| Index: src/math.js
|
| ===================================================================
|
| --- src/math.js (revision 413)
|
| +++ src/math.js (working copy)
|
| @@ -30,74 +30,56 @@
|
| // has the added benefit that the code in this file is isolated from
|
| // changes to these properties.
|
| const $Infinity = global.Infinity;
|
| -const $floor = $Math_floor;
|
| -const $random = $Math_random;
|
| -const $abs = $Math_abs;
|
| +const $floor = MathFloor;
|
| +const $random = MathRandom;
|
| +const $abs = MathAbs;
|
|
|
| // Instance class name can only be set on functions. That is the only
|
| // purpose for MathConstructor.
|
| -function MathConstructor() {};
|
| -%FunctionSetInstanceClassName(MathConstructor, 'Math');
|
| +function MathConstructor() {}
|
| +%FunctionSetInstanceClassName(MathConstructor, 'Math');
|
| const $Math = new MathConstructor();
|
| $Math.__proto__ = global.Object.prototype;
|
| %AddProperty(global, "Math", $Math, DONT_ENUM);
|
|
|
| -
|
| -function $Math_random() { return %Math_random(); }
|
| -%AddProperty($Math, "random", $Math_random, DONT_ENUM);
|
| -
|
| -function $Math_abs(x) {
|
| +// ECMA 262 - 15.8.2.1
|
| +function MathAbs(x) {
|
| if (%_IsSmi(x)) {
|
| return x >= 0 ? x : -x;
|
| } else {
|
| return %Math_abs(ToNumber(x));
|
| }
|
| }
|
| -%AddProperty($Math, "abs", $Math_abs, DONT_ENUM);
|
|
|
| -function $Math_acos(x) { return %Math_acos(ToNumber(x)); }
|
| -%AddProperty($Math, "acos", $Math_acos, DONT_ENUM);
|
| +// ECMA 262 - 15.8.2.2
|
| +function MathAcos(x) { return %Math_acos(ToNumber(x)); }
|
|
|
| -function $Math_asin(x) { return %Math_asin(ToNumber(x)); }
|
| -%AddProperty($Math, "asin", $Math_asin, DONT_ENUM);
|
| +// ECMA 262 - 15.8.2.3
|
| +function MathAsin(x) { return %Math_asin(ToNumber(x)); }
|
|
|
| -function $Math_atan(x) { return %Math_atan(ToNumber(x)); }
|
| -%AddProperty($Math, "atan", $Math_atan, DONT_ENUM);
|
| +// ECMA 262 - 15.8.2.4
|
| +function MathAtan(x) { return %Math_atan(ToNumber(x)); }
|
|
|
| -function $Math_ceil(x) { return %Math_ceil(ToNumber(x)); }
|
| -%AddProperty($Math, "ceil", $Math_ceil, DONT_ENUM);
|
| +// ECMA 262 - 15.8.2.5
|
| +function MathAtan2(x, y) { return %Math_atan2(ToNumber(x), ToNumber(y)); }
|
|
|
| -function $Math_cos(x) { return %Math_cos(ToNumber(x)); }
|
| -%AddProperty($Math, "cos", $Math_cos, DONT_ENUM);
|
| +// ECMA 262 - 15.8.2.6
|
| +function MathCeil(x) { return %Math_ceil(ToNumber(x)); }
|
|
|
| -function $Math_exp(x) { return %Math_exp(ToNumber(x)); }
|
| -%AddProperty($Math, "exp", $Math_exp, DONT_ENUM);
|
| +// ECMA 262 - 15.8.2.7
|
| +function MathCos(x) { return %Math_cos(ToNumber(x)); }
|
|
|
| -function $Math_floor(x) { return %Math_floor(ToNumber(x)); }
|
| -%AddProperty($Math, "floor", $Math_floor, DONT_ENUM);
|
| +// ECMA 262 - 15.8.2.8
|
| +function MathExp(x) { return %Math_exp(ToNumber(x)); }
|
|
|
| -function $Math_log(x) { return %Math_log(ToNumber(x)); }
|
| -%AddProperty($Math, "log", $Math_log, DONT_ENUM);
|
| +// ECMA 262 - 15.8.2.9
|
| +function MathFloor(x) { return %Math_floor(ToNumber(x)); }
|
|
|
| -function $Math_round(x) { return %Math_round(ToNumber(x)); }
|
| -%AddProperty($Math, "round", $Math_round, DONT_ENUM);
|
| +// ECMA 262 - 15.8.2.10
|
| +function MathLog(x) { return %Math_log(ToNumber(x)); }
|
|
|
| -function $Math_sin(x) { return %Math_sin(ToNumber(x)); }
|
| -%AddProperty($Math, "sin", $Math_sin, DONT_ENUM);
|
| -
|
| -function $Math_sqrt(x) { return %Math_sqrt(ToNumber(x)); }
|
| -%AddProperty($Math, "sqrt", $Math_sqrt, DONT_ENUM);
|
| -
|
| -function $Math_tan(x) { return %Math_tan(ToNumber(x)); }
|
| -%AddProperty($Math, "tan", $Math_tan, DONT_ENUM);
|
| -
|
| -function $Math_atan2(x, y) { return %Math_atan2(ToNumber(x), ToNumber(y)); }
|
| -%AddProperty($Math, "atan2", $Math_atan2, DONT_ENUM);
|
| -
|
| -function $Math_pow(x, y) { return %Math_pow(ToNumber(x), ToNumber(y)); }
|
| -%AddProperty($Math, "pow", $Math_pow, DONT_ENUM);
|
| -
|
| -function $Math_max(arg1, arg2) { // length == 2
|
| +// ECMA 262 - 15.8.2.11
|
| +function MathMax(arg1, arg2) { // length == 2
|
| var r = -$Infinity;
|
| for (var i = %_ArgumentsLength() - 1; i >= 0; --i) {
|
| var n = ToNumber(%_Arguments(i));
|
| @@ -107,9 +89,9 @@
|
| }
|
| return r;
|
| }
|
| -%AddProperty($Math, "max", $Math_max, DONT_ENUM);
|
|
|
| -function $Math_min(arg1, arg2) { // length == 2
|
| +// ECMA 262 - 15.8.2.12
|
| +function MathMin(arg1, arg2) { // length == 2
|
| var r = $Infinity;
|
| for (var i = %_ArgumentsLength() - 1; i >= 0; --i) {
|
| var n = ToNumber(%_Arguments(i));
|
| @@ -119,21 +101,66 @@
|
| }
|
| return r;
|
| }
|
| -%AddProperty($Math, "min", $Math_min, DONT_ENUM);
|
|
|
| +// ECMA 262 - 15.8.2.13
|
| +function MathPow(x, y) { return %Math_pow(ToNumber(x), ToNumber(y)); }
|
|
|
| -// ECMA-262, section 15.8.1.1.
|
| -%AddProperty($Math, "E", 2.7182818284590452354, DONT_ENUM | DONT_DELETE | READ_ONLY);
|
| +// ECMA 262 - 15.8.2.14
|
| +function MathRandom() { return %Math_random(); }
|
|
|
| -// ECMA-262, section 15.8.1.2.
|
| -%AddProperty($Math, "LN10", 2.302585092994046, DONT_ENUM | DONT_DELETE | READ_ONLY);
|
| +// ECMA 262 - 15.8.2.15
|
| +function MathRound(x) { return %Math_round(ToNumber(x)); }
|
|
|
| -// ECMA-262, section 15.8.1.3.
|
| -%AddProperty($Math, "LN2", 0.6931471805599453, DONT_ENUM | DONT_DELETE | READ_ONLY);
|
| +// ECMA 262 - 15.8.2.16
|
| +function MathSin(x) { return %Math_sin(ToNumber(x)); }
|
|
|
| -// ECMA-262, section 15.8.1.4.
|
| -%AddProperty($Math, "LOG2E", 1.4426950408889634, DONT_ENUM | DONT_DELETE | READ_ONLY);
|
| -%AddProperty($Math, "LOG10E", 0.43429448190325176, DONT_ENUM | DONT_DELETE | READ_ONLY);
|
| -%AddProperty($Math, "PI", 3.1415926535897932, DONT_ENUM | DONT_DELETE | READ_ONLY);
|
| -%AddProperty($Math, "SQRT1_2", 0.7071067811865476, DONT_ENUM | DONT_DELETE | READ_ONLY);
|
| -%AddProperty($Math, "SQRT2", 1.4142135623730951, DONT_ENUM | DONT_DELETE | READ_ONLY);
|
| +// ECMA 262 - 15.8.2.17
|
| +function MathSqrt(x) { return %Math_sqrt(ToNumber(x)); }
|
| +
|
| +// ECMA 262 - 15.8.2.18
|
| +function MathTan(x) { return %Math_tan(ToNumber(x)); }
|
| +
|
| +
|
| +// -------------------------------------------------------------------
|
| +
|
| +function SetupMath() {
|
| + // Setup math constants.
|
| + // ECMA-262, section 15.8.1.1.
|
| + %AddProperty($Math, "E", 2.7182818284590452354, DONT_ENUM | DONT_DELETE | READ_ONLY);
|
| + // ECMA-262, section 15.8.1.2.
|
| + %AddProperty($Math, "LN10", 2.302585092994046, DONT_ENUM | DONT_DELETE | READ_ONLY);
|
| + // ECMA-262, section 15.8.1.3.
|
| + %AddProperty($Math, "LN2", 0.6931471805599453, DONT_ENUM | DONT_DELETE | READ_ONLY);
|
| + // ECMA-262, section 15.8.1.4.
|
| + %AddProperty($Math, "LOG2E", 1.4426950408889634, DONT_ENUM | DONT_DELETE | READ_ONLY);
|
| + %AddProperty($Math, "LOG10E", 0.43429448190325176, DONT_ENUM | DONT_DELETE | READ_ONLY);
|
| + %AddProperty($Math, "PI", 3.1415926535897932, DONT_ENUM | DONT_DELETE | READ_ONLY);
|
| + %AddProperty($Math, "SQRT1_2", 0.7071067811865476, DONT_ENUM | DONT_DELETE | READ_ONLY);
|
| + %AddProperty($Math, "SQRT2", 1.4142135623730951, DONT_ENUM | DONT_DELETE | READ_ONLY);
|
| +
|
| + // Setup non-enumerable functions of the Math object and
|
| + // set their names.
|
| + InstallFunctions($Math, DONT_ENUM, $Array(
|
| + "random", MathRandom,
|
| + "abs", MathAbs,
|
| + "acos", MathAcos,
|
| + "asin", MathAsin,
|
| + "atan", MathAtan,
|
| + "ceil", MathCeil,
|
| + "cos", MathCos,
|
| + "exp", MathExp,
|
| + "floor", MathFloor,
|
| + "log", MathLog,
|
| + "round", MathRound,
|
| + "sin", MathSin,
|
| + "sqrt", MathSqrt,
|
| + "tan", MathTan,
|
| + "atan2", MathAtan2,
|
| + "pow", MathPow,
|
| + "max", MathMax,
|
| + "min", MathMin
|
| + ));
|
| +};
|
| +
|
| +
|
| +SetupMath();
|
|
|