Java: Decimal places and other feature requests

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Feature request to add a parameter that can control the number of decimal places returned. For example:

• doubleToString( -0.331678f, 2 ) returns "-0.33".
• doubleToString( -0.331678f, 5 ) returns "-0.33167".

Perhaps something like:

    index = min( index,
                 abs( index - (olength - (vplength + e10)) + decimals ) );
    return new String( result, 0, index );

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Not sure about the feasibility of the next requests:

• A version that always rounds (to remove the enum and eliminate the extra parameter).
• A version without scientific notation (to eliminate a conditional statement).