method
round
v2_6_3 -
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Class: BigDecimal
- 1_8_6_287
- 1_8_7_72
- 1_8_7_330
- 1_9_1_378 (0)
- 1_9_2_180 (-2)
- 1_9_3_125 (0)
- 1_9_3_392 (0)
- 2_1_10 (19)
- 2_2_9 (0)
- 2_4_6 (38)
- 2_5_5 (0)
- 2_6_3 (0)
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round(p1 = v1, p2 = v2)
public
Round to the nearest integer (by default), returning the result as a BigDecimal.
BigDecimal('3.14159').round #=> 3 BigDecimal('8.7').round #=> 9 BigDecimal('-9.9').round #=> -10
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.