From f30fe2c2c4f4c8e3e227c347e532445ae1c2b8a7 Mon Sep 17 00:00:00 2001
From: Gavin Nishizawa <gavin@terrastruct.com>
Date: Tue, 24 Jan 2023 15:43:47 -0800
Subject: [PATCH] round from float32 precision

---
 lib/label/label.go | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lib/label/label.go b/lib/label/label.go
index 731b381b8..19da6b7e9 100644
--- a/lib/label/label.go
+++ b/lib/label/label.go
@@ -317,5 +317,6 @@ func (labelPosition Position) GetPointOnRoute(route geo.Route, strokeWidth, labe
 
 // TODO probably use math.Big
 func chopPrecision(f float64) float64 {
-	return math.Round(f*10000) / 10000
+	// bring down to float32 precision before rounding for consistency across architectures
+	return math.Round(float64(float32(f*10000)) / 10000)
 }