Version 3.0.7

src/math.js

 // Copyright 2006-2008 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 26 matching lines @@
 // purpose for MathConstructor.
 function MathConstructor() {}
 %FunctionSetInstanceClassName(MathConstructor, 'Math');
 const $Math = new MathConstructor();
 $Math.__proto__ = global.Object.prototype;
 %SetProperty(global, "Math", $Math, DONT_ENUM);
 
 // ECMA 262 - 15.8.2.1
 function MathAbs(x) {
   if (%_IsSmi(x)) return x >= 0 ? x : -x;
-  if (!IS_NUMBER(x)) x = ToNumber(x);
+  if (!IS_NUMBER(x)) x = NonNumberToNumber(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 = ToNumber(x);
+  if (!IS_NUMBER(x)) x = NonNumberToNumber(x);
   return %Math_acos(x);
 }
 
 // ECMA 262 - 15.8.2.3
 function MathAsin(x) {
-  if (!IS_NUMBER(x)) x = ToNumber(x);
+  if (!IS_NUMBER(x)) x = NonNumberToNumber(x);
   return %Math_asin(x);
 }
 
 // ECMA 262 - 15.8.2.4
 function MathAtan(x) {
-  if (!IS_NUMBER(x)) x = ToNumber(x);
+  if (!IS_NUMBER(x)) x = NonNumberToNumber(x);
   return %Math_atan(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 = ToNumber(y);
-  if (!IS_NUMBER(x)) x = ToNumber(x);
+  if (!IS_NUMBER(y)) y = NonNumberToNumber(y);
+  if (!IS_NUMBER(x)) x = NonNumberToNumber(x);
   return %Math_atan2(y, x);
 }
 
 // ECMA 262 - 15.8.2.6
 function MathCeil(x) {
-  if (!IS_NUMBER(x)) x = ToNumber(x);
+  if (!IS_NUMBER(x)) x = NonNumberToNumber(x);
   return %Math_ceil(x);
 }
 
 // ECMA 262 - 15.8.2.7
 function MathCos(x) {
-  if (!IS_NUMBER(x)) x = ToNumber(x);
+  if (!IS_NUMBER(x)) x = NonNumberToNumber(x);
   return %_MathCos(x);
 }
 
 // ECMA 262 - 15.8.2.8
 function MathExp(x) {
-  if (!IS_NUMBER(x)) x = ToNumber(x);
+  if (!IS_NUMBER(x)) x = NonNumberToNumber(x);
   return %Math_exp(x);
 }
 
 // ECMA 262 - 15.8.2.9
 function MathFloor(x) {
-  if (!IS_NUMBER(x)) x = ToNumber(x);
+  if (!IS_NUMBER(x)) x = NonNumberToNumber(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) {
     // Numbers in the range [0, 2^31) can be floored by converting
     // them to an unsigned 32-bit value using the shift operator.
     // We avoid doing so for -0, because the result of Math.floor(-0)
     // has to be -0, which wouldn't be the case with the shift.
     return TO_UINT32(x);
   } else {
     return %Math_floor(x);
   }
 }
 
 // ECMA 262 - 15.8.2.10
 function MathLog(x) {
-  if (!IS_NUMBER(x)) x = ToNumber(x);
+  if (!IS_NUMBER(x)) x = NonNumberToNumber(x);
   return %_MathLog(x);
 }
 
 // ECMA 262 - 15.8.2.11
 function MathMax(arg1, arg2) {  // length == 2
   var length = %_ArgumentsLength();
   if (length == 0) {
     return -1/0;  // Compiler constant-folds this to -Infinity.
   }
   var r = arg1;
-  if (!IS_NUMBER(r)) r = ToNumber(r);
+  if (!IS_NUMBER(r)) r = NonNumberToNumber(r);
   if (NUMBER_IS_NAN(r)) return r;
   for (var i = 1; i < length; i++) {
     var n = %_Arguments(i);
-    if (!IS_NUMBER(n)) n = ToNumber(n);
+    if (!IS_NUMBER(n)) n = NonNumberToNumber(n);
     if (NUMBER_IS_NAN(n)) return n;
     // Make sure +0 is considered greater than -0.  -0 is never a Smi, +0 can be
     // a Smi or heap number.
     if (n > r || (r === 0 && n === 0 && !%_IsSmi(r) && 1 / r < 0)) r = n;
   }
   return r;
 }
 
 // ECMA 262 - 15.8.2.12
 function MathMin(arg1, arg2) {  // length == 2
   var length = %_ArgumentsLength();
   if (length == 0) {
     return 1/0;  // Compiler constant-folds this to Infinity.
   }
   var r = arg1;
-  if (!IS_NUMBER(r)) r = ToNumber(r);
+  if (!IS_NUMBER(r)) r = NonNumberToNumber(r);
   if (NUMBER_IS_NAN(r)) return r;
   for (var i = 1; i < length; i++) {
     var n = %_Arguments(i);
-    if (!IS_NUMBER(n)) n = ToNumber(n);
+    if (!IS_NUMBER(n)) n = NonNumberToNumber(n);
     if (NUMBER_IS_NAN(n)) return n;
     // Make sure -0 is considered less than +0.  -0 is never a Smi, +0 can b a
     // Smi or a heap number.
     if (n < r || (r === 0 && n === 0 && !%_IsSmi(n) && 1 / n < 0)) r = n;
   }
   return r;
 }
 
 // ECMA 262 - 15.8.2.13
 function MathPow(x, y) {
-  if (!IS_NUMBER(x)) x = ToNumber(x);
-  if (!IS_NUMBER(y)) y = ToNumber(y);
+  if (!IS_NUMBER(x)) x = NonNumberToNumber(x);
+  if (!IS_NUMBER(y)) y = NonNumberToNumber(y);
   return %_MathPow(x, y);
 }
 
 // ECMA 262 - 15.8.2.14
 function MathRandom() {
   return %_RandomHeapNumber();
 }
 
 // ECMA 262 - 15.8.2.15
 function MathRound(x) {
-  if (!IS_NUMBER(x)) x = ToNumber(x);
+  if (!IS_NUMBER(x)) x = NonNumberToNumber(x);
   return %RoundNumber(x);
 }
 
 // ECMA 262 - 15.8.2.16
 function MathSin(x) {
-  if (!IS_NUMBER(x)) x = ToNumber(x);
+  if (!IS_NUMBER(x)) x = NonNumberToNumber(x);
   return %_MathSin(x);
 }
 
 // ECMA 262 - 15.8.2.17
 function MathSqrt(x) {
-  if (!IS_NUMBER(x)) x = ToNumber(x);
+  if (!IS_NUMBER(x)) x = NonNumberToNumber(x);
   return %_MathSqrt(x);
 }
 
 // ECMA 262 - 15.8.2.18
 function MathTan(x) {
-  if (!IS_NUMBER(x)) x = ToNumber(x);
+  if (!IS_NUMBER(x)) x = NonNumberToNumber(x);
   return %Math_tan(x);
 }
 
 
 // -------------------------------------------------------------------
 
 function SetupMath() {
   // Setup math constants.
   // ECMA-262, section 15.8.1.1.
   %OptimizeObjectForAddingMultipleProperties($Math, 8);
@@ skipping 53 matching lines @@
     "tan", MathTan,
     "atan2", MathAtan2,
     "pow", MathPow,
     "max", MathMax,
     "min", MathMin
   ));
 };
 
 
 SetupMath();