if (cube_info->associate_alpha != MagickFalse)
error.alpha=QuantumScale*(pixel.alpha-mid.alpha);
node_info->quantize_error+=count*sqrt((double) (error.red*error.red+
- count*error.green*error.green+count*error.blue*error.blue+count*
+ error.green*error.green+error.blue*error.blue+
error.alpha*error.alpha));
cube_info->root->quantize_error+=node_info->quantize_error;
index--;
if (cube_info->associate_alpha != MagickFalse)
error.alpha=QuantumScale*(pixel.alpha-mid.alpha);
node_info->quantize_error+=count*sqrt((double) (error.red*error.red+
- count*error.green*error.green+count*error.blue*error.blue+count*
+ error.green*error.green+error.blue*error.blue+
error.alpha*error.alpha));
cube_info->root->quantize_error+=node_info->quantize_error;
index--;