void GfxLabColorSpace::getDefaultRanges(double *decodeLow, double *decodeRange, int maxImgPixel) const
{
    decodeLow[0] = 0;
    decodeRange[0] = 100;
    decodeLow[1] = aMin;
    decodeRange[1] = aMax - aMin;
    decodeLow[2] = bMin;
    decodeRange[2] = bMax - bMin;
}
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