julianhyde commented on PR #3234:
URL: https://github.com/apache/calcite/pull/3234#issuecomment-1624488746
If I were to make `safeDouble` always return true, would any tests fail?
If I wrote
```
boolean safeBoolean(boolean b) {
return b == true || b == false;
}
```
it's obvious that it will always return true. But I don't see how
`safeDouble` is any different, because you've already dealt with inf and -inf.
Maybe you just need to check for NaN. `java.lang.Double` has methods for that
kind of thing.
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