diff options
Diffstat (limited to 'deps/v8/src/math.js')
| -rw-r--r-- | deps/v8/src/math.js | 32 |
1 files changed, 15 insertions, 17 deletions
diff --git a/deps/v8/src/math.js b/deps/v8/src/math.js index b802de0f46..af2d0acda0 100644 --- a/deps/v8/src/math.js +++ b/deps/v8/src/math.js @@ -10,22 +10,20 @@ var $floor; var $max; var $min; -(function() { +(function(global, shared, exports) { "use strict"; %CheckIsBootstrapping(); var GlobalObject = global.Object; -var GlobalArray = global.Array; //------------------------------------------------------------------- // ECMA 262 - 15.8.2.1 function MathAbs(x) { x = +x; - if (x > 0) return x; - return 0 - x; + return (x > 0) ? x : 0 - x; } // ECMA 262 - 15.8.2.2 @@ -90,7 +88,7 @@ function MathMax(arg1, arg2) { // length == 2 var r = -INFINITY; for (var i = 0; i < length; i++) { var n = %_Arguments(i); - if (!IS_NUMBER(n)) n = NonNumberToNumber(n); + n = TO_NUMBER_INLINE(n); // Make sure +0 is considered greater than -0. if (NUMBER_IS_NAN(n) || n > r || (r === 0 && n === 0 && %_IsMinusZero(r))) { r = n; @@ -117,7 +115,7 @@ function MathMin(arg1, arg2) { // length == 2 var r = INFINITY; for (var i = 0; i < length; i++) { var n = %_Arguments(i); - if (!IS_NUMBER(n)) n = NonNumberToNumber(n); + n = TO_NUMBER_INLINE(n); // Make sure -0 is considered less than +0. if (NUMBER_IS_NAN(n) || n < r || (r === 0 && n === 0 && %_IsMinusZero(n))) { r = n; @@ -177,7 +175,7 @@ function MathTrunc(x) { // ES6 draft 09-27-13, section 20.2.2.33. function MathTanh(x) { - if (!IS_NUMBER(x)) x = NonNumberToNumber(x); + x = TO_NUMBER_INLINE(x); // Idempotent for +/-0. if (x === 0) return x; // Returns +/-1 for +/-Infinity. @@ -189,7 +187,7 @@ function MathTanh(x) { // ES6 draft 09-27-13, section 20.2.2.5. function MathAsinh(x) { - if (!IS_NUMBER(x)) x = NonNumberToNumber(x); + x = TO_NUMBER_INLINE(x); // Idempotent for NaN, +/-0 and +/-Infinity. if (x === 0 || !NUMBER_IS_FINITE(x)) return x; if (x > 0) return MathLog(x + %_MathSqrt(x * x + 1)); @@ -199,7 +197,7 @@ function MathAsinh(x) { // ES6 draft 09-27-13, section 20.2.2.3. function MathAcosh(x) { - if (!IS_NUMBER(x)) x = NonNumberToNumber(x); + x = TO_NUMBER_INLINE(x); if (x < 1) return NAN; // Idempotent for NaN and +Infinity. if (!NUMBER_IS_FINITE(x)) return x; @@ -208,7 +206,7 @@ function MathAcosh(x) { // ES6 draft 09-27-13, section 20.2.2.7. function MathAtanh(x) { - if (!IS_NUMBER(x)) x = NonNumberToNumber(x); + x = TO_NUMBER_INLINE(x); // Idempotent for +/-0. if (x === 0) return x; // Returns NaN for NaN and +/- Infinity. @@ -226,7 +224,7 @@ function MathHypot(x, y) { // Function length is 2. var max = 0; for (var i = 0; i < length; i++) { var n = %_Arguments(i); - if (!IS_NUMBER(n)) n = NonNumberToNumber(n); + n = TO_NUMBER_INLINE(n); if (n === INFINITY || n === -INFINITY) return INFINITY; n = MathAbs(n); if (n > max) max = n; @@ -263,7 +261,7 @@ function MathClz32JS(x) { // Using initial approximation adapted from Kahan's cbrt and 4 iterations // of Newton's method. function MathCbrt(x) { - if (!IS_NUMBER(x)) x = NonNumberToNumber(x); + x = TO_NUMBER_INLINE(x); if (x == 0 || !NUMBER_IS_FINITE(x)) return x; return x >= 0 ? CubeRoot(x) : -CubeRoot(-x); } @@ -296,7 +294,7 @@ var Math = new MathConstructor(); %AddNamedProperty(Math, symbolToStringTag, "Math", READ_ONLY | DONT_ENUM); // Set up math constants. -InstallConstants(Math, GlobalArray( +$installConstants(Math, [ // ECMA-262, section 15.8.1.1. "E", 2.7182818284590452354, // ECMA-262, section 15.8.1.2. @@ -309,11 +307,11 @@ InstallConstants(Math, GlobalArray( "PI", 3.1415926535897932, "SQRT1_2", 0.7071067811865476, "SQRT2", 1.4142135623730951 -)); +]); // Set up non-enumerable functions of the Math object and // set their names. -InstallFunctions(Math, DONT_ENUM, GlobalArray( +$installFunctions(Math, DONT_ENUM, [ "random", MathRandom, "abs", MathAbs, "acos", MathAcosJS, @@ -340,7 +338,7 @@ InstallFunctions(Math, DONT_ENUM, GlobalArray( "fround", MathFroundJS, "clz32", MathClz32JS, "cbrt", MathCbrt -)); +]); %SetInlineBuiltinFlag(MathAbs); %SetInlineBuiltinFlag(MathAcosJS); @@ -362,4 +360,4 @@ $floor = MathFloorJS; $max = MathMax; $min = MathMin; -})(); +}) |