anchor.diff:       &                    x,             elDw,
        &                    iBC,           BC,          
        &                    rest,           
  -     &                    a(mHBrg),      a(meBrg),
  -     &                    a(myBrg),      a(mRcos),    a(mRsin),
  +     &                    HBrg,          eBrg,
  +     &                    yBrg,          Rcos,      Rsin,
        &                    iper,          ilwork,
        &                    shp,           shgl,
        &                    shpb,          shglb, solinc(1,isclr+5))
  
positive.code:      &                       acold,         x,
       &                       iBC,           BC,
       &                       EGmass,        res,
       &                       BDiag,         a(mHBrg),      a(meBrg),
       &                       a(myBrg),      a(mRcos),      a(mRsin),
       &                       iper,          ilwork,
       &                       shp,           shgl,
       &                       shpb,          shglb,         solinc,
  
negative.code:      &                       iBC,           BC,
       &                       colm,          rowp,          lhsk,
       &                       res,
       &                       BDiag,         hBrg,          eBrg,
       &                       yBrg,          Rcos,          Rsin,
       &                       iper,          ilwork,
       &                       shp,           shgl,
       &                       shpb,          shglb,         solinc,
  