Hide Math function implementations in a closure.

src/typedarray.js

 // Copyright 2013 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 "use strict";
 
 // This file relies on the fact that the following declaration has been made
 // in runtime.js:
 // var $Array = global.Array;
 var $ArrayBuffer = global.ArrayBuffer;
@@ skipping 144 matching lines @@
     throw MakeTypeError('incompatible_method_receiver',
                         ["NAME.subarray", this]);
   }
   var beginInt = TO_INTEGER(begin);
   if (!IS_UNDEFINED(end)) {
     end = TO_INTEGER(end);
   }
 
   var srcLength = %_TypedArrayGetLength(this);
   if (beginInt < 0) {
-    beginInt = MathMax(0, srcLength + beginInt);
+    beginInt = $max(0, srcLength + beginInt);
   } else {
-    beginInt = MathMin(srcLength, beginInt);
+    beginInt = $min(srcLength, beginInt);
   }
 
   var endInt = IS_UNDEFINED(end) ? srcLength : end;
   if (endInt < 0) {
-    endInt = MathMax(0, srcLength + endInt);
+    endInt = $max(0, srcLength + endInt);
   } else {
-    endInt = MathMin(endInt, srcLength);
+    endInt = $min(endInt, srcLength);
   }
   if (endInt < beginInt) {
     endInt = beginInt;
   }
   var newLength = endInt - beginInt;
   var beginByteOffset =
       %_ArrayBufferViewGetByteOffset(this) + beginInt * ELEMENT_SIZE;
   return new $NAME(%TypedArrayGetBuffer(this),
                    beginByteOffset, newLength);
 }
@@ skipping 288 matching lines @@
 
       "getFloat32", DataViewGetFloat32JS,
       "setFloat32", DataViewSetFloat32JS,
 
       "getFloat64", DataViewGetFloat64JS,
       "setFloat64", DataViewSetFloat64JS
   ));
 }
 
 SetupDataView();