Update Compare method@JValue.cs (#1310)

For JTokenType.Float, we should add the comparison for decimal type.

Src/Newtonsoft.Json.Tests/Linq/JValueTests.cs

@@ -341,6 +341,7 @@ namespace Newtonsoft.Json.Tests.Linq
             Assert.IsTrue(JToken.DeepEquals(new JValue(5L), new JValue(5)));
             Assert.IsFalse(JToken.DeepEquals(new JValue(5M), new JValue(5)));
             Assert.IsTrue(JToken.DeepEquals(new JValue((ulong)long.MaxValue), new JValue(long.MaxValue)));
+            Assert.IsFalse(JToken.DeepEquals(new JValue(0.102410241024102424m), new JValue(0.102410241024102425m))); 
         }
 
         [Test]
@@ -852,4 +853,4 @@ namespace Newtonsoft.Json.Tests.Linq
         }
 #endif
     }
-}
+}

Src/Newtonsoft.Json/Linq/JValue.cs

@@ -297,6 +297,10 @@ namespace Newtonsoft.Json.Linq
                         return -CompareBigInteger((BigInteger)objB, objA);
                     }
 #endif
+                    if (objA is ulong || objB is ulong || objA is decimal || objB is decimal)
+                    {
+                        return Convert.ToDecimal(objA, CultureInfo.InvariantCulture).CompareTo(Convert.ToDecimal(objB, CultureInfo.InvariantCulture));
+                    }
                     return CompareFloat(objA, objB);
                 case JTokenType.Comment:
                 case JTokenType.String: