Nivruth

https://issues.apache.org/jira/browse/LANG-1519

@ameyjadiye @garydgregory refactored & moved to NumberUtils

> What should these method return when a double is not-a-number? @garydgregory, great question. IMO the methods isZero(), isPositive(), isNegative() should return false for float/double NaNs & vice versa for...

> What about other JRE numbers like atomic numbers and big numbers? How should those be treated? @garydgregory one way to handle special numbers (BigInteger, BigDecimal, AtomicInteger, AtomicLong) is to...

> Hi @nnivruth > In general, since we are a general purpose library, I would say that you should consider all subclasses of `Number` that are built-in the Java 8...

@garydgregory , Been thinking and trying to make these functions more OO and rely on a single method but seeing some difficulties with type casting (esp for special types of...