code: public static GrayU8 logicAnd(GrayU8 inputA , GrayU8 inputB , GrayU8 output )
  	{
  		InputSanityCheck.checkSameShape(inputA,inputB);
  		output = InputSanityCheck.checkDeclare(inputA, output);
  
  		if( BoofConcurrency.USE_CONCURRENT ) {
  			ImplBinaryImageOps_MT.logicAnd(inputA, inputB, output);
  		} else {
  			ImplBinaryImageOps.logicAnd(inputA, inputB, output);
  		}
  
  		return output;
  	}
docs: For each pixel it applies the logical 'and' operator between two images.
  
  @param inputA First input image. Not modified.
  @param inputB Second input image. Not modified.
  @param output Output image. Can be same as either input.  If null a new instance will be declared, Modified.
  @return Output of logical operation.