Author: Dave Gomboc
Date: 20:01:38 06/16/99
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On June 16, 1999 at 22:56:02, Greg Lazarou wrote: >Hi James, > >I don't have the straight answer to your question but if x is an integer then >multiplications by 2 and divisions by 2 (the 4th and 2nd cases respectively) >should be very fast left and right shifts. Now you can let the compiler figure >it out (and you may be able to help the compiler figure it out by expressing >x*=.5 as x /= 2) or you can code it as a shift yourself... N.B. (x /= 2) == (x >> 1) iff (x is unsigned) Dave
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