143 void CMSEXPORT cmsXYZ2Lab(const cmsCIEXYZ* WhitePoint, cmsCIELab* Lab, const cmsCIEXYZ* xyz)  in cmsXYZ2Lab()  argument
154     Lab->L = 116.0*fy - 16.0;  in cmsXYZ2Lab()
155     Lab->a = 500.0*(fx - fy);  in cmsXYZ2Lab()
156     Lab->b = 200.0*(fy - fz);  in cmsXYZ2Lab()
161 void CMSEXPORT cmsLab2XYZ(const cmsCIEXYZ* WhitePoint, cmsCIEXYZ* xyz,  const cmsCIELab* Lab)  in cmsLab2XYZ()  argument
168     y = (Lab-> L + 16.0) / 116.0;  in cmsLab2XYZ()
169     x = y + 0.002 * Lab -> a;  in cmsLab2XYZ()
170     z = y - 0.005 * Lab -> b;  in cmsLab2XYZ()
218 void CMSEXPORT cmsLabEncoded2FloatV2(cmsCIELab* Lab, const cmsUInt16Number wLab[3])  in cmsLabEncoded2FloatV2()  argument
220         Lab->L = L2float2(wLab[0]);  in cmsLabEncoded2FloatV2()
221         Lab->a = ab2float2(wLab[1]);  in cmsLabEncoded2FloatV2()
222         Lab->b = ab2float2(wLab[2]);  in cmsLabEncoded2FloatV2()
226 void CMSEXPORT cmsLabEncoded2Float(cmsCIELab* Lab, const cmsUInt16Number wLab[3])  in cmsLabEncoded2Float()  argument
228         Lab->L = L2float4(wLab[0]);  in cmsLabEncoded2Float()
229         Lab->a = ab2float4(wLab[1]);  in cmsLabEncoded2Float()
230         Lab->b = ab2float4(wLab[2]);  in cmsLabEncoded2Float()
256     cmsCIELab Lab;  in cmsFloat2LabEncodedV2()  local
258     Lab.L = Clamp_L_doubleV2(fLab ->L);  in cmsFloat2LabEncodedV2()
259     Lab.a = Clamp_ab_doubleV2(fLab ->a);  in cmsFloat2LabEncodedV2()
260     Lab.b = Clamp_ab_doubleV2(fLab ->b);  in cmsFloat2LabEncodedV2()
262     wLab[0] = L2Fix2(Lab.L);  in cmsFloat2LabEncodedV2()
263     wLab[1] = ab2Fix2(Lab.a);  in cmsFloat2LabEncodedV2()
264     wLab[2] = ab2Fix2(Lab.b);  in cmsFloat2LabEncodedV2()
300     cmsCIELab Lab;  in cmsFloat2LabEncoded()  local
302     Lab.L = Clamp_L_doubleV4(fLab ->L);  in cmsFloat2LabEncoded()
303     Lab.a = Clamp_ab_doubleV4(fLab ->a);  in cmsFloat2LabEncoded()
304     Lab.b = Clamp_ab_doubleV4(fLab ->b);  in cmsFloat2LabEncoded()
306     wLab[0] = L2Fix4(Lab.L);  in cmsFloat2LabEncoded()
307     wLab[1] = ab2Fix4(Lab.a);  in cmsFloat2LabEncoded()
308     wLab[2] = ab2Fix4(Lab.b);  in cmsFloat2LabEncoded()
349 void CMSEXPORT cmsLab2LCh(cmsCIELCh* LCh, const cmsCIELab* Lab)  in cmsLab2LCh()  argument
351     LCh -> L = Lab -> L;  in cmsLab2LCh()
352     LCh -> C = pow(Sqr(Lab ->a) + Sqr(Lab ->b), 0.5);  in cmsLab2LCh()
353     LCh -> h = atan2deg(Lab ->b, Lab ->a);  in cmsLab2LCh()
358 void CMSEXPORT cmsLCh2Lab(cmsCIELab* Lab, const cmsCIELCh* LCh)  in cmsLCh2Lab()  argument
362     Lab -> L = LCh -> L;  in cmsLCh2Lab()
363     Lab -> a = LCh -> C * cos(h);  in cmsLCh2Lab()
364     Lab -> b = LCh -> C * sin(h);  in cmsLCh2Lab()
482 cmsFloat64Number ComputeLBFD(const cmsCIELab* Lab)  in ComputeLBFD()  argument
486   if (Lab->L > 7.996969)  in ComputeLBFD()
487         yt = (Sqr((Lab->L+16)/116)*((Lab->L+16)/116))*100;  in ComputeLBFD()
489         yt = 100 * (Lab->L / 903.3);  in ComputeLBFD()