PowAdjustQuantum 1520 magick/operator.c #  define PowAdjustQuantum(quantum) (MaxRGBDouble*pow(quantum/MaxRGBDouble,immutable_context->double_value)+0.5)
PowAdjustQuantum 1522 magick/operator.c #  define PowAdjustQuantum(quantum) (mutable_context->channel_lut[ScaleQuantumToMap(quantum)])