types/bigint.js (117473e) - rtensor · DKL9 GitList

Refactor towards a working QuickJS version

dkl9 commited 117473e at 2023-196 12:46:40

bigint.js

Blame History Raw

"use strict";

import {BasicNumber} from "./basic.js";

BasicNumber.keys.forEach(k => (BigInt.prototype[k] = BasicNumber.prototype[k]));

BigInt.ify = function(x) {
    if (typeof x == "object" && x.constructor == Complex) {
        return x.im ? null : BigInt(Math.floor(x.re));
    } else if (typeof x == "number") {
        return BigInt(x);
    } else {
        return x;
    }
};

BigInt.prototype.invalid = () => false;

BigInt.zero = () => 0n;

BigInt.one = () => 1n;

BigInt.prototype.add = function(n) { return this + n; };

BigInt.prototype.neg = function() { return -this; };

BigInt.prototype.mul = function(n) { return this * n; };

BigInt.prototype.div = function(n) { return this / n; };

BigInt.prototype.exp = function() { return 2n ** this; };

BigInt.prototype.pow = function(n) { return this ** n; };

BigInt.prototype.eq = function(n) { return this == n; };

BigInt.prototype.lt = function(n) { return this < n; };

BigInt.prototype.mag = function() { return Math.abs((new Number(this)).valueOf()); };

BigInt.prototype.floor = function() { return this; };