Fixes #410

lib/runtime/dart/math.js

 dart_library.library('dart/math', null, /* Imports */[
   "dart/_runtime",
   'dart/core'
 ], /* Lazy imports */[
   'dart/_js_helper'
 ], function(exports, dart, core, _js_helper) {
   'use strict';
   let dartx = dart.dartx;
   class _JenkinsSmiHash extends core.Object {
     static combine(hash, value) {
@@ skipping 251 matching lines @@
     if (!(typeof a == 'number')) dart.throw(new core.ArgumentError(a));
     if (!(typeof b == 'number')) dart.throw(new core.ArgumentError(b));
     if (dart.notNull(a) > dart.notNull(b)) return b;
     if (dart.notNull(a) < dart.notNull(b)) return a;
     if (typeof b == 'number') {
       if (typeof a == 'number') {
         if (a == 0.0) {
           return (dart.notNull(a) + dart.notNull(b)) * dart.notNull(a) * dart.notNull(b);
         }
       }
-      if (a == 0 && dart.notNull(b.isNegative) || dart.notNull(b.isNaN)) return b;
+      if (a == 0 && dart.notNull(b[dartx.isNegative]) || dart.notNull(b[dartx.isNaN])) return b;
       return a;
     }
     return a;
   }
   dart.fn(min, () => dart.definiteFunctionType(dart.dynamic, [dart.dynamic, dart.dynamic]));
   function max(a, b) {
     if (!(typeof a == 'number')) dart.throw(new core.ArgumentError(a));
     if (!(typeof b == 'number')) dart.throw(new core.ArgumentError(b));
     if (dart.notNull(a) > dart.notNull(b)) return a;
     if (dart.notNull(a) < dart.notNull(b)) return b;
     if (typeof b == 'number') {
       if (typeof a == 'number') {
         if (a == 0.0) {
           return dart.notNull(a) + dart.notNull(b);
         }
       }
-      if (dart.notNull(b.isNaN)) return b;
+      if (dart.notNull(b[dartx.isNaN])) return b;
       return a;
     }
-    if (b == 0 && dart.notNull(a.isNegative)) return b;
+    if (b == 0 && dart.notNull(a[dartx.isNegative])) return b;
     return a;
   }
   dart.fn(max, () => dart.definiteFunctionType(dart.dynamic, [dart.dynamic, dart.dynamic]));
   function atan2(a, b) {
     return Math.atan2(_js_helper.checkNum(a), _js_helper.checkNum(b));
   }
   dart.fn(atan2, core.double, [core.num, core.num]);
   function pow(x, exponent) {
     _js_helper.checkNum(x);
     _js_helper.checkNum(exponent);
@@ skipping 199 matching lines @@
   exports.sin = sin;
   exports.cos = cos;
   exports.tan = tan;
   exports.acos = acos;
   exports.asin = asin;
   exports.atan = atan;
   exports.sqrt = sqrt;
   exports.exp = exp;
   exports.log = log;
 });