lindong28 commented on code in PR #166:
URL: https://github.com/apache/flink-ml/pull/166#discussion_r1013532619
##########
flink-ml-core/src/main/java/org/apache/flink/ml/param/DoubleParam.java:
##########
@@ -32,4 +34,12 @@ public DoubleParam(
public DoubleParam(String name, String description, Double defaultValue) {
this(name, description, defaultValue, ParamValidators.alwaysTrue());
}
+
+ @Override
+ public Double jsonDecode(Object json) throws IOException {
+ if (json instanceof String && json.equals(String.valueOf(Double.NaN)))
{
+ return Double.NaN;
+ }
+ return (Double) json;
Review Comment:
Can you add unit tests in StageTest to cover the save/load of these values
for each of the parameter types affected by PR?
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