How do I round a number in Groovy?

You can use:

Math.round(x * 100) / 100

If x is a BigDecimal (the default in Groovy), this will be exact.

If you're dealing with doubles or floats

You can simply use

assert xyz == 1.789
xyz.round(1) == 1.8
xyz.round(2) == 1.79

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