Lines Matching refs:CIEK
32 #define CIEK (24389.0/27.0) macro
156 x=(116.0*x-16.0)/CIEK; in ConvertLabToXYZ()
157 if (L > (CIEK*CIEEpsilon)) in ConvertLabToXYZ()
160 y=L/CIEK; in ConvertLabToXYZ()
164 z=(116.0*z-16.0)/CIEK; in ConvertLabToXYZ()
179 if (L > (CIEK*CIEEpsilon)) in ConvertLuvToXYZ()
182 *Y=L/CIEK; in ConvertLuvToXYZ()
296 x=(CIEK*X/illuminant_tristimulus[illuminant].x+16.0)/116.0; in ConvertXYZToLab()
300 y=(CIEK*Y/illuminant_tristimulus[illuminant].y+16.0)/116.0; in ConvertXYZToLab()
304 z=(CIEK*Z/illuminant_tristimulus[illuminant].z+16.0)/116.0; in ConvertXYZToLab()
323 *L=CIEK*(Y/illuminant_tristimulus[illuminant].y); in ConvertXYZToLuv()