docs: public static WeightPixel_F32 pixel( WeightType type , boolean safe ) {
  
  		if( safe )
  			throw new IllegalArgumentException("Safe distributons not implemented yet");
  
  		switch( type ) {
  			case GAUSSIAN_SQ:
  				return new WeightPixelGaussian_F32();
  
  			case UNIFORM:
  				return new WeightPixelUniform_F32();
  		}
  
  		throw new IllegalArgumentException("Unknown type "+type);
  	}