ni...@lysator.liu.se (Niels Möller) writes:
Do you think we should have an advertised binv_sqrt function returning
a^{-1/2}? (And if so, should we have something analogous also for
euclidean square root? And for nth roots?)
Perhaps. A start would be to "advertise" it internally.
My bsqrt first computes a^{-1/2}, but then it multiplies it by a before
returning a^{1/2}.
Something we should try also for Euclidean sqrt.
How do we make some progress here? I'm tempted to first commit my broot
and corresponding test code (since that has less interface subtleties
than bsqrt).
With all respect for your functions, I don't think we should replace the
tested ones in perfpow. I think those should in he first place be
improved (and put in their own file).
--
Torbjörn
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