Examples of java.math.BigDecimal.abs()

java.math.BigDecimal.abs()
Returns a {@code BigDecimal} whose value is the absolute valueof this {@code BigDecimal}, and whose scale is {@code this.scale()}. @return {@code abs(this)}

        break;
      default:
        throw new UnsupportedOperationException(dataType + " is not supported yet");
    }


    return inclusive ? columnCard.add(new BigDecimal(1)).abs() : columnCard.abs();
  }


  /**
   * It computes the value cardinality of a tuple range.
   * @return

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        // Returns true if x equals y within a percentage of the mean
        // x and y are BigDecimal
        public static boolean isEqualWithinPerCent(BigDecimal x, BigDecimal y, BigDecimal perCent){
            boolean test=false;
            BigDecimal limit = (x.add(y)).multiply(perCent).multiply(new BigDecimal("0.005"));
            if(((x.subtract(y)).abs()).compareTo(limit.abs())<=0)test = true;
            limit = null;
            return test;
        }


        // Returns true if x equals y within a percentage of the mean

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        public static boolean isEqualWithinPerCent(BigInteger x, BigInteger y, BigDecimal perCent){
            boolean test=false;
            BigDecimal xx = new BigDecimal(x);
            BigDecimal yy = new BigDecimal(y);
            BigDecimal limit = (xx.add(yy)).multiply(perCent).multiply(new BigDecimal("0.005"));
            if(((xx.subtract(yy)).abs()).compareTo(limit.abs())<=0)test = true;
            limit = null;
            xx = null;
            yy = null;
            return test;
        }

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            boolean test=false;
            BigDecimal xx = new BigDecimal(x);
            BigDecimal yy = new BigDecimal(y);
            BigDecimal pc = new BigDecimal(perCent);
            BigDecimal limit = (xx.add(yy)).multiply(pc).multiply(new BigDecimal("0.005"));
            if(((xx.subtract(yy)).abs()).compareTo(limit.abs())<=0)test = true;
            limit = null;
            xx = null;
            yy = null;
            pc = null;
            return test;

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      super.update(racao);
      
      // calcula a diferença da quantidade de ração alterada
      BigDecimal diferenca = racaoOld.getQuantidade().subtract(racao.getQuantidade());
      if(!diferenca.equals(BigDecimal.ZERO))
        movimentacaoService.insert(racao,diferenca.abs(),diferenca.compareTo(BigDecimal.ZERO));
      
      // consulta os itens gravados anteriormente no banco
      List<Itensracao> itensOld = itensService.findByRacao(racao);
      
      if(itens != null && itensOld != null){

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        if ((returnAmountByOrder != null) && (returnAmountByOrder.keySet() != null)) {
            Iterator orderIterator = returnAmountByOrder.keySet().iterator();
            while (orderIterator.hasNext()) {
                String orderId = (String) orderIterator.next();
                BigDecimal returnAmount = (BigDecimal) returnAmountByOrder.get(orderId);
                if (returnAmount.abs().compareTo(new BigDecimal("0.000001")) < 0) {
                    Debug.logError("Order [" + orderId + "] refund amount[ " + returnAmount + "] less than zero", module);
                    return ServiceUtil.returnError(UtilProperties.getMessage(resource_error, "OrderReturnTotalCannotLessThanZero", locale));
                }
                OrderReadHelper helper = new OrderReadHelper(delegator, orderId);
                BigDecimal grandTotal = helper.getOrderGrandTotal();

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                    // If the absolute invoiced amount >= the abs of the adjustment amount, the full amount has already been invoiced,
                    //  so skip this adjustment
                    if (adj.get("amount") == null) { // JLR 17/4/7 : fix a bug coming from POS in case of use of a discount (on item(s) or sale, item(s) here) and a cash amount higher than total (hence issuing change)
                        continue;
                    }
                    if (adjAlreadyInvoicedAmount.abs().compareTo(adj.getBigDecimal("amount").setScale(invoiceTypeDecimals, ROUNDING).abs()) > 0) {
                        continue;
                    }


                    BigDecimal amount = ZERO;
                    if (adj.get("amount") != null) {

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                // If the absolute invoiced amount >= the abs of the adjustment amount, the full amount has already been invoiced,
                //  so skip this adjustment
                if (null == adj.get("amount")) { // JLR 17/4/7 : fix a bug coming from POS in case of use of a discount (on item(s) or sale, sale here) and a cash amount higher than total (hence issuing change)
                    continue;
                }
                if (adjAlreadyInvoicedAmount.abs().compareTo(adj.getBigDecimal("amount").setScale(invoiceTypeDecimals, ROUNDING).abs()) > 0) {
                    continue;
                }


                if ("SHIPPING_CHARGES".equals(adj.getString("orderAdjustmentTypeId"))) {
                    shipAdjustments.put(adj, adjAlreadyInvoicedAmount);

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        if ((returnAmountByOrder != null) && (returnAmountByOrder.keySet() != null)) {
            Iterator orderIterator = returnAmountByOrder.keySet().iterator();
            while (orderIterator.hasNext()) {
                String orderId = (String) orderIterator.next();
                BigDecimal returnAmount = (BigDecimal) returnAmountByOrder.get(orderId);
                if (returnAmount.abs().compareTo(new BigDecimal("0.000001")) < 0) {
                    Debug.logError("Order [" + orderId + "] refund amount[ " + returnAmount + "] less than zero", module);
                    return ServiceUtil.returnError(UtilProperties.getMessage(resource_error, "OrderReturnTotalCannotLessThanZero", locale));
                }
                OrderReadHelper helper = new OrderReadHelper(delegator, orderId);
                BigDecimal grandTotal = helper.getOrderGrandTotal();

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            BigDecimal quantity = (BigDecimal)context.get("quantity");
            quantity = quantity == null ? BigDecimal.ONE : quantity;
            boolean negative = amount.signum() < 0;
            // Ensure that price and quantity are positive since the terms may not be linear.
            amount = amount.abs();
            quantity = quantity.abs();
            String productId = (String) context.get("productId");
            String invoiceItemTypeId = (String) context.get("invoiceItemTypeId");
            String invoiceItemSeqId = (String) context.get("invoiceItemSeqId");
            String invoiceId = (String) context.get("invoiceId");

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