dset             4984 src/decNumber/decNumber.c   decContext aset, tset, dset;     // working contexts
dset             5165 src/decNumber/decNumber.c       dset=tset;
dset             5186 src/decNumber/decNumber.c         decAddOp(d, d, &numone, &dset, 0, &ignore);    // d=d+1