aureooms-js-integer/lib/1-new/convert/_convert_slow.js

integer code bricks for JavaScript

'use strict';

Object.defineProperty(exports, "__esModule", {
	value: true
});
exports._convert_slow = _convert_slow;

var _ = require('.');

var _arithmetic = require('../arithmetic');

var _compare = require('../compare');

/**
 *
 * @param {Number} f the base to convert from
 * @param {Number} t the base to convert to
 * @param {Array} a the origin array
 * @param {Number} ai start offset in the origin array
 * @param {Number} aj end offset in the origin array
 * @param {Array} b the destination array
 * @param {Number} bi start offset in the destination array
 * @param {Number} bj end offset in the destination array
 */

function _convert_slow(f, t, a, ai, aj, b, bi, bj) {

	var d = (0, _._build)(f, t);
	var di = 0;
	var dj = d.length;
	var qi = 0;
	var qj = aj - ai;
	var q = (0, _._alloc)(qj - qi);

	while (true) {

		(0, _._reset)(q, qi, qj);

		(0, _arithmetic._div)(f, a, ai, aj, d, di, dj, q, qi);

		--bj;
		var x = 0;

		for (var k = ai; k < aj; ++k) {
			x *= f;
			x += a[k];
		}

		b[bj] = x;

		if ((0, _compare._jz)(q, qi, qj)) return;

		(0, _._copy)(q, qi, qj, a, ai);
	}
}
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