2025-01-22 16:18:30 +01:00

111 lines
4.2 KiB
Haxe

/*
* 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.
*/
import neko.Lib;
@:native("Math")
@:keep
private class MathImpl {
static var __rnd:Dynamic;
static var _rand_float = Lib.load("std", "random_float", 1);
static var _rand_int = Lib.load("std", "random_int", 2);
public static function min(a:Float, b:Float):Float {
return if (a < b) a else if (untyped $isnan(a)) a else b;
}
public static function max(a:Float, b:Float):Float {
return if (a < b) b else if (untyped $isnan(b)) b else a;
}
public static function random():Float {
return _rand_float(__rnd);
}
public static function isNaN(f:Float):Bool {
return untyped __dollar__isnan(f);
}
public static function isFinite(f:Float):Bool {
return !untyped (__dollar__isinfinite(f) || __dollar__isnan(f));
}
static function __init__():Void {
var M:Dynamic = MathImpl;
__rnd = Lib.load("std", "random_new", 0)();
M.PI = Lib.load("std", "math_pi", 0)();
M.NaN = 0.0 / 0.0;
M.POSITIVE_INFINITY = 1.0 / 0.0;
M.NEGATIVE_INFINITY = -M.POSITIVE_INFINITY;
M.abs = Lib.load("std", "math_abs", 1);
M.sin = Lib.load("std", "math_sin", 1);
M.cos = Lib.load("std", "math_cos", 1);
M.atan2 = Lib.load("std", "math_atan2", 2);
M.tan = Lib.load("std", "math_tan", 1);
M.exp = Lib.load("std", "math_exp", 1);
M.log = Lib.load("std", "math_log", 1);
M.sqrt = Lib.load("std", "math_sqrt", 1);
M.round = Lib.load("std", "math_round", 1);
M.floor = Lib.load("std", "math_floor", 1);
M.ceil = Lib.load("std", "math_ceil", 1);
M.atan = Lib.load("std", "math_atan", 1);
M.asin = Lib.load("std", "math_asin", 1);
M.acos = Lib.load("std", "math_acos", 1);
M.pow = Lib.load("std", "math_pow", 2);
M.fceil = try Lib.load("std", "math_fceil", 1) catch (e:Dynamic) M.ceil;
M.ffloor = try Lib.load("std", "math_ffloor", 1) catch (e:Dynamic) M.floor;
M.fround = try Lib.load("std", "math_fround", 1) catch (e:Dynamic) M.round;
}
}
@:coreApi
extern final class Math {
public static var PI(default, null):Float;
public static var NaN(default, null):Float;
public static var POSITIVE_INFINITY(default, null):Float;
public static var NEGATIVE_INFINITY(default, null):Float;
public static function min(a:Float, b:Float):Float;
public static function max(a:Float, b:Float):Float;
public static function abs(v:Float):Float;
public static function sin(v:Float):Float;
public static function cos(v:Float):Float;
public static function atan2(y:Float, x:Float):Float;
public static function tan(v:Float):Float;
public static function exp(v:Float):Float;
public static function log(v:Float):Float;
public static function sqrt(v:Float):Float;
public static function round(v:Float):Int;
public static function floor(v:Float):Int;
public static function ceil(v:Float):Int;
public static function atan(v:Float):Float;
public static function asin(v:Float):Float;
public static function acos(v:Float):Float;
public static function pow(v:Float, exp:Float):Float;
public static function fround(v:Float):Float;
public static function ffloor(v:Float):Float;
public static function fceil(v:Float):Float;
public static function random():Float;
public static function isNaN(f:Float):Bool;
public static function isFinite(f:Float):Bool;
}