Refactor: Extract functions

src/interpolation/interpBruteForce.js

@@ -0,0 +1,27 @@
+import { pointOnCircle, takeSampleFrom } from "./helpers";
+import { placeNearToNearestNeighbour } from "./interpCommon";
+
+export default function(sampleSet, remainderSet, distanceFn) {
+  // var distance = calculateEuclideanDistance;
+  // console.log("Brute-force");
+  let sampleSubset = takeSampleFrom(sampleSet, Math.sqrt(sampleSet.length)).sample;
+
+  for (let node of remainderSet) {
+    let nearestSample = undefined,
+        minDist = undefined,
+        sampleSubsetDistanceCache = [];
+
+    for (let sample of sampleSet) {
+      let dist = distanceFn(node, sample);
+      if (nearestSample === undefined || dist < minDist) {
+        minDist = dist;
+        nearestSample = sample;
+      }
+
+      let index = sampleSubset.indexOf(sample);
+      if (index !== -1)
+        sampleSubsetDistanceCache[index] = dist;
+    }
+    placeNearToNearestNeighbour(node, nearestSample, minDist, sampleSubset, sampleSubsetDistanceCache);
+  }
+}