From 467e182d8edaa750a76de10973bc6772ca5863c4 Mon Sep 17 00:00:00 2001
From: Kevin Anderson <kevin.anderso@gmail.com>
Date: Tue, 10 Jun 2025 11:15:32 -0400
Subject: [PATCH] change "facing west" criterion to allow small uncertainty in
 sazm

---
 bifacialvf/bifacialvf.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/bifacialvf/bifacialvf.py b/bifacialvf/bifacialvf.py
index 74516c2..2fde67b 100644
--- a/bifacialvf/bifacialvf.py
+++ b/bifacialvf/bifacialvf.py
@@ -548,7 +548,7 @@ def simulate(myTMY3, meta, writefiletitle=None, tilt=0, sazm=180,
                     # TODO: Modify so it works with axis_azm different of 0 
                     #        (sazm = 90 or 270 only)
                     if tracking == True:                                   
-                        if sazm == 270.0:
+                        if abs(sazm - 270.0) < 1e-3:
                             rangestart = sensorsy-1
                             rangeend = -1
                             steprange = -1