docs: public static void phase( ImageInterleaved transform , GrayF phase ) {
  		if( transform instanceof InterleavedF32 ) {
  			DiscreteFourierTransformOps.phase((InterleavedF32) transform, (GrayF32) phase);
  		} else if( transform instanceof InterleavedF64 ) {
  			DiscreteFourierTransformOps.phase((InterleavedF64) transform, (GrayF64) phase);
  		} else {
  			throw new IllegalArgumentException("Unknown image type");
  		}
  	}