round(p1 = v1, p2 = v2) public

Round to the nearest 1 (by default), returning the result as a BigDecimal.

BigDecimal(‘3.14159’).round -> 3

BigDecimal(‘8.7’).round -> 9

If n is specified and positive, the fractional part of the result has no more than that many digits.

If n is specified and negative, at least that many digits to the left of the decimal point will be 0 in the result.

BigDecimal(‘3.14159’).round(3) -> 3.142

BigDecimal(‘13345.234’).round(-2) -> 13300.0

The value of the optional mode argument can be used to determine how rounding is performed; see BigDecimal.mode.

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