diff options
Diffstat (limited to 'deps/v8/src/math.js')
| -rw-r--r-- | deps/v8/src/math.js | 65 |
1 files changed, 24 insertions, 41 deletions
diff --git a/deps/v8/src/math.js b/deps/v8/src/math.js index 9ba1934b85..efab63a186 100644 --- a/deps/v8/src/math.js +++ b/deps/v8/src/math.js @@ -45,59 +45,51 @@ var $Math = new MathConstructor(); // ECMA 262 - 15.8.2.1 function MathAbs(x) { if (%_IsSmi(x)) return x >= 0 ? x : -x; - if (!IS_NUMBER(x)) x = NonNumberToNumber(x); + x = TO_NUMBER_INLINE(x); if (x === 0) return 0; // To handle -0. return x > 0 ? x : -x; } // ECMA 262 - 15.8.2.2 function MathAcos(x) { - if (!IS_NUMBER(x)) x = NonNumberToNumber(x); - return %Math_acos(x); + return %Math_acos(TO_NUMBER_INLINE(x)); } // ECMA 262 - 15.8.2.3 function MathAsin(x) { - if (!IS_NUMBER(x)) x = NonNumberToNumber(x); - return %Math_asin(x); + return %Math_asin(TO_NUMBER_INLINE(x)); } // ECMA 262 - 15.8.2.4 function MathAtan(x) { - if (!IS_NUMBER(x)) x = NonNumberToNumber(x); - return %Math_atan(x); + return %Math_atan(TO_NUMBER_INLINE(x)); } // ECMA 262 - 15.8.2.5 // The naming of y and x matches the spec, as does the order in which // ToNumber (valueOf) is called. function MathAtan2(y, x) { - if (!IS_NUMBER(y)) y = NonNumberToNumber(y); - if (!IS_NUMBER(x)) x = NonNumberToNumber(x); - return %Math_atan2(y, x); + return %Math_atan2(TO_NUMBER_INLINE(y), TO_NUMBER_INLINE(x)); } // ECMA 262 - 15.8.2.6 function MathCeil(x) { - if (!IS_NUMBER(x)) x = NonNumberToNumber(x); - return %Math_ceil(x); + return %Math_ceil(TO_NUMBER_INLINE(x)); } // ECMA 262 - 15.8.2.7 function MathCos(x) { - if (!IS_NUMBER(x)) x = NonNumberToNumber(x); - return %_MathCos(x); + return %_MathCos(TO_NUMBER_INLINE(x)); } // ECMA 262 - 15.8.2.8 function MathExp(x) { - if (!IS_NUMBER(x)) x = NonNumberToNumber(x); - return %Math_exp(x); + return %Math_exp(TO_NUMBER_INLINE(x)); } // ECMA 262 - 15.8.2.9 function MathFloor(x) { - if (!IS_NUMBER(x)) x = NonNumberToNumber(x); + x = TO_NUMBER_INLINE(x); // It's more common to call this with a positive number that's out // of range than negative numbers; check the upper bound first. if (x < 0x80000000 && x > 0) { @@ -113,16 +105,15 @@ function MathFloor(x) { // ECMA 262 - 15.8.2.10 function MathLog(x) { - if (!IS_NUMBER(x)) x = NonNumberToNumber(x); - return %_MathLog(x); + return %_MathLog(TO_NUMBER_INLINE(x)); } // ECMA 262 - 15.8.2.11 function MathMax(arg1, arg2) { // length == 2 var length = %_ArgumentsLength(); if (length == 2) { - if (!IS_NUMBER(arg1)) arg1 = NonNumberToNumber(arg1); - if (!IS_NUMBER(arg2)) arg2 = NonNumberToNumber(arg2); + arg1 = TO_NUMBER_INLINE(arg1); + arg2 = TO_NUMBER_INLINE(arg2); if (arg2 > arg1) return arg2; if (arg1 > arg2) return arg1; if (arg1 == arg2) { @@ -131,9 +122,9 @@ function MathMax(arg1, arg2) { // length == 2 return (arg1 == 0 && !%_IsSmi(arg1) && 1 / arg1 < 0) ? arg2 : arg1; } // All comparisons failed, one of the arguments must be NaN. - return 0/0; // Compiler constant-folds this to NaN. + return NAN; } - var r = -1/0; // Compiler constant-folds this to -Infinity. + var r = -INFINITY; for (var i = 0; i < length; i++) { var n = %_Arguments(i); if (!IS_NUMBER(n)) n = NonNumberToNumber(n); @@ -151,8 +142,8 @@ function MathMax(arg1, arg2) { // length == 2 function MathMin(arg1, arg2) { // length == 2 var length = %_ArgumentsLength(); if (length == 2) { - if (!IS_NUMBER(arg1)) arg1 = NonNumberToNumber(arg1); - if (!IS_NUMBER(arg2)) arg2 = NonNumberToNumber(arg2); + arg1 = TO_NUMBER_INLINE(arg1); + arg2 = TO_NUMBER_INLINE(arg2); if (arg2 > arg1) return arg1; if (arg1 > arg2) return arg2; if (arg1 == arg2) { @@ -161,9 +152,9 @@ function MathMin(arg1, arg2) { // length == 2 return (arg1 == 0 && !%_IsSmi(arg1) && 1 / arg1 < 0) ? arg1 : arg2; } // All comparisons failed, one of the arguments must be NaN. - return 0/0; // Compiler constant-folds this to NaN. + return NAN; } - var r = 1/0; // Compiler constant-folds this to Infinity. + var r = INFINITY; for (var i = 0; i < length; i++) { var n = %_Arguments(i); if (!IS_NUMBER(n)) n = NonNumberToNumber(n); @@ -179,9 +170,7 @@ function MathMin(arg1, arg2) { // length == 2 // ECMA 262 - 15.8.2.13 function MathPow(x, y) { - if (!IS_NUMBER(x)) x = NonNumberToNumber(x); - if (!IS_NUMBER(y)) y = NonNumberToNumber(y); - return %_MathPow(x, y); + return %_MathPow(TO_NUMBER_INLINE(x), TO_NUMBER_INLINE(y)); } // ECMA 262 - 15.8.2.14 @@ -191,33 +180,27 @@ function MathRandom() { // ECMA 262 - 15.8.2.15 function MathRound(x) { - if (!IS_NUMBER(x)) x = NonNumberToNumber(x); - return %RoundNumber(x); + return %RoundNumber(TO_NUMBER_INLINE(x)); } // ECMA 262 - 15.8.2.16 function MathSin(x) { - if (!IS_NUMBER(x)) x = NonNumberToNumber(x); - return %_MathSin(x); + return %_MathSin(TO_NUMBER_INLINE(x)); } // ECMA 262 - 15.8.2.17 function MathSqrt(x) { - if (!IS_NUMBER(x)) x = NonNumberToNumber(x); - return %_MathSqrt(x); + return %_MathSqrt(TO_NUMBER_INLINE(x)); } // ECMA 262 - 15.8.2.18 function MathTan(x) { - if (!IS_NUMBER(x)) x = NonNumberToNumber(x); - return %_MathTan(x); + return %_MathTan(TO_NUMBER_INLINE(x)); } // Non-standard extension. function MathImul(x, y) { - if (!IS_NUMBER(x)) x = NonNumberToNumber(x); - if (!IS_NUMBER(y)) y = NonNumberToNumber(y); - return %NumberImul(x, y); + return %NumberImul(TO_NUMBER_INLINE(x), TO_NUMBER_INLINE(y)); } |