From 0f0349810f6b83cf4f2ea61916b5c85f4b5df5c3 Mon Sep 17 00:00:00 2001
From: Kistaro Windrider <kistaro@gmail.com>
Date: Sat, 18 Nov 2023 18:09:40 -0800
Subject: [PATCH] WinnerMaxBid

---
 auctionsim/summary.go | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/auctionsim/summary.go b/auctionsim/summary.go
index cf047f2..2cdb311 100644
--- a/auctionsim/summary.go
+++ b/auctionsim/summary.go
@@ -5,7 +5,7 @@ import (
 	"strconv"
 )
 
-/// Digits of precision in floating-point values in CSVs.
+// Digits of precision in floating-point values in CSVs.
 const CSVPrecision = 10
 
 /**
@@ -18,6 +18,8 @@ type ResultSummary struct {
 	Price float64
 	/// The amount of value the winner actually got out of the auctioned item.
 	WinnerValue float64
+	/// The highest bid the auction winner was willing to make.
+	WinnerMaxBid float64
 	/**
 	 * The amount by which the winner's value of the item exceeded the price
 	 * they paid. Often negative.
@@ -79,6 +81,7 @@ func Summarize(price float64, allBidders []Bidder) *ResultSummary {
 		Bidders:            len(allBidders),
 		Price:              price,
 		WinnerValue:        winner.Value,
+		WinnerMaxBid:       winner.BidCeiling(),
 		WinnerProfit:       winner.Value - price,
 		LosersWithRegrets:  regrets,
 		HighestValue:       maxValue,
@@ -98,6 +101,7 @@ func ResultSummaryCSVHeader() []string {
 		"Bidders",
 		"Price",
 		"WinnerValue",
+		"WinnerMaxBid",
 		"WinnerProfit",
 		"LosersWithRegrets",
 		"HighestValue",
@@ -121,6 +125,7 @@ func (s *ResultSummary) CSVRecord() []string {
 		strconv.Itoa(s.Bidders),
 		csvFloat(s.Price),
 		csvFloat(s.WinnerValue),
+		csvFloat(s.WinnerMaxBid),
 		csvFloat(s.WinnerProfit),
 		strconv.Itoa(s.LosersWithRegrets),
 		csvFloat(s.HighestValue),