import { NumberArray } from 'cheminfo-types';
/**
 *Returns the Lorentzian distance between vectors a and b
 * @link [Lorentzian algorithm](https://stat.ethz.ch/education/semesters/ss2012/ams/slides/v4.2.pdf)
 * @param a - first vector
 * @param b - second vector
 *
 */
export default function lorentzian(a: NumberArray, b: NumberArray): number;
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