@lvlte/ulp/dist/index.d.ts

Compute the unit in last place of a given IEEE-754 64-bit number

/**
 * The smallest positive normal number representable by IEEE-754 float64.
 */
export declare const FLOAT64_MIN: number;
/**
 * Return the unit in the last place or unit of least precision (ulp) of x, that
 * is, the distance between two consecutive representable floating-point numbers
 * at x.
 *
 * @param x The input number (default: 1)
 * @returns The ulp of x, or `NaN` if `x` is not a finite number.
 */
export declare function eps(x?: number): number;
/**
 * Exponent of a normalized floating-point number x.
 *
 * @param x The input number
 * @returns The largest integer `y` such that `2^y ≤ |x|`, or `NaN` if x is not
 * a finite number / if x is ±0.
 */
export declare function exponent(x: number): number;