From: cristy <urban-warrior@git.imagemagick.org>
Date: Fri, 19 Apr 2013 20:34:46 +0000 (+0000)
Subject: (no commit message)
X-Git-Tag: 7.0.1-0~3832
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=19151985d0d4ace49bb95802047e5b0bb53dbde7;p=imagemagick

---

diff --git a/MagickCore/gem.c b/MagickCore/gem.c
index 74560707a..b844bbbbf 100644
--- a/MagickCore/gem.c
+++ b/MagickCore/gem.c
@@ -515,7 +515,7 @@ MagickPrivate void ConvertLCHuvToRGB(const double luma,const double chroma,
   H=hue;
   u=C*cos(360.0*H*MagickPI/180.0);
   v=C*sin(360.0*H*MagickPI/180.0);
-  ConvertLuvToXYZ(L,(u+1.34)/3.54,v+1.4/2.62,&X,&Y,&Z);
+  ConvertLuvToXYZ(L,(u+1.34)/3.54,(v+1.4)/2.62,&X,&Y,&Z);
   ConvertXYZToRGB(X,Y,Z,red,green,blue);
 }
 
@@ -927,8 +927,8 @@ MagickPrivate void ConvertRGBToLCHuv(const double red,const double green,
   assert(hue != (double *) NULL);
   ConvertRGBToXYZ(red,green,blue,&X,&Y,&Z);
   ConvertXYZToLuv(X,Y,Z,&L,&u,&v);
-  C=hypot(u,v);
-  H=180.0*atan2(v,u)/MagickPI/360.0;
+  C=hypot(3.54*u-1.34,2.62*v-1.4);
+  H=180.0*atan2(2.62*v-1.4,3.54*u-1.34)/MagickPI/360.0;
   if (H < 0.0)
     H+=1.0;
   if (H >= 1.0)