[poolifier.git] / src / utils.ts

/**
 * An intentional empty function.
 */
export const EMPTY_FUNCTION: () => void = Object.freeze(() => {
  /* Intentionally empty */
})

/**
 * Returns the median of the given data set.
 *
 * @param dataSet - Data set.
 * @returns The median of the given data set.
 */
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
}
Commit	Line	Data
6e9d10db JB	1	/**
	2	* An intentional empty function.
	3	*/
4f3c3d89	4	export const EMPTY_FUNCTION: () => void = Object.freeze(() => {
6e9d10db	5	/* Intentionally empty */
4f3c3d89	6	})
78099a15 JB	7
	8	/**
	9	* Returns the median of the given data set.
	10	*
	11	* @param dataSet - Data set.
	12	* @returns The median of the given data set.
	13	*/
	14	export const median = (dataSet: number[]): number => {
	15	if (Array.isArray(dataSet) && dataSet.length === 1) {
	16	return dataSet[0]
	17	}
	18	const sortedDataSet = dataSet.slice().sort((a, b) => a - b)
	19	const middleIndex = Math.floor(sortedDataSet.length / 2)
	20	if (sortedDataSet.length % 2 === 0) {
	21	return sortedDataSet[middleIndex / 2]
	22	}
	23	return (sortedDataSet[middleIndex - 1] + sortedDataSet[middleIndex]) / 2
	24	}