Examples of java.math.BigDecimal.scale()

java.math.BigDecimal.scale()
Returns the scale of this {@code BigDecimal}. If zero or positive, the scale is the number of digits to the right of the decimal point. If negative, the unscaled value of the number is multiplied by ten to the power of the negation of the scale. For example, a scale of {@code -3} means the unscaledvalue is multiplied by 1000. @return the scale of this {@code BigDecimal}.

                throw new InvalidDatatypeValueException(msg);
            }enumCheck(d, enumDecimal);
        }


        if ((fFacetsDefined & DatatypeValidator.FACET_FRACTIONDIGITS)!=0) {
            if (d.scale() > fFractionDigits) {
                String msg = getErrorString(
                                           DatatypeMessageProvider.fgMessageKeys[DatatypeMessageProvider.FRACTION_EXCEEDED],
                                           new Object[] {
                                               "'" + content + "'" + " with fractionDigits = '"+ d.scale() +"'",
                                               "'" + fFractionDigits + "'"

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        if ((fFacetsDefined & DatatypeValidator.FACET_FRACTIONDIGITS)!=0) {
            if (d.scale() > fFractionDigits) {
                String msg = getErrorString(
                                           DatatypeMessageProvider.fgMessageKeys[DatatypeMessageProvider.FRACTION_EXCEEDED],
                                           new Object[] {
                                               "'" + content + "'" + " with fractionDigits = '"+ d.scale() +"'",
                                               "'" + fFractionDigits + "'"
                                           });
                throw new InvalidDatatypeValueException(msg);
            }
        }

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                                           });
                throw new InvalidDatatypeValueException(msg);
            }
        }
        if ((fFacetsDefined & DatatypeValidator.FACET_TOTALDIGITS)!=0) {
            int totalDigits = d.movePointRight(d.scale()).toString().length() -
                              ((d.signum() < 0) ? 1 : 0); // account for minus sign
            if (totalDigits > fTotalDigits) {


                String msg = getErrorString(
                                           DatatypeMessageProvider.fgMessageKeys[DatatypeMessageProvider.TOTALDIGITS_EXCEEDED],

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            28));
      }
    }
    // the bit manipulations above may change the scale so do it afterwards
    // round the scale to the max MS can support
    if (destinationDecimal.scale() > 28) {
      destinationDecimal = destinationDecimal.setScale(28, roundingModel);
    }
    if (destinationDecimal.scale() < 0) {
      destinationDecimal = destinationDecimal.setScale(0, roundingModel);
    }

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    // the bit manipulations above may change the scale so do it afterwards
    // round the scale to the max MS can support
    if (destinationDecimal.scale() > 28) {
      destinationDecimal = destinationDecimal.setScale(28, roundingModel);
    }
    if (destinationDecimal.scale() < 0) {
      destinationDecimal = destinationDecimal.setScale(0, roundingModel);
    }
    return destinationDecimal;
  }
}

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            boolean negative = clean.startsWith("-");
            if (rescale && clean.indexOf(DoubleData.getDecimalSeparatorStr()) != -1) {
                BigDecimal bd = new BigDecimal(clean);


                // rescale if we've lost digits after the decimal point
                if (bd.scale() < scale) {
                    bd = bd.setScale(scale);
                }
                bd = bd.scaleByPowerOfTen(bd.scale());   
                clean = bd.toString();
            }

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                // rescale if we've lost digits after the decimal point
                if (bd.scale() < scale) {
                    bd = bd.setScale(scale);
                }
                bd = bd.scaleByPowerOfTen(bd.scale());   
                clean = bd.toString();
            }
            // handle negatives
            if(negative) {
                if("-".equals(clean) || "0".equals(clean) || "-0".equals(clean)) {

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    // it's scale is set to 30. so we can't use the max number when there is
    // a scale
    BigDecimal modifiedDecimal = endDecimal;
    System.out.println("integer piece starts                       as "
        + modifiedDecimal.unscaledValue().toString(16) + " scale=: "
        + modifiedDecimal.scale());
    System.out.println("integer piece after rounding without scale is "
        + VariantUtilities.roundToMSDecimal(modifiedDecimal)
            .unscaledValue().toString(16) + " scale=: "
        + modifiedDecimal.scale());
    System.out.println("integer piece after rounding with scale 30 is "

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        + modifiedDecimal.unscaledValue().toString(16) + " scale=: "
        + modifiedDecimal.scale());
    System.out.println("integer piece after rounding without scale is "
        + VariantUtilities.roundToMSDecimal(modifiedDecimal)
            .unscaledValue().toString(16) + " scale=: "
        + modifiedDecimal.scale());
    System.out.println("integer piece after rounding with scale 30 is "
        + VariantUtilities.roundToMSDecimal(
            modifiedDecimal.setScale(30)).unscaledValue().toString(
            16) + " scale=: " + modifiedDecimal.scale());
    try {

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            .unscaledValue().toString(16) + " scale=: "
        + modifiedDecimal.scale());
    System.out.println("integer piece after rounding with scale 30 is "
        + VariantUtilities.roundToMSDecimal(
            modifiedDecimal.setScale(30)).unscaledValue().toString(
            16) + " scale=: " + modifiedDecimal.scale());
    try {
      testVariant.putDecimal(VariantUtilities
          .roundToMSDecimal(modifiedDecimal.setScale(30)));
      fail("should have thrown an exception for a number whose scale "
          + "change created too many digits to be represented.");

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