Github user sujith71955 commented on a diff in the pull request:
https://github.com/apache/incubator-carbondata/pull/194#discussion_r90505720
--- Diff:
core/src/main/java/org/apache/carbondata/core/util/DataTypeUtil.java ---
@@ -411,4 +411,24 @@ private static String parseStringToBigDecimal(String
value, CarbonDimension dime
}
return null;
}
+ /**
+ * This method will compare double values it will preserve
+ * the -0.0 and 0.0 equality as per == ,also preserve NaN equality check
as per
+ * java.lang.Double.equals()
+ *
+ * @param d1 double value for equality check
+ * @param d2 double value for equality check
+ * @return boolean after comparing two double values.
+ */
+ public static int compareDoubleWithNan(Double d1, Double d2) {
+if ((d1.doubleValue() == d2.doubleValue()) || (Double.isNaN(d1) &&
Double.isNaN(d2))) {
+ return 0;
+}
+else if (d1 < d2) {
+ return -1;
+}
+else {
--- End diff --
yes, i think we can remove the unnecessary else statement itself.
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