From 03d6a36e0a6555b0289f6537b2d0337d58bb6fde Mon Sep 17 00:00:00 2001
From: Pim van Pelt <pim@ipng.nl>
Date: Thu, 3 Oct 2019 08:57:30 +0200
Subject: [PATCH] Add a comment on cosH bounds

---
 src/sun.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/sun.c b/src/sun.c
index 1a37daa..630fc97 100644
--- a/src/sun.c
+++ b/src/sun.c
@@ -55,8 +55,11 @@ static float calcSun(int year, int month, int day, float latitude,
                (cosDec * cos((M_PI / 180.0f) * latitude));
 
   if (cosH > 1) {
+    // the sun never rises at this location on the specified date
     return 0;
-  } else if (cosH < -1) {
+  }
+  if (cosH < -1) {
+    // the sun never sets at this location on the specified date
     return 0;
   }