[babl] CIE: Make the Lab to RGB fast paths as accurate as the reference

[Øyvind Kolås <ok src gnome org>]

commit 3d771b7f7e20fde3d3789ea59820e9e9a8a23fe8
Author: Debarshi Ray <debarshir gnome org>
Date:   Tue Nov 7 10:38:12 2017 +0100

    CIE: Make the Lab to RGB fast paths as accurate as the reference
    
    This is similar to commit e17807f235557d5d.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=790011

 extensions/CIE.c |   12 ++++++------
 1 files changed, 6 insertions(+), 6 deletions(-)
---
diff --git a/extensions/CIE.c b/extensions/CIE.c
index f138d10..35ddb0d 100644
--- a/extensions/CIE.c
+++ b/extensions/CIE.c
@@ -767,9 +767,9 @@ Labf_to_rgbf (const Babl *conversion,float *src,
       float xr = cubef (fx) > LAB_EPSILON ? cubef (fx) : (fx * 116.0f - 16.0f) / LAB_KAPPA;
       float zr = cubef (fz) > LAB_EPSILON ? cubef (fz) : (fz * 116.0f - 16.0f) / LAB_KAPPA;
 
-      float r =  3.134274799724f * D50_WHITE_REF_X * xr -1.617275708956f * D50_WHITE_REF_Y * yr 
-0.490724283042f * D50_WHITE_REF_Z * zr;
-      float g = -0.978795575994f * D50_WHITE_REF_X * xr +1.916161689117f * D50_WHITE_REF_Y * yr 
+0.033453331711f * D50_WHITE_REF_Z * zr;
-      float b =  0.071976988401f * D50_WHITE_REF_X * xr -0.228984974402f * D50_WHITE_REF_Y * yr 
+1.405718224383f * D50_WHITE_REF_Z * zr;
+      float r =  3.134218931198f * D50_WHITE_REF_X * xr -1.617237925529f * D50_WHITE_REF_Y * yr 
-0.490704864264f * D50_WHITE_REF_Z * zr;
+      float g = -0.978840410709f * D50_WHITE_REF_X * xr +1.916181206703f * D50_WHITE_REF_Y * yr 
+0.033482126892f * D50_WHITE_REF_Z * zr;
+      float b =  0.071941196918f * D50_WHITE_REF_X * xr -0.229004547000f * D50_WHITE_REF_Y * yr 
+1.405783772469f * D50_WHITE_REF_Z * zr;
 
       dst[0] = r;
       dst[1] = g;
@@ -802,9 +802,9 @@ Labaf_to_rgbaf (const Babl *conversion,float *src,
       float xr = cubef (fx) > LAB_EPSILON ? cubef (fx) : (fx * 116.0f - 16.0f) / LAB_KAPPA;
       float zr = cubef (fz) > LAB_EPSILON ? cubef (fz) : (fz * 116.0f - 16.0f) / LAB_KAPPA;
 
-      float r =  3.134274799724f * D50_WHITE_REF_X * xr -1.617275708956f * D50_WHITE_REF_Y * yr 
-0.490724283042f * D50_WHITE_REF_Z * zr;
-      float g = -0.978795575994f * D50_WHITE_REF_X * xr +1.916161689117f * D50_WHITE_REF_Y * yr 
+0.033453331711f * D50_WHITE_REF_Z * zr;
-      float b =  0.071976988401f * D50_WHITE_REF_X * xr -0.228984974402f * D50_WHITE_REF_Y * yr 
+1.405718224383f * D50_WHITE_REF_Z * zr;
+      float r =  3.134218931198f * D50_WHITE_REF_X * xr -1.617237925529f * D50_WHITE_REF_Y * yr 
-0.490704864264f * D50_WHITE_REF_Z * zr;
+      float g = -0.978840410709f * D50_WHITE_REF_X * xr +1.916181206703f * D50_WHITE_REF_Y * yr 
+0.033482126892f * D50_WHITE_REF_Z * zr;
+      float b =  0.071941196918f * D50_WHITE_REF_X * xr -0.229004547000f * D50_WHITE_REF_Y * yr 
+1.405783772469f * D50_WHITE_REF_Z * zr;
 
       dst[0] = r;
       dst[1] = g;