public int formatFloatValue(char[] formattedValue, float value, int decimalDigitsNumber) {
        return FloatUtils.formatFloat(formattedValue, value, formattedValue.length - appendedText.length,
                decimalDigitsNumber,
                decimalSeparator);
    }
@see #formatFloatValueWithPrependedAndAppendedText(char[], float, int, char[])
hellocharts-library/src/lecho/lib/hellocharts/formatter/ValueFormatterHelper.java