On Tuesday 04 March 2008 08:52, Daran wrote: > > A test which requires only squarings could be done entirely in Fourier > space, with just one transform at the beginning, and an inverse one at the > end. > > Or am I missing something? Error correction and rounding perhaps?
Yup. We get ~ 20 bits precision from a 53 bit manitissa for one squaring. Even if you only did 2 squarings between inverse transforms you'd never get the right output. Regards Brian Beesley _______________________________________________ Prime mailing list [email protected] http://hogranch.com/mailman/listinfo/prime
