[libre-riscv-dev] [isa-dev] Re: FP transcendentals (trigonometry, root/exp/log) proposal

[Andrew Waterman]

On Thu, Aug 8, 2019 at 6:27 AM lkcl <luke.leighton at gmail.com> wrote:

> On Thursday, August 8, 2019 at 8:56:44 PM UTC+8, lkcl wrote:
>
>
> > What I do not know is whether there was something unique about the 370
> mainframe and applications being written for it, or, if now in 2019, this
> is sufficiently well understood such that all FP applications writers have
> properly taken *better* accuracy (not worse accuracy: *better* accuracy)
> into consideration in the design of their programs.
>
> I *think* this is what Andrew might have been trying to get across.
>

That story might have roots in IBM's alternate base-16 floating-point
format, but in any case, that wasn't the point I was trying to make.  I
stand by my first message to this thread.


> L.
>
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