From 0f25bfe87b2b20d65348605c020bde469565da96 Mon Sep 17 00:00:00 2001
From: heckflosse <heckflosse67@gmx.de>
Date: Thu, 4 Jan 2018 23:15:53 +0100
Subject: [PATCH] Don't check the impossible cases in rgb2hsvtc()

---
 rtengine/color.h | 8 +-------
 1 file changed, 1 insertion(+), 7 deletions(-)

diff --git a/rtengine/color.h b/rtengine/color.h
index f2092f530..2b6d40174 100644
--- a/rtengine/color.h
+++ b/rtengine/color.h
@@ -313,18 +313,12 @@ public:
             s = del_Max / var_Max;
 
             if (r == var_Max) {
-                h = (g - b) / del_Max;
+                h = (g < b ? 6.f : 0.f) + (g - b) / del_Max;
             } else if (g == var_Max) {
                 h = 2.f + (b - r) / del_Max;
             } else { /*if ( b == var_Max ) */
                 h = 4.f + (r - g) / del_Max;
             }
-
-            if (h < 0.f) {
-                h += 6.f;
-            } else if (h > 6.f) {
-                h -= 6.f;
-            }
         }
     }