var2ulen         3989 src/decNumber/decNumber.c   Int   var2ulen;                  // logical length (units)
var2ulen         4191 src/decNumber/decNumber.c     var2ulen=var1units;                 // rhs logical length (units)
var2ulen         4238 src/decNumber/decNumber.c         var2ulen--;                     // shift down
var2ulen         4255 src/decNumber/decNumber.c         if (var1units<var2ulen) break;       // var1 too low for subtract
var2ulen         4256 src/decNumber/decNumber.c         if (var1units==var2ulen) {           // unit-by-unit compare needed
var2ulen         4294 src/decNumber/decNumber.c         shift=var2ulen-var2units;
var2ulen         4333 src/decNumber/decNumber.c       var2ulen--;                            // shift down