From 7b5f46ca312dcd9295ada5e573853ae7bddb426d Mon Sep 17 00:00:00 2001
From: Marcel Greter <marcel.greter@ocbnet.ch>
Date: Fri, 24 Jun 2016 20:31:05 +0200
Subject: [PATCH] Fix error with hue color change function

Spec https://github.com/sass/sass-spec/pull/875
Fixes https://github.com/sass/libsass/issues/2112
---
 src/functions.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/functions.cpp b/src/functions.cpp
index 4ca3d77cb1..a203b6c77f 100644
--- a/src/functions.cpp
+++ b/src/functions.cpp
@@ -819,7 +819,7 @@ namespace Sass {
       }
       if (hsl) {
         HSL hsl_struct = rgb_to_hsl(color->r(), color->g(), color->b());
-        if (h) hsl_struct.h = static_cast<double>(((static_cast<int>(h->value()) % 360) + 360) % 360) / 360.0;
+        if (h) hsl_struct.h = std::fmod(h->value(), 360.0);
         if (s) hsl_struct.s = ARGR("$saturation", Number, 0, 100)->value();
         if (l) hsl_struct.l = ARGR("$lightness",  Number, 0, 100)->value();
         double alpha = a ? ARGR("$alpha", Number, 0, 1.0)->value() : color->a();