85    short alphadist;  in TAG()  local
145             alphadist = srccolors[j][i] - alphause[1];  in TAG()
149             alphadist = srccolors[j][i] - (alphause[1] * 6 + alphause[0] * 1) / 7;  in TAG()
153             alphadist = srccolors[j][i] - (alphause[1] * 5 + alphause[0] * 2) / 7;  in TAG()
157             alphadist = srccolors[j][i] - (alphause[1] * 4 + alphause[0] * 3) / 7;  in TAG()
161             alphadist = srccolors[j][i] - (alphause[1] * 3 + alphause[0] * 4) / 7;  in TAG()
165             alphadist = srccolors[j][i] - (alphause[1] * 2 + alphause[0] * 5) / 7;  in TAG()
169             alphadist = srccolors[j][i] - (alphause[1] * 1 + alphause[0] * 6) / 7;  in TAG()
173             alphadist = srccolors[j][i] - alphause[0];  in TAG()
175          alphablockerror1 += alphadist * alphadist;  in TAG()
213                alphadist = 0;  in TAG()
217                alphadist = 0;  in TAG()
221                alphadist = srccolors[j][i] - alphabase[0];  in TAG()
225                alphadist = srccolors[j][i] - (alphabase[0] * 4 + alphabase[1] * 1) / 5;  in TAG()
229                alphadist = srccolors[j][i] - (alphabase[0] * 3 + alphabase[1] * 2) / 5;  in TAG()
233                alphadist = srccolors[j][i] - (alphabase[0] * 2 + alphabase[1] * 3) / 5;  in TAG()
237                alphadist = srccolors[j][i] - (alphabase[0] * 1 + alphabase[1] * 4) / 5;  in TAG()
241                alphadist = srccolors[j][i] - alphabase[1];  in TAG()
243             alphablockerror2 += alphadist * alphadist;  in TAG()
351                   alphadist = srccolors[j][i];  in TAG()
355                   alphadist = T_MAX - srccolors[j][i];  in TAG()
359                   alphadist = srccolors[j][i] - alphatest[0];  in TAG()
363                  alphadist = srccolors[j][i] - (alphatest[0] * 4 + alphatest[1] * 1) / 5;  in TAG()
367                   alphadist = srccolors[j][i] - (alphatest[0] * 3 + alphatest[1] * 2) / 5;  in TAG()
371                   alphadist = srccolors[j][i] - (alphatest[0] * 2 + alphatest[1] * 3) / 5;  in TAG()
375                   alphadist = srccolors[j][i] - (alphatest[0] * 1 + alphatest[1] * 4) / 5;  in TAG()
379                   alphadist = srccolors[j][i] - alphatest[1];  in TAG()
381                alphablockerror3 += alphadist * alphadist;  in TAG()