HaxeFoundation.haxe/std/neko/Random.hx

/*
 * Copyright (C)2005-2019 Haxe Foundation
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 * DEALINGS IN THE SOFTWARE.
 */

package neko;

/**
	A seeded pseudo-random generator.
**/
class Random {
	var r:Dynamic;

	/**
		Create a new random with random seed.
	**/
	public function new() {
		r = random_new();
	}

	/**
		Set the generator seed.
	**/
	public function setSeed(s:Int) {
		random_set_seed(r, s);
	}

	/**
		Return a random integer modulo max.
	**/
	public function int(max:Int):Int {
		return random_int(r, max);
	}

	/**
		Return a random float.
	**/
	public function float():Float {
		return random_float(r);
	}

	static var random_new = Lib.load("std", "random_new", 0);
	static var random_set_seed = Lib.load("std", "random_set_seed", 2);
	static var random_int = Lib.load("std", "random_int", 2);
	static var random_float = Lib.load("std", "random_float", 1);
}