Examples of java.math.BigDecimal.subtract()

java.math.BigDecimal.subtract()
Returns a {@code BigDecimal} whose value is {@code (this -subtrahend)}, and whose scale is {@code max(this.scale(),subtrahend.scale())}. @param subtrahend value to be subtracted from this {@code BigDecimal}. @return {@code this - subtrahend}

      int curCodePoint = cur.intValue();
      if (0 == curCodePoint) {
        break;
      }


      cur = cur.subtract(new BigDecimal(curCodePoint));
      sb.append(Character.toChars(curCodePoint));
    }


    return sb.toString();
  }

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  }


  public void assertIsCloseTo(final AssertionInfo info, final BigDecimal actual, final BigDecimal other, final Offset<BigDecimal> offset) {
    assertNotNull(info, actual);
    final BigDecimal differenceAbsoluteValue = abs(actual.subtract(other));
    if (differenceAbsoluteValue.subtract(offset.value).compareTo(BigDecimal.ZERO) <= 0) return;
    throw failures.failure(info, shouldBeEqual(actual, other, offset, differenceAbsoluteValue));
  }


  // borrowed from java 7 API ... to remove when we will be using Java 7 instead of java 6.
  private BigDecimal abs(final BigDecimal bigDecimal) {

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            BigDecimal bd = getFieldAsBigDecimal(FIELDS[i]);
            bd = bd.multiply(factor).add(carry);
            
            buf[i] = bd.setScale(0, BigDecimal.ROUND_DOWN);
            
            bd = bd.subtract(buf[i]);
            if (i == 1) {
                if (bd.signum() != 0) {
                    throw new IllegalStateException(); // illegal carry-down
                } else {
                    carry = ZERO;

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        BigDecimal orderQty = orderItem.getBigDecimal("quantity");


        if (cancelQty == null) cancelQty = ZERO;
        if (orderQty == null) orderQty = ZERO;


        return orderQty.subtract(cancelQty).setScale(scale, rounding);
    }


    public static BigDecimal getOrderItemShipGroupQuantity(GenericValue shipGroupAssoc) {
        BigDecimal cancelQty = shipGroupAssoc.getBigDecimal("cancelQuantity");
        BigDecimal orderQty = shipGroupAssoc.getBigDecimal("quantity");

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        BigDecimal orderQty = shipGroupAssoc.getBigDecimal("quantity");


        if (cancelQty == null) cancelQty = BigDecimal.ZERO;
        if (orderQty == null) orderQty = BigDecimal.ZERO;


        return orderQty.subtract(cancelQty);
    }


    public static GenericValue getProductStoreFromOrder(Delegator delegator, String orderId) {
        GenericValue orderHeader = getOrderHeader(delegator, orderId);
        if (orderHeader == null) {

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            if (results.get("messages") != null) {
                List<String> message = UtilGenerics.checkList(results.get("messages"));
                messages.addAll(message);
            }
            if (results.get("processAmount") != null) {
                totalRemaining = totalRemaining.subtract(((BigDecimal) results.get("processAmount")));
            }
        }


        Debug.logInfo("Finished with auth(s) checking results", module);

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        }


        String itemStatus = orderItem.getString("statusId");
        BigDecimal orderQty = orderItem.getBigDecimal("quantity");
        if (orderItem.getBigDecimal("cancelQuantity") != null) {
            orderQty = orderQty.subtract(orderItem.getBigDecimal("cancelQuantity"));
        }


        // get the returnable quantity
        BigDecimal returnableQuantity = BigDecimal.ZERO;
        if (returnable && (itemStatus.equals("ITEM_APPROVED") || itemStatus.equals("ITEM_COMPLETED"))) {

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                    case OPERATOR_ADD:
                        resultValue = resultValue.add(calcop.calcValue(methodContext, scale, roundingMode));
                        break;
                    case OPERATOR_SUBTRACT:
                    case OPERATOR_NEGATIVE:
                        resultValue = resultValue.subtract(calcop.calcValue(methodContext, scale, roundingMode));
                        break;
                    case OPERATOR_MULTIPLY:
                        resultValue = resultValue.multiply(calcop.calcValue(methodContext, scale, roundingMode));
                        break;
                    case OPERATOR_DIVIDE:

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    // numeric scale.
    for (int i = 0; i < 18 && abs.compareTo(BigDecimal.ZERO) != 0; i++) {
      abs = abs.movePointRight(2);
      d = abs.intValue();
      dst.put((byte) ((2 * d + 1) & 0xff));
      abs = abs.subtract(BigDecimal.valueOf(d));
    }
    a[offset + dst.getPosition() - 1] &= 0xfe; // terminal digit should be 2x
    if (isNeg) {
      // negative values encoded as ~M
      DESCENDING.apply(a, offset + startM, dst.getPosition() - startM);

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    // numeric scale.
    for (int i = 0; i < 18 && abs.compareTo(BigDecimal.ZERO) != 0; i++) {
      abs = abs.movePointRight(2);
      d = abs.intValue();
      dst.put((byte) (2 * d + 1));
      abs = abs.subtract(BigDecimal.valueOf(d));
    }


    a[offset + dst.getPosition() - 1] &= 0xfe; // terminal digit should be 2x
    if (isNeg) {
      // negative values encoded as ~M

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