/**
 *Returns the Inner Product similarity between vectors a and b
 * @link [Inner Product Similarity algorithm](https://www.naun.org/main/NAUN/ijmmas/mmmas-49.pdf)
 * @param a - first vector
 * @param b - second vector
 *
 */
export function innerProduct(a, b) {
    let ans = 0;
    for (let i = 0; i < a.length; i++) {
        ans += a[i] * b[i];
    }
    return ans;
}
/**
 *Returns the Chebyshev distance between vectors a and b
 * @link [Chebyshev algorithm](https://en.wikipedia.org/wiki/Chebyshev_distance)
 * @param a - first vector
 * @param b - second vector
 *
 */
export function chebyshev(a, b) {
    let max = 0;
    let aux = 0;
    for (let i = 0; i < a.length; i++) {
        aux = Math.abs(a[i] - b[i]);
        if (max < aux) {
            max = aux;
        }
    }
    return max;
}
/**
 *Returns the Manhattan distance between vectors a and b
 * @link [Manhattan algorithm](https://www.naun.org/main/NAUN/ijmmas/mmmas-49.pdf)
 * @param a - first vector
 * @param b - second vector
 *
 */
export function manhattan(a, b) {
    let d = 0;
    for (let i = 0; i < a.length; i++) {
        d += Math.abs(a[i] - b[i]);
    }
    return d;
}