wordmap/dist/util/math.js

Multi-Lingual Word Alignment Prediction

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
/**
 * If the denominator is 0 the output will be 0 otherwise normal division occurs.
 * @param {number} numerator
 * @param {number} denominator
 * @return {number}
 */
function divide(numerator, denominator) {
    if (denominator === 0) {
        return 0;
    }
    else {
        return numerator / denominator;
    }
}
exports.divide = divide;
/**
 * The "median" is the "middle" value in the list of numbers.
 *
 * @param {number[]} numbers - an array of numbers
 * @return {number} - the calculated median value from the specified numbers
 */
function median(numbers) {
    let medianVal = 0;
    const numsLen = numbers.length;
    numbers.sort();
    if (numsLen === 0) {
        medianVal = 0;
    }
    else if (numsLen % 2 === 0) {
        // average of two middle numbers
        medianVal = (numbers[numsLen / 2 - 1] + numbers[numsLen / 2]) / 2;
    }
    else {
        // middle number only
        medianVal = numbers[(numsLen - 1) / 2];
    }
    return medianVal;
}
exports.median = median;