Examples of java.math.BigDecimal.divide()

java.math.BigDecimal.divide()
Returns a {@code BigDecimal} whose value is {@code (this /divisor)}, with rounding according to the context settings. @param divisor value by which this {@code BigDecimal} is to be divided. @param mc the context to use. @return {@code this / divisor}, rounded as necessary. @throws ArithmeticException if the result is inexact but therounding mode is {@code UNNECESSARY} or {@code mc.precision == 0} and the quotient has a non-terminating decimal expansion. @since 1.5

                while (taxAdustmentIter.hasNext()) {
                    GenericValue taxAdjustment = (GenericValue) taxAdustmentIter.next();
                    taxPercentage = taxPercentage.add(taxAdjustment.getBigDecimal("sourcePercentage"));
                    BigDecimal adjAmount = taxAdjustment.getBigDecimal("amount");
                    taxTotal = taxTotal.add(adjAmount);
                    priceWithTax = priceWithTax.add(adjAmount.divide(quantity,salestaxCalcDecimals,salestaxRounding));
                    Debug.logInfo("For productId [" + productId + "] added [" + adjAmount.divide(quantity,salestaxCalcDecimals,salestaxRounding) + "] of tax to price for geoId [" + taxAdjustment.getString("taxAuthGeoId") + "], new price is [" + priceWithTax + "]", module);
                }
            }
        } catch (GenericEntityException e) {
            String errMsg = "Data error getting tax settings: " + e.toString();

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                    GenericValue taxAdjustment = (GenericValue) taxAdustmentIter.next();
                    taxPercentage = taxPercentage.add(taxAdjustment.getBigDecimal("sourcePercentage"));
                    BigDecimal adjAmount = taxAdjustment.getBigDecimal("amount");
                    taxTotal = taxTotal.add(adjAmount);
                    priceWithTax = priceWithTax.add(adjAmount.divide(quantity,salestaxCalcDecimals,salestaxRounding));
                    Debug.logInfo("For productId [" + productId + "] added [" + adjAmount.divide(quantity,salestaxCalcDecimals,salestaxRounding) + "] of tax to price for geoId [" + taxAdjustment.getString("taxAuthGeoId") + "], new price is [" + priceWithTax + "]", module);
                }
            }
        } catch (GenericEntityException e) {
            String errMsg = "Data error getting tax settings: " + e.toString();
            Debug.logError(e, errMsg, module);

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                            }
                        } else if (adj.get("sourcePercentage") != null) {
                            // pro-rate the amount
                            // set decimals = 100 means we don't round this intermediate value, which is very important
                            BigDecimal percent = adj.getBigDecimal("sourcePercentage");
                            percent = percent.divide(new BigDecimal(100), 100, rounding);
                            amount = billingAmount.multiply(percent);
                            amount = amount.divide(originalOrderItem.getBigDecimal("quantity"), 100, rounding);
                            amount = amount.multiply(billingQuantity);
                            amount = amount.setScale(invoiceTypeDecimals, rounding);
                        }

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            adjAmount = amount;
        }
        else if (adj.get("sourcePercentage") != null) {
            // pro-rate the amount
            BigDecimal percent = adj.getBigDecimal("sourcePercentage");
            percent = percent.divide(new BigDecimal(100), 100, rounding);
            BigDecimal amount = ZERO;
            // make sure the divisor is not 0 to avoid NaN problems; just leave the amount as 0 and skip it in essense
            if (divisor.signum() != 0) {
                // multiply first then divide to avoid rounding errors
                amount = percent.multiply(divisor);

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                    quoteUnitPrice = BigDecimal.ZERO;
                }
                if (amount.compareTo(BigDecimal.ZERO) > 0) {
                    // If, in the quote, an amount is set, we need to
                    // pass to the cart the quoteUnitPrice/amount value.
                    quoteUnitPrice = quoteUnitPrice.divide(amount, generalRounding);
                }


                //rental product data
                Timestamp reservStart = quoteItem.getTimestamp("reservStart");
                BigDecimal reservLength = quoteItem.getBigDecimal("reservLength");

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                        break;
                    case OPERATOR_MULTIPLY:
                        resultValue = resultValue.multiply(calcop.calcValue(methodContext, scale, roundingMode));
                        break;
                    case OPERATOR_DIVIDE:
                        resultValue = resultValue.divide(calcop.calcValue(methodContext, scale, roundingMode), scale, roundingMode);
                        break;
                    }
                }
                // Debug.logInfo("sub total so far: " + resultValue, module);
            }

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                            GenericValue newAdjustment = GenericValue.create(adjustment);
                            BigDecimal adjAmount = newAdjustment.getBigDecimal("amount");


                            // we use != becuase adjustments can be +/-
                            if (adjAmount != null && adjAmount.compareTo(BigDecimal.ZERO) != 0)
                                newAdjustment.set("amount", adjAmount.divide(baseQuantity, generalRounding));
                            Debug.logInfo("Cloned adj: " + newAdjustment, module);
                            item.addAdjustment(newAdjustment);
                        } else {
                            Debug.logInfo("Clone Adjustment is null", module);
                        }

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                        GenericValue newAdjustment = GenericValue.create(adjustment);
                        BigDecimal adjAmount = newAdjustment.getBigDecimal("amount");


                        // we use != becuase adjustments can be +/-
                        if (adjAmount != null && adjAmount.compareTo(BigDecimal.ZERO) != 0)
                            newAdjustment.set("amount", adjAmount.divide(baseQuantity, generalRounding));
                        Debug.logInfo("Updated adj: " + newAdjustment, module);
                        this.addAdjustment(newAdjustment);
                    }
                }
            }

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       BigDecimal x1 = new BigDecimal(Math.sqrt(a.doubleValue()));
       while (!x0.equals(x1)) {
           x0 = x1;
           x1 = a.divide(x0, scale, roundingMode);
           x1 = x1.add(x0);
           x1 = x1.divide(TWO, scale, roundingMode);


       }
       return x1;
   }

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                            }
                        } else if (adj.get("sourcePercentage") != null) {
                            // pro-rate the amount
                            // set decimals = 100 means we don't round this intermediate value, which is very important
                            BigDecimal percent = adj.getBigDecimal("sourcePercentage");
                            percent = percent.divide(new BigDecimal(100), 100, rounding);
                            amount = billingAmount.multiply(percent);
                            amount = amount.divide(originalOrderItem.getBigDecimal("quantity"), 100, rounding);
                            amount = amount.multiply(billingQuantity);
                            amount = amount.setScale(invoiceTypeDecimals, rounding);
                        }

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