X-Git-Url: https://git.piment-noir.org/?a=blobdiff_plain;ds=sidebyside;f=src%2Futils.ts;h=fc328a6c688e2d85f04a04be0e4874584ad5c57c;hb=557991e8ddb66a72a47d62606e142e8be86677f2;hp=753219c5e37d367b8d5d83790f76847445d36663;hpb=4f3c3d894171421375559b43ce469bd5ccb475da;p=poolifier.git

diff --git a/src/utils.ts b/src/utils.ts
index 753219c5..fc328a6c 100644
--- a/src/utils.ts
+++ b/src/utils.ts
@@ -1,3 +1,5 @@
+import type { WorkerChoiceStrategyOptions } from './pools/selection-strategies/selection-strategies-types'
+
 /**
  * An intentional empty function.
  */
@@ -6,6 +8,27 @@ export const EMPTY_FUNCTION: () => void = Object.freeze(() => {
 })
 
 /**
- * An intentional empty object literal.
+ * Default worker choice strategy options.
+ */
+export const DEFAULT_WORKER_CHOICE_STRATEGY_OPTIONS: WorkerChoiceStrategyOptions =
+  {
+    medRunTime: false
+  }
+
+/**
+ * Compute the median of the given data set.
+ *
+ * @param dataSet - Data set.
+ * @returns The median of the given data set.
  */
-export const EMPTY_OBJECT_LITERAL = {}
+export const median = (dataSet: number[]): number => {
+  if (Array.isArray(dataSet) && dataSet.length === 1) {
+    return dataSet[0]
+  }
+  const sortedDataSet = dataSet.slice().sort((a, b) => a - b)
+  const middleIndex = Math.floor(sortedDataSet.length / 2)
+  if (sortedDataSet.length % 2 === 0) {
+    return sortedDataSet[middleIndex / 2]
+  }
+  return (sortedDataSet[middleIndex - 1] + sortedDataSet[middleIndex]) / 2
+}