In message <Pine.ULT.3.91.960510114029.7896A-100000@po.EECS.Berkeley.EDU> you s aid: > Naved points out: > On a 32 bit machine the maximum shift is 31. (0 - 31) > > I've noted that, strangely enough, on some machines, (1 << 31) will > screw up the sprintbit function. This, I'm pretty sure, is because of > the sign of the int. Sprintbit checks if the number is less than zero, > and most machines have the sign bit in slot 31. You can only achieve the maximum number of bitflags in a vector if the vector is an unsigned datatype. > yet another way suggested is probably better, using bitfields, but then, > you'd have to compile with c++ No you don't. bitfields are a part of the C language. Naved
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