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v4.0
    v4.0

    round() | Round

    Parameters, Value

    Round function returns the nearest integer to a certain numeric value; when there are two nearest integers, takes the larger one (needs to specify decimal places  V4.1 , i.e. precision). In V4.1, the corresponding relation between decimal places and specified number of decimal places is as follows:

    Decimal Places ... hundred's digit ten's digit unit's digit digit with 1 decimal place digit with 2 decimal places ...
    Numbers of Decimal Places ... -2 -1 0 1 2 ...

    Syntax:

    • V4.0 Format: round(<raw>)
    • V4.1 Format: round(<raw>, <decimal_places>)
    • Parameters: see table below
    • Value: ATTR (number)
    Name Category Specification Description
    raw ATTR(number) / the numeric value to be calculated
    decimal_places  V4.1  int Not mandatory, = 0 by default Number of decimal places,only V4.1 supports this parameter

    Common Usage

    Example: round -25.5 with 1 decimal place

    return round(-25.5)
    

    Example (V4.1): find 10 cards whose balances are over 500,000, round their balance to -4 decimal place

    find().nodes({@card.balance >= 500000}) as n
    limit 10
    return round(n.balance, -4) 
    
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