let floatCompare: (float, float) => int = compare
   let sort = t => {
-    let r = t
-    r |> Array.fast_sort(floatCompare)
-    r
+    let typedArray = t->Js.TypedArray2.Float64Array.make
+    typedArray->Js.TypedArray2.Float64Array.sortInPlace->ignore
+    // why is there no standard function in Resctipt for this?
+    let typedArrayToArray: Js.TypedArray2.Float64Array.t => t = %raw(`a => Array.from(a)`)
+    typedArrayToArray(typedArray)
   }
 
   let getNonFinite = (t: t) => Belt.Array.getBy(t, r => !Js.Float.isFinite(r))