xen-dev-utils/dist/number-array.d.ts

Utility functions used by the Scale Workshop ecosystem

export interface NumberArray {
    [key: number]: number;
    length: number;
}
/**
 * Calculate the inner (dot) product of two arrays of real numbers.
 * @param a The first array of numbers.
 * @param b The second array of numbers.
 * @returns The dot product.
 */
export declare function dot(a: NumberArray, b: NumberArray): number;
/**
 * Calculate the inner (dot) product of two arrays of real numbers.
 * The resulting terms are summed accurately using Shewchuk's algorithm.
 * @param a The first array of numbers.
 * @param b The second array of numbers.
 * @returns The dot product.
 */
export declare function dotPrecise(a: NumberArray, b: NumberArray): number;
/**
 * Calculate the norm (vector length) of an array of real numbers.
 * @param array The array to measure.
 * @param type Type of measurement.
 * @returns The length of the vector.
 */
export declare function norm(array: NumberArray, type?: 'euclidean' | 'L2' | 'taxicab' | 'maximum'): number;