256 lines
11 KiB
C++
256 lines
11 KiB
C++
/*
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* Legal Notice
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*
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* This document and associated source code (the "Work") is a part of a
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* benchmark specification maintained by the TPC.
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*
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* The TPC reserves all right, title, and interest to the Work as provided
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* under U.S. and international laws, including without limitation all patent
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* and trademark rights therein.
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*
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* No Warranty
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*
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* 1.1 TO THE MAXIMUM EXTENT PERMITTED BY APPLICABLE LAW, THE INFORMATION
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* CONTAINED HEREIN IS PROVIDED "AS IS" AND WITH ALL FAULTS, AND THE
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* AUTHORS AND DEVELOPERS OF THE WORK HEREBY DISCLAIM ALL OTHER
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* WARRANTIES AND CONDITIONS, EITHER EXPRESS, IMPLIED OR STATUTORY,
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* INCLUDING, BUT NOT LIMITED TO, ANY (IF ANY) IMPLIED WARRANTIES,
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* DUTIES OR CONDITIONS OF MERCHANTABILITY, OF FITNESS FOR A PARTICULAR
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* PURPOSE, OF ACCURACY OR COMPLETENESS OF RESPONSES, OF RESULTS, OF
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* WORKMANLIKE EFFORT, OF LACK OF VIRUSES, AND OF LACK OF NEGLIGENCE.
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* ALSO, THERE IS NO WARRANTY OR CONDITION OF TITLE, QUIET ENJOYMENT,
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* QUIET POSSESSION, CORRESPONDENCE TO DESCRIPTION OR NON-INFRINGEMENT
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* WITH REGARD TO THE WORK.
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* 1.2 IN NO EVENT WILL ANY AUTHOR OR DEVELOPER OF THE WORK BE LIABLE TO
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* ANY OTHER PARTY FOR ANY DAMAGES, INCLUDING BUT NOT LIMITED TO THE
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* COST OF PROCURING SUBSTITUTE GOODS OR SERVICES, LOST PROFITS, LOSS
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* OF USE, LOSS OF DATA, OR ANY INCIDENTAL, CONSEQUENTIAL, DIRECT,
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* INDIRECT, OR SPECIAL DAMAGES WHETHER UNDER CONTRACT, TORT, WARRANTY,
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* OR OTHERWISE, ARISING IN ANY WAY OUT OF THIS OR ANY OTHER AGREEMENT
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* RELATING TO THE WORK, WHETHER OR NOT SUCH AUTHOR OR DEVELOPER HAD
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* ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.
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*
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* Contributors:
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* Gradient Systems
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*/
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#include "config.h"
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#include "porting.h"
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#include <stdio.h>
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#include "decimal.h"
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#include "pricing.h"
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#include "constants.h"
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#include "columns.h"
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#include "error_msg.h"
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#include "dist.h"
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#include "genrand.h"
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#include "w_web_sales.h"
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#define MAX_LIMIT 12
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static ds_limits_t aPriceLimits[MAX_LIMIT] = {
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{CS_PRICING, CS_QUANTITY_MAX, CS_MARKUP_MAX, CS_DISCOUNT_MAX, CS_WHOLESALE_MAX, CS_COUPON_MAX},
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{SS_PRICING, SS_QUANTITY_MAX, SS_MARKUP_MAX, SS_DISCOUNT_MAX, SS_WHOLESALE_MAX, SS_COUPON_MAX},
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{WS_PRICING, WS_QUANTITY_MAX, WS_MARKUP_MAX, WS_DISCOUNT_MAX, WS_WHOLESALE_MAX, WS_COUPON_MAX},
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{CR_PRICING, CS_QUANTITY_MAX, CS_MARKUP_MAX, CS_DISCOUNT_MAX, CS_WHOLESALE_MAX, CS_COUPON_MAX},
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{SR_PRICING, SS_QUANTITY_MAX, SS_MARKUP_MAX, SS_DISCOUNT_MAX, SS_WHOLESALE_MAX, SS_COUPON_MAX},
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{WR_PRICING, WS_QUANTITY_MAX, WS_MARKUP_MAX, WS_DISCOUNT_MAX, WS_WHOLESALE_MAX, WS_COUPON_MAX},
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{S_PLINE_PRICING, WS_QUANTITY_MAX, WS_MARKUP_MAX, WS_DISCOUNT_MAX, WS_WHOLESALE_MAX, WS_COUPON_MAX},
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{S_CLIN_PRICING, WS_QUANTITY_MAX, WS_MARKUP_MAX, WS_DISCOUNT_MAX, WS_WHOLESALE_MAX, WS_COUPON_MAX},
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{S_WLIN_PRICING, WS_QUANTITY_MAX, WS_MARKUP_MAX, WS_DISCOUNT_MAX, WS_WHOLESALE_MAX, WS_COUPON_MAX},
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{S_SRET_PRICING, WS_QUANTITY_MAX, WS_MARKUP_MAX, WS_DISCOUNT_MAX, WS_WHOLESALE_MAX, WS_COUPON_MAX},
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{S_CRET_PRICING, WS_QUANTITY_MAX, WS_MARKUP_MAX, WS_DISCOUNT_MAX, WS_WHOLESALE_MAX, WS_COUPON_MAX},
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{S_WRET_PRICING, WS_QUANTITY_MAX, WS_MARKUP_MAX, WS_DISCOUNT_MAX, WS_WHOLESALE_MAX, WS_COUPON_MAX}
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};
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/*
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* Routine: set_pricing(int nTabId, ds_pricing_t *pPricing)
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* Purpose: handle the various pricing calculations for the fact tables
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* Notes:
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* the RNG usage is not kept in sync between sales pricing and returns pricing.
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*If the calculations look wrong, it may be necessary to "waste" some RNG calls
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*on one side or the other to bring things back in line Data Structures:
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*
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* Params:
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* Returns:
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* Called By:
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* Calls:
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* Assumptions:
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* Side Effects:
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* TODO: None
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*/
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void set_pricing(int nTabId, ds_pricing_t *pPricing) {
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static int nLastId = -1, nQuantityMax, nQuantityMin = 1;
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static decimal_t dQuantity, dMarkupMin, dDiscountMin, dWholesaleMin, dMarkupMax, dDiscountMax, dWholesaleMax,
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dCouponMin, dCouponMax, dZero, dOneHalf, d9pct, dOne, dTemp, dHundred;
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decimal_t dMarkup, dCoupon, dShipping, dDiscount, dTemp2;
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int i, nCashPct, nCreditPct, nCouponUsage;
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if (!InitConstants::set_pricing_init) {
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strtodec(&dMarkupMin, "0.00");
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strtodec(&dDiscountMin, "0.00");
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strtodec(&dWholesaleMin, "1.00");
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strtodec(&dCouponMin, "0.00");
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strtodec(&dZero, "0.00");
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strtodec(&dOneHalf, "0.50");
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strtodec(&d9pct, "0.09");
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strtodec(&dWholesaleMin, "1.00");
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strtodec(&dHundred, "100.00");
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strtodec(&dOne, "1.00");
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InitConstants::set_pricing_init = 1;
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}
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if (nTabId != nLastId) {
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nLastId = -1;
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for (i = 0; i < MAX_LIMIT; i++) {
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if (nTabId == aPriceLimits[i].nId)
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nLastId = i;
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}
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if (nLastId == -1)
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INTERNAL("No pricing limits defined");
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nQuantityMax = atoi(aPriceLimits[nLastId].szQuantity);
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strtodec(&dDiscountMax, aPriceLimits[nLastId].szDiscount);
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strtodec(&dMarkupMax, aPriceLimits[nLastId].szMarkUp);
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strtodec(&dWholesaleMax, aPriceLimits[nLastId].szWholesale);
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strtodec(&dCouponMax, aPriceLimits[nLastId].szCoupon);
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}
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switch (nTabId) {
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case SS_PRICING:
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case CS_PRICING:
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case WS_PRICING:
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case S_PLINE_PRICING:
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case S_CLIN_PRICING:
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case S_WLIN_PRICING:
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genrand_integer(&pPricing->quantity, DIST_UNIFORM, nQuantityMin, nQuantityMax, 0, nTabId);
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itodec(&dQuantity, pPricing->quantity);
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genrand_decimal(&pPricing->wholesale_cost, DIST_UNIFORM, &dWholesaleMin, &dWholesaleMax, NULL, nTabId);
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/* ext_wholesale_cost = wholesale_cost * quantity */
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decimal_t_op(&pPricing->ext_wholesale_cost, OP_MULT, &dQuantity, &pPricing->wholesale_cost);
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/* list_price = wholesale_cost * (1 + markup) */
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genrand_decimal(&dMarkup, DIST_UNIFORM, &dMarkupMin, &dMarkupMax, NULL, nTabId);
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decimal_t_op(&dMarkup, OP_PLUS, &dMarkup, &dOne);
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decimal_t_op(&pPricing->list_price, OP_MULT, &pPricing->wholesale_cost, &dMarkup);
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/* sales_price = list_price * (1 - discount)*/
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genrand_decimal(&dDiscount, DIST_UNIFORM, &dDiscountMin, &dDiscountMax, NULL, nTabId);
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NegateDecimal(&dDiscount);
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decimal_t_op(&pPricing->ext_discount_amt, OP_PLUS, &dDiscount, &dOne);
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decimal_t_op(&pPricing->sales_price, OP_MULT, &pPricing->list_price, &pPricing->ext_discount_amt);
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/* ext_list_price = list_price * quantity */
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decimal_t_op(&pPricing->ext_list_price, OP_MULT, &pPricing->list_price, &dQuantity);
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/* ext_sales_price = sales_price * quantity */
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decimal_t_op(&pPricing->ext_sales_price, OP_MULT, &pPricing->sales_price, &dQuantity);
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/* ext_discount_amt = ext_list_price - ext_sales_price */
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decimal_t_op(&pPricing->ext_discount_amt, OP_MINUS, &pPricing->ext_list_price, &pPricing->ext_sales_price);
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/* coupon_amt = ext_sales_price * coupon */
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genrand_decimal(&dCoupon, DIST_UNIFORM, &dZero, &dOne, NULL, nTabId);
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genrand_integer(&nCouponUsage, DIST_UNIFORM, 1, 100, 0, nTabId);
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if (nCouponUsage <= 20) /* 20% of sales employ a coupon */
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decimal_t_op(&pPricing->coupon_amt, OP_MULT, &pPricing->ext_sales_price, &dCoupon);
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else
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memcpy(&pPricing->coupon_amt, &dZero, sizeof(decimal_t));
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/* net_paid = ext_sales_price - coupon_amt */
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decimal_t_op(&pPricing->net_paid, OP_MINUS, &pPricing->ext_sales_price, &pPricing->coupon_amt);
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/* shipping_cost = list_price * shipping */
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genrand_decimal(&dShipping, DIST_UNIFORM, &dZero, &dOneHalf, NULL, nTabId);
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decimal_t_op(&pPricing->ship_cost, OP_MULT, &pPricing->list_price, &dShipping);
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/* ext_shipping_cost = shipping_cost * quantity */
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decimal_t_op(&pPricing->ext_ship_cost, OP_MULT, &pPricing->ship_cost, &dQuantity);
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/* net_paid_inc_ship = net_paid + ext_shipping_cost */
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decimal_t_op(&pPricing->net_paid_inc_ship, OP_PLUS, &pPricing->net_paid, &pPricing->ext_ship_cost);
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/* ext_tax = tax * net_paid */
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genrand_decimal(&pPricing->tax_pct, DIST_UNIFORM, &dZero, &d9pct, NULL, nTabId);
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decimal_t_op(&pPricing->ext_tax, OP_MULT, &pPricing->net_paid, &pPricing->tax_pct);
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/* net_paid_inc_tax = net_paid + ext_tax */
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decimal_t_op(&pPricing->net_paid_inc_tax, OP_PLUS, &pPricing->net_paid, &pPricing->ext_tax);
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/* net_paid_inc_ship_tax = net_paid_inc_tax + ext_shipping_cost */
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decimal_t_op(&pPricing->net_paid_inc_ship_tax, OP_PLUS, &pPricing->net_paid_inc_ship, &pPricing->ext_tax);
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/* net_profit = net_paid - ext_wholesale_cost */
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decimal_t_op(&pPricing->net_profit, OP_MINUS, &pPricing->net_paid, &pPricing->ext_wholesale_cost);
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break;
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case CR_PRICING:
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case SR_PRICING:
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case WR_PRICING:
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/* quantity is determined before we are called */
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/* ext_wholesale_cost = wholesale_cost * quantity */
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itodec(&dQuantity, pPricing->quantity);
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decimal_t_op(&pPricing->ext_wholesale_cost, OP_MULT, &dQuantity, &pPricing->wholesale_cost);
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/* ext_list_price = list_price * quantity */
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decimal_t_op(&pPricing->ext_list_price, OP_MULT, &pPricing->list_price, &dQuantity);
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/* ext_sales_price = sales_price * quantity */
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decimal_t_op(&pPricing->ext_sales_price, OP_MULT, &pPricing->sales_price, &dQuantity);
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/* net_paid = ext_list_price (couppons don't effect returns) */
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memcpy(&pPricing->net_paid, &pPricing->ext_sales_price, sizeof(decimal_t));
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/* shipping_cost = list_price * shipping */
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genrand_decimal(&dShipping, DIST_UNIFORM, &dZero, &dOneHalf, NULL, nTabId);
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decimal_t_op(&pPricing->ship_cost, OP_MULT, &pPricing->list_price, &dShipping);
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/* ext_shipping_cost = shipping_cost * quantity */
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decimal_t_op(&pPricing->ext_ship_cost, OP_MULT, &pPricing->ship_cost, &dQuantity);
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/* net_paid_inc_ship = net_paid + ext_shipping_cost */
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decimal_t_op(&pPricing->net_paid_inc_ship, OP_PLUS, &pPricing->net_paid, &pPricing->ext_ship_cost);
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/* ext_tax = tax * net_paid */
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decimal_t_op(&pPricing->ext_tax, OP_MULT, &pPricing->net_paid, &pPricing->tax_pct);
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/* net_paid_inc_tax = net_paid + ext_tax */
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decimal_t_op(&pPricing->net_paid_inc_tax, OP_PLUS, &pPricing->net_paid, &pPricing->ext_tax);
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/* net_paid_inc_ship_tax = net_paid_inc_tax + ext_shipping_cost */
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decimal_t_op(&pPricing->net_paid_inc_ship_tax, OP_PLUS, &pPricing->net_paid_inc_ship, &pPricing->ext_tax);
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/* net_profit = net_paid - ext_wholesale_cost */
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decimal_t_op(&pPricing->net_profit, OP_MINUS, &pPricing->net_paid, &pPricing->ext_wholesale_cost);
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/* see to it that the returned amounts add up to the total returned */
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/* allocate some of return to cash */
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genrand_integer(&nCashPct, DIST_UNIFORM, 0, 100, 0, nTabId);
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itodec(&dTemp, nCashPct);
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decimal_t_op(&pPricing->refunded_cash, OP_DIV, &dTemp, &dHundred);
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decimal_t_op(&pPricing->refunded_cash, OP_MULT, &pPricing->refunded_cash, &pPricing->net_paid);
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/* allocate some to reversed charges */
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genrand_integer(&nCreditPct, DIST_UNIFORM, 1, 100, 0, nTabId);
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itodec(&dTemp2, nCreditPct);
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decimal_t_op(&dTemp, OP_DIV, &dTemp2, &dHundred);
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decimal_t_op(&dTemp2, OP_MINUS, &pPricing->net_paid, &pPricing->refunded_cash);
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decimal_t_op(&pPricing->reversed_charge, OP_MULT, &dTemp2, &dTemp);
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/* the rest is store credit */
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decimal_t_op(&pPricing->store_credit, OP_MINUS, &pPricing->net_paid, &pPricing->reversed_charge);
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decimal_t_op(&pPricing->store_credit, OP_MINUS, &pPricing->store_credit, &pPricing->refunded_cash);
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/* pick a fee for the return */
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genrand_decimal(&pPricing->fee, DIST_UNIFORM, &dOneHalf, &dHundred, &dZero, nTabId);
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/* and calculate the net effect */
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decimal_t_op(&pPricing->net_loss, OP_MINUS, &pPricing->net_paid_inc_ship_tax, &pPricing->store_credit);
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decimal_t_op(&pPricing->net_loss, OP_MINUS, &pPricing->net_loss, &pPricing->refunded_cash);
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decimal_t_op(&pPricing->net_loss, OP_MINUS, &pPricing->net_loss, &pPricing->reversed_charge);
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decimal_t_op(&pPricing->net_loss, OP_PLUS, &pPricing->net_loss, &pPricing->fee);
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break;
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}
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return;
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}
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