anchor.diff:        Exception e = tpl_2(result);
         if (pack(e) != 0) $display("interpolate.exception e=%h delta=%h", e, pack(delta));
         if (verbose) $display("sigmoid interpolate delta=%h vs[1]=%h vs[2]", pack(delta), pack(vs[1]), pack(vs[2]));
  -      mac.request.put(tuple4(tagged Valid vs[1], vs[2], delta, defaultValue));
  +      mac.request.put(tuple3(tagged Valid vs[1], vs[2], delta));
      endrule
   
      interface Put request;
  
positive.code: import DefaultValue::*;
  import FloatingPoint::*;
  import Real::*;
  import Dma::*;
  import DmaVector::*;
  import Pipe::*;
  import FloatOps::*;
  
negative.code: 	 if (verbose)
  	    angleFifo2.enq(angle);
  	 angleFifo.enq(angle);
  	 multiplier.request.put(tuple2(angle, sigmoidTable.rscale));
        endmethod
     endinterface
     interface Get response;
  