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/*
* 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 python.internal.UBuiltins;
@:pythonImport("math")
@:coreApi
extern class Math {
static var PI(default, null):Float;
static var NEGATIVE_INFINITY(default, null):Float;
static var POSITIVE_INFINITY(default, null):Float;
static var NaN(default, null):Float;
static inline function abs(v:Float):Float {
return (Math : Dynamic).fabs(v);
}
static inline function min(a:Float, b:Float):Float {
return if (isNaN(a)) a else if (isNaN(b)) b else UBuiltins.min(a, b);
}
static inline function max(a:Float, b:Float):Float {
return if (isNaN(a)) a else if (isNaN(b)) b else UBuiltins.max(a, b);
}
static inline function sin(v:Float):Float {
return if (v == POSITIVE_INFINITY || v == NEGATIVE_INFINITY) NaN else python.lib.Math.sin(v);
}
static inline function cos(v:Float):Float {
return if (v == POSITIVE_INFINITY || v == NEGATIVE_INFINITY) NaN else python.lib.Math.cos(v);
}
static function tan(v:Float):Float;
static function asin(v:Float):Float;
static function acos(v:Float):Float;
static function atan(v:Float):Float;
static function atan2(y:Float, x:Float):Float;
static inline function exp(v:Float):Float {
if (v == NEGATIVE_INFINITY) {
return 0.0;
} else if (v == POSITIVE_INFINITY) {
return POSITIVE_INFINITY;
} else {
return (Math : Dynamic).exp(v);
}
}
static inline function log(v:Float):Float {
return if (v == 0.0) NEGATIVE_INFINITY else if (v < 0.0) NaN else python.lib.Math.log(v);
}
static function pow(v:Float, exp:Float):Float;
static inline function sqrt(v:Float):Float {
return if (v < 0) NaN else python.lib.Math.sqrt(v);
}
static inline function round(v:Float):Int {
return Math.floor(v + 0.5);
}
static function floor(v:Float):Int;
static function ceil(v:Float):Int;
inline static function random():Float {
return python.lib.Random.random();
}
static inline function ffloor(v:Float):Float {
if (v == POSITIVE_INFINITY || v == NEGATIVE_INFINITY)
return v;
if (isNaN(v))
return NaN;
return floor(v);
}
static inline function fceil(v:Float):Float {
if (v == POSITIVE_INFINITY || v == NEGATIVE_INFINITY)
return v;
if (isNaN(v))
return NaN;
return ceil(v);
}
static inline function fround(v:Float):Float {
if (v == POSITIVE_INFINITY || v == NEGATIVE_INFINITY)
return v;
if (isNaN(v))
return NaN;
return round(v);
}
static inline function isFinite(f:Float):Bool
return f != POSITIVE_INFINITY && f != NEGATIVE_INFINITY && !isNaN(f);
static inline function isNaN(f:Float):Bool {
return python.lib.Math.isnan(f);
}
static function __init__():Void {
NEGATIVE_INFINITY = UBuiltins.float('-inf');
POSITIVE_INFINITY = UBuiltins.float('inf');
NaN = UBuiltins.float("nan");
PI = python.lib.Math.pi;
}
}
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