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sdk/pkg/dev_compiler/test/codegen/expect/math/math.js
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JavaScript
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var math;
(function (math) {
'use strict';
let E = 2.718281828459045;
let LN10 = 2.302585092994046;
let LN2 = 0.6931471805599453;
let LOG2E = 1.4426950408889634;
let LOG10E = 0.4342944819032518;
let PI = 3.141592653589793;
let SQRT1_2 = 0.7071067811865476;
let SQRT2 = 1.4142135623730951;
// Function min: (num, num) → num
function min(a, b) {
if (!dart.is(a, core.num)) throw new core.ArgumentError(a);
if (!dart.is(b, core.num)) throw new core.ArgumentError(b);
if (dart.notNull(a) > dart.notNull(b)) return b;
if (dart.notNull(a) < dart.notNull(b)) return a;
if (typeof b == "number") {
if (typeof a == "number") {
if (a === 0.0) {
return (a + b) * a * b;
}
}
if (dart.notNull(dart.notNull(a === 0) && dart.notNull(b.isNegative)) || dart.notNull(b.isNaN)) return b;
return a;
}
return a;
}
// Function max: (num, num) → num
function max(a, b) {
if (!dart.is(a, core.num)) throw new core.ArgumentError(a);
if (!dart.is(b, core.num)) throw new core.ArgumentError(b);
if (dart.notNull(a) > dart.notNull(b)) return a;
if (dart.notNull(a) < dart.notNull(b)) return b;
if (typeof b == "number") {
if (typeof a == "number") {
if (a === 0.0) {
return a + b;
}
}
if (b.isNaN) return b;
return a;
}
if (dart.notNull(b === 0) && dart.notNull(a.isNegative)) return b;
return a;
}
// Function atan2: (num, num) → double
function atan2(a, b) { return dart.as(dart.dinvokef(/* Unimplemented unknown name */JS, 'double', 'Math.atan2(#, #)', dart.dinvokef(/* Unimplemented unknown name */checkNum, a), dart.dinvokef(/* Unimplemented unknown name */checkNum, b)), core.double); }
// Function pow: (num, num) → num
function pow(x, exponent) {
dart.dinvokef(/* Unimplemented unknown name */checkNum, x);
dart.dinvokef(/* Unimplemented unknown name */checkNum, exponent);
return dart.as(dart.dinvokef(/* Unimplemented unknown name */JS, 'num', 'Math.pow(#, #)', x, exponent), core.num);
}
// Function sin: (num) → double
function sin(x) { return dart.as(dart.dinvokef(/* Unimplemented unknown name */JS, 'double', 'Math.sin(#)', dart.dinvokef(/* Unimplemented unknown name */checkNum, x)), core.double); }
// Function cos: (num) → double
function cos(x) { return dart.as(dart.dinvokef(/* Unimplemented unknown name */JS, 'double', 'Math.cos(#)', dart.dinvokef(/* Unimplemented unknown name */checkNum, x)), core.double); }
// Function tan: (num) → double
function tan(x) { return dart.as(dart.dinvokef(/* Unimplemented unknown name */JS, 'double', 'Math.tan(#)', dart.dinvokef(/* Unimplemented unknown name */checkNum, x)), core.double); }
// Function acos: (num) → double
function acos(x) { return dart.as(dart.dinvokef(/* Unimplemented unknown name */JS, 'double', 'Math.acos(#)', dart.dinvokef(/* Unimplemented unknown name */checkNum, x)), core.double); }
// Function asin: (num) → double
function asin(x) { return dart.as(dart.dinvokef(/* Unimplemented unknown name */JS, 'double', 'Math.asin(#)', dart.dinvokef(/* Unimplemented unknown name */checkNum, x)), core.double); }
// Function atan: (num) → double
function atan(x) { return dart.as(dart.dinvokef(/* Unimplemented unknown name */JS, 'double', 'Math.atan(#)', dart.dinvokef(/* Unimplemented unknown name */checkNum, x)), core.double); }
// Function sqrt: (num) → double
function sqrt(x) { return dart.as(dart.dinvokef(/* Unimplemented unknown name */JS, 'double', 'Math.sqrt(#)', dart.dinvokef(/* Unimplemented unknown name */checkNum, x)), core.double); }
// Function exp: (num) → double
function exp(x) { return dart.as(dart.dinvokef(/* Unimplemented unknown name */JS, 'double', 'Math.exp(#)', dart.dinvokef(/* Unimplemented unknown name */checkNum, x)), core.double); }
// Function log: (num) → double
function log(x) { return dart.as(dart.dinvokef(/* Unimplemented unknown name */JS, 'double', 'Math.log(#)', dart.dinvokef(/* Unimplemented unknown name */checkNum, x)), core.double); }
let _POW2_32 = 4294967296;
class _JSRandom extends dart.Object {
_JSRandom() {
}
nextInt(max) {
if (dart.notNull(max <= 0) || dart.notNull(max > _POW2_32)) {
throw new core.RangeError(`max must be in range 0 < max ≤ 2^32, was ${max}`);
}
return dart.as(dart.dinvokef(/* Unimplemented unknown name */JS, "int", "(Math.random() * #) >>> 0", max), core.int);
}
nextDouble() { return dart.as(dart.dinvokef(/* Unimplemented unknown name */JS, "double", "Math.random()"), core.double); }
nextBool() { return dart.as(dart.dinvokef(/* Unimplemented unknown name */JS, "bool", "Math.random() < 0.5"), core.bool); }
}
class _Random extends dart.Object {
_Random(seed) {
this._lo = 0;
this._hi = 0;
let empty_seed = 0;
if (seed < 0) {
empty_seed = -1;
}
do {
let low = seed & _MASK32;
seed = ((seed - low) / _POW2_32).truncate();
let high = seed & _MASK32;
seed = ((seed - high) / _POW2_32).truncate();
let tmplow = low << 21;
let tmphigh = (high << 21) | (low >> 11);
tmplow = (~low & _MASK32) + tmplow;
low = tmplow & _MASK32;
high = (~high + tmphigh + (((tmplow - low) / 4294967296).truncate())) & _MASK32;
tmphigh = high >> 24;
tmplow = (low >> 24) | (high << 8);
low = tmplow;
high = tmphigh;
tmplow = low * 265;
low = tmplow & _MASK32;
high = (high * 265 + ((tmplow - low) / 4294967296).truncate()) & _MASK32;
tmphigh = high >> 14;
tmplow = (low >> 14) | (high << 18);
low = tmplow;
high = tmphigh;
tmplow = low * 21;
low = tmplow & _MASK32;
high = (high * 21 + ((tmplow - low) / 4294967296).truncate()) & _MASK32;
tmphigh = high >> 28;
tmplow = (low >> 28) | (high << 4);
low = tmplow;
high = tmphigh;
tmplow = low << 31;
tmphigh = (high << 31) | (low >> 1);
tmplow = low;
low = tmplow & _MASK32;
high = (high + tmphigh + ((tmplow - low) / 4294967296).truncate()) & _MASK32;
tmplow = this._lo * 1037;
this._lo = tmplow & _MASK32;
this._hi = (this._hi * 1037 + ((tmplow - this._lo) / 4294967296).truncate()) & _MASK32;
this._lo = low;
this._hi = high;
}
while (seed !== empty_seed);
if (dart.notNull(this._hi === 0) && dart.notNull(this._lo === 0)) {
this._lo = 23063;
}
this._nextState();
this._nextState();
this._nextState();
this._nextState();
}
_nextState() {
let tmpHi = 4294901760 * this._lo;
let tmpHiLo = tmpHi & _MASK32;
let tmpHiHi = tmpHi - tmpHiLo;
let tmpLo = 55905 * this._lo;
let tmpLoLo = tmpLo & _MASK32;
let tmpLoHi = tmpLo - tmpLoLo;
let newLo = tmpLoLo + tmpHiLo + this._hi;
this._lo = newLo & _MASK32;
let newLoHi = newLo - this._lo;
this._hi = (((tmpLoHi + tmpHiHi + newLoHi) / _POW2_32).truncate()) & _MASK32;
dart.assert(this._lo < _POW2_32);
dart.assert(this._hi < _POW2_32);
}
nextInt(max) {
if (dart.notNull(max <= 0) || dart.notNull(max > _POW2_32)) {
throw new core.RangeError(`max must be in range 0 < max ≤ 2^32, was ${max}`);
}
if ((max & (max - 1)) === 0) {
this._nextState();
return this._lo & (max - 1);
}
let rnd32 = null;
let result = null;
do {
this._nextState();
rnd32 = this._lo;
result = dart.notNull(rnd32.remainder(max));
}
while ((rnd32 - result + max) >= _POW2_32);
return result;
}
nextDouble() {
this._nextState();
let bits26 = this._lo & ((1 << 26) - 1);
this._nextState();
let bits27 = this._lo & ((1 << 27) - 1);
return (bits26 * _POW2_27_D + bits27) / _POW2_53_D;
}
nextBool() {
this._nextState();
return (this._lo & 1) === 0;
}
}
_Random._POW2_53_D = 1.0 * (9007199254740992);
_Random._POW2_27_D = 1.0 * (1 << 27);
_Random._MASK32 = 4294967295;
class _JenkinsSmiHash extends dart.Object {
static combine(hash, value) {
hash = 536870911 & (hash + value);
hash = 536870911 & (hash + ((524287 & hash) << 10));
return hash ^ (hash >> 6);
}
static finish(hash) {
hash = 536870911 & (hash + ((67108863 & hash) << 3));
hash = hash ^ (hash >> 11);
return 536870911 & (hash + ((16383 & hash) << 15));
}
static hash2(a, b) { return finish(combine(combine(0, dart.as(a, core.int)), dart.as(b, core.int))); }
static hash4(a, b, c, d) { return finish(combine(combine(combine(combine(0, dart.as(a, core.int)), dart.as(b, core.int)), dart.as(c, core.int)), dart.as(d, core.int))); }
}
let Point$ = dart.generic(function(T) {
class Point extends dart.Object {
Point(x, y) {
this.x = x;
this.y = y;
}
toString() { return `Point(${this.x}, ${this.y})`; }
['=='](other) {
if (!dart.is(other, Point)) return false;
return dart.notNull(dart.equals(this.x, dart.dload(other, "x"))) && dart.notNull(dart.equals(this.y, dart.dload(other, "y")));
}
get hashCode() { return _JenkinsSmiHash.hash2(this.x.hashCode, this.y.hashCode); }
['+'](other) {
return new Point(this.x['+'](other.x), this.y['+'](other.y));
}
['-'](other) {
return new Point(this.x['-'](other.x), this.y['-'](other.y));
}
['*'](factor) {
return new Point(this.x['*'](factor), this.y['*'](factor));
}
get magnitude() { return sqrt(dart.notNull(this.x['*'](this.x)) + dart.notNull(this.y['*'](this.y))); }
distanceTo(other) {
let dx = this.x['-'](other.x);
let dy = this.y['-'](other.y);
return sqrt(dart.notNull(dart.notNull(dx) * dart.notNull(dx)) + dart.notNull(dart.notNull(dy) * dart.notNull(dy)));
}
squaredDistanceTo(other) {
let dx = this.x['-'](other.x);
let dy = this.y['-'](other.y);
return dart.as(dart.notNull(dart.notNull(dx) * dart.notNull(dx)) + dart.notNull(dart.notNull(dy) * dart.notNull(dy)), T);
}
}
return Point;
});
let Point = Point$(dynamic);
class Random extends dart.Object {
Random(seed) {
if (seed === undefined) seed = null;
return (seed === null) ? new _JSRandom() : new _Random(seed);
}
}
let _RectangleBase$ = dart.generic(function(T) {
class _RectangleBase extends dart.Object {
_RectangleBase() {
}
get right() { return dart.as(this.left['+'](this.width), T); }
get bottom() { return dart.as(this.top['+'](this.height), T); }
toString() {
return `Rectangle (${this.left}, ${this.top}) ${this.width} x ${this.height}`;
}
['=='](other) {
if (!dart.is(other, Rectangle)) return false;
return dart.notNull(dart.notNull(dart.notNull(dart.equals(this.left, dart.dload(other, "left"))) && dart.notNull(dart.equals(this.top, dart.dload(other, "top")))) && dart.notNull(dart.equals(this.right, dart.dload(other, "right")))) && dart.notNull(dart.equals(this.bottom, dart.dload(other, "bottom")));
}
get hashCode() { return _JenkinsSmiHash.hash4(this.left.hashCode, this.top.hashCode, this.right.hashCode, this.bottom.hashCode); }
intersection(other) {
let x0 = max(this.left, other.left);
let x1 = min(this.left['+'](this.width), other.left['+'](other.width));
if (dart.notNull(x0) <= dart.notNull(x1)) {
let y0 = max(this.top, other.top);
let y1 = min(this.top['+'](this.height), other.top['+'](other.height));
if (dart.notNull(y0) <= dart.notNull(y1)) {
return new Rectangle(x0, y0, dart.notNull(x1) - dart.notNull(x0), dart.notNull(y1) - dart.notNull(y0));
}
}
return null;
}
intersects(other) {
return (dart.notNull(dart.notNull(dart.notNull(this.left['<='](dart.notNull(other.left) + dart.notNull(other.width))) && dart.notNull(dart.notNull(other.left) <= dart.notNull(this.left['+'](this.width)))) && dart.notNull(this.top['<='](dart.notNull(other.top) + dart.notNull(other.height)))) && dart.notNull(dart.notNull(other.top) <= dart.notNull(this.top['+'](this.height))));
}
boundingBox(other) {
let right = max(this.left['+'](this.width), other.left['+'](other.width));
let bottom = max(this.top['+'](this.height), other.top['+'](other.height));
let left = min(this.left, other.left);
let top = min(this.top, other.top);
return new Rectangle(left, top, dart.notNull(right) - dart.notNull(left), dart.notNull(bottom) - dart.notNull(top));
}
containsRectangle(another) {
return dart.notNull(dart.notNull(dart.notNull(this.left['<='](another.left)) && dart.notNull(dart.notNull(this.left['+'](this.width)) >= dart.notNull(dart.notNull(another.left) + dart.notNull(another.width)))) && dart.notNull(this.top['<='](another.top))) && dart.notNull(dart.notNull(this.top['+'](this.height)) >= dart.notNull(dart.notNull(another.top) + dart.notNull(another.height)));
}
containsPoint(another) {
return dart.notNull(dart.notNull(dart.notNull(core.num['>='](another.x, this.left)) && dart.notNull(dart.notNull(another.x) <= dart.notNull(this.left['+'](this.width)))) && dart.notNull(core.num['>='](another.y, this.top))) && dart.notNull(dart.notNull(another.y) <= dart.notNull(this.top['+'](this.height)));
}
get topLeft() { return new Point(this.left, this.top); }
get topRight() { return new Point(this.left['+'](this.width), this.top); }
get bottomRight() { return new Point(this.left['+'](this.width), this.top['+'](this.height)); }
get bottomLeft() { return new Point(this.left, this.top['+'](this.height)); }
}
return _RectangleBase;
});
let _RectangleBase = _RectangleBase$(dynamic);
let Rectangle$ = dart.generic(function(T) {
class Rectangle extends _RectangleBase$(T) {
Rectangle(left, top, width, height) {
this.left = left;
this.top = top;
this.width = (width['<'](0)) ? dart.notNull(/* Unimplemented postfix operator: -width */) * 0 : width;
this.height = (height['<'](0)) ? dart.notNull(/* Unimplemented postfix operator: -height */) * 0 : height;
super._RectangleBase();
}
Rectangle$fromPoints(a, b) {
let left = dart.as(min(a.x, b.x), T);
let width = dart.as(core.num['-'](max(a.x, b.x), left), T);
let top = dart.as(min(a.y, b.y), T);
let height = dart.as(core.num['-'](max(a.y, b.y), top), T);
return new Rectangle(left, top, width, height);
}
}
dart.defineNamedConstructor(Rectangle, "fromPoints");
return Rectangle;
});
let Rectangle = Rectangle$(dynamic);
let MutableRectangle$ = dart.generic(function(T) {
class MutableRectangle extends _RectangleBase$(T) {
MutableRectangle(left, top, width, height) {
this.left = left;
this.top = top;
this._width = (width['<'](0)) ? _clampToZero(width) : width;
this._height = (height['<'](0)) ? _clampToZero(height) : height;
super._RectangleBase();
}
MutableRectangle$fromPoints(a, b) {
let left = dart.as(min(a.x, b.x), T);
let width = dart.as(core.num['-'](max(a.x, b.x), left), T);
let top = dart.as(min(a.y, b.y), T);
let height = dart.as(core.num['-'](max(a.y, b.y), top), T);
return new MutableRectangle(left, top, width, height);
}
get width() { return this._width; }
set width(width) {
if (width['<'](0)) width = dart.as(_clampToZero(width), T);
this._width = width;
}
get height() { return this._height; }
set height(height) {
if (height['<'](0)) height = dart.as(_clampToZero(height), T);
this._height = height;
}
}
dart.defineNamedConstructor(MutableRectangle, "fromPoints");
return MutableRectangle;
});
let MutableRectangle = MutableRectangle$(dynamic);
// Function _clampToZero: (num) → num
function _clampToZero(value) {
dart.assert(dart.notNull(value) < 0);
return dart.notNull(-dart.notNull(value)) * 0;
}
// Exports:
math.E = E;
math.LN10 = LN10;
math.LN2 = LN2;
math.LOG2E = LOG2E;
math.LOG10E = LOG10E;
math.PI = PI;
math.SQRT1_2 = SQRT1_2;
math.SQRT2 = SQRT2;
math.min = min;
math.max = max;
math.atan2 = atan2;
math.pow = pow;
math.sin = sin;
math.cos = cos;
math.tan = tan;
math.acos = acos;
math.asin = asin;
math.atan = atan;
math.sqrt = sqrt;
math.exp = exp;
math.log = log;
math.Point = Point;
math.Point$ = Point$;
math.Random = Random;
math.Rectangle = Rectangle;
math.Rectangle$ = Rectangle$;
math.MutableRectangle = MutableRectangle;
math.MutableRectangle$ = MutableRectangle$;
})(math || (math = {}));
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