132 lines
3.8 KiB
Haxe
132 lines
3.8 KiB
Haxe
/*
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* Copyright (C)2005-2019 Haxe Foundation
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*/
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import python.internal.UBuiltins;
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@:pythonImport("math")
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@:coreApi
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extern class Math {
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static var PI(default, null):Float;
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static var NEGATIVE_INFINITY(default, null):Float;
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static var POSITIVE_INFINITY(default, null):Float;
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static var NaN(default, null):Float;
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static inline function abs(v:Float):Float {
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return (Math : Dynamic).fabs(v);
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}
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static inline function min(a:Float, b:Float):Float {
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return if (isNaN(a)) a else if (isNaN(b)) b else UBuiltins.min(a, b);
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}
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static inline function max(a:Float, b:Float):Float {
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return if (isNaN(a)) a else if (isNaN(b)) b else UBuiltins.max(a, b);
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}
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static inline function sin(v:Float):Float {
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return if (v == POSITIVE_INFINITY || v == NEGATIVE_INFINITY) NaN else python.lib.Math.sin(v);
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}
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static inline function cos(v:Float):Float {
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return if (v == POSITIVE_INFINITY || v == NEGATIVE_INFINITY) NaN else python.lib.Math.cos(v);
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}
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static function tan(v:Float):Float;
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static function asin(v:Float):Float;
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static function acos(v:Float):Float;
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static function atan(v:Float):Float;
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static function atan2(y:Float, x:Float):Float;
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static inline function exp(v:Float):Float {
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if (v == NEGATIVE_INFINITY) {
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return 0.0;
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} else if (v == POSITIVE_INFINITY) {
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return POSITIVE_INFINITY;
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} else {
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return (Math : Dynamic).exp(v);
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}
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}
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static inline function log(v:Float):Float {
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return if (v == 0.0) NEGATIVE_INFINITY else if (v < 0.0) NaN else python.lib.Math.log(v);
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}
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static function pow(v:Float, exp:Float):Float;
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static inline function sqrt(v:Float):Float {
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return if (v < 0) NaN else python.lib.Math.sqrt(v);
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}
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static inline function round(v:Float):Int {
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return Math.floor(v + 0.5);
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}
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static function floor(v:Float):Int;
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static function ceil(v:Float):Int;
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inline static function random():Float {
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return python.lib.Random.random();
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}
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static inline function ffloor(v:Float):Float {
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if (v == POSITIVE_INFINITY || v == NEGATIVE_INFINITY)
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return v;
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if (isNaN(v))
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return NaN;
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return floor(v);
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}
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static inline function fceil(v:Float):Float {
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if (v == POSITIVE_INFINITY || v == NEGATIVE_INFINITY)
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return v;
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if (isNaN(v))
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return NaN;
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return ceil(v);
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}
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static inline function fround(v:Float):Float {
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if (v == POSITIVE_INFINITY || v == NEGATIVE_INFINITY)
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return v;
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if (isNaN(v))
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return NaN;
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return round(v);
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}
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static inline function isFinite(f:Float):Bool
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return f != POSITIVE_INFINITY && f != NEGATIVE_INFINITY && !isNaN(f);
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static inline function isNaN(f:Float):Bool {
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return python.lib.Math.isnan(f);
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}
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static function __init__():Void {
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NEGATIVE_INFINITY = UBuiltins.float('-inf');
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POSITIVE_INFINITY = UBuiltins.float('inf');
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NaN = UBuiltins.float("nan");
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PI = python.lib.Math.pi;
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}
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}
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