intermediate checkin

src/turnstile.cpp

@@ -0,0 +1,37 @@
+#include "precompiled.h"
+#include "turnstile.h"
+
+
+Turnstile::Turnstile() {
+}
+
+
+Turnstile::~Turnstile() {
+}
+
+QList<QString> Turnstile::splitAmount(double amount, int parts) {
+	QList<QString> amounts;
+	fillAmounts(amounts, amount, parts);
+
+	// Ensure they all add up!
+	double sumofparts = 0;
+	for (auto a : amounts) {
+		sumofparts += a.toDouble();
+	}
+
+	Q_ASSERT(sumofparts == amount);
+	return amounts;
+}
+
+void Turnstile::fillAmounts(QList<QString>& amounts, double amount, int count) {
+	if (count == 1 || amount < 1) {
+		amounts.push_back(QString::number(amount, 'g', 8));
+		return;
+	}
+
+	// Get a random amount off the amount and call recursively.
+	auto curAmount = std::rand() % (int)std::floor(amount);
+	amounts.push_back(QString::number(curAmount, 'g', 8));
+
+	fillAmounts(amounts, amount - curAmount, count - 1);
+}