From 4ba2e0f219963490c5ada6f86ecba05ec5cf9400 Mon Sep 17 00:00:00 2001
From: Andrew Belt <andrewpbelt@gmail.com>
Date: Mon, 30 Mar 2020 21:31:16 -0400
Subject: [PATCH] Use infinity symbol for Quantity display string instead of
 "inf".

---
 src/Quantity.cpp | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/src/Quantity.cpp b/src/Quantity.cpp
index 143228a7..b17631c0 100644
--- a/src/Quantity.cpp
+++ b/src/Quantity.cpp
@@ -20,7 +20,14 @@ int Quantity::getDisplayPrecision() {
 }
 
 std::string Quantity::getDisplayValueString() {
-	return string::f("%.*g", getDisplayPrecision(), math::normalizeZero(getDisplayValue()));
+	float v = getDisplayValue();
+	if (v == INFINITY)
+		return "∞";
+	else if (v == -INFINITY)
+		return "-∞";
+	else if (std::isnan(v))
+		return "?";
+	return string::f("%.*g", getDisplayPrecision(), math::normalizeZero(v));
 }
 
 void Quantity::setDisplayValueString(std::string s) {