aureooms-js-integer/lib/0-legacy/others/wrap/wrapbin.js

integer code bricks for JavaScript

"use strict";

Object.defineProperty(exports, "__esModule", {
	value: true
});
exports.wrapbin = wrapbin;
/**
 * Wrapper for binary operator.
 * Ensures
 *
 *     i >= j
 *     i0, j0, k0 >= 0
 *
 */

function wrapbin(fn) {

	return function (a, i0, i1, b, j0, j1, c, k0, k1) {

		var i, j, k;

		k0 = Math.max(0, k0);
		k = k1 - k0;

		i0 = Math.max(0, i0, i1 - k);
		j0 = Math.max(0, j0, j1 - k);
		i = i1 - i0;
		j = j1 - j0;

		if (i < j) return fn(b, j0, j1, a, i0, i1, c, k0, k1);else return fn(a, i0, i1, b, j0, j1, c, k0, k1);
	};
}
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