Re: Incorrect values of sin and cos

From: John Maddock (jz.maddock_at_[hidden])
Date: 2020-01-16 17:57:03

On 16/01/2020 15:08, anshu khare via Boost wrote:
> cos(3*pi(cpp_bin_float_50>()/2)) does not give correct value.

What do you call "correct"?  If you're expecting an exact 0 result, then 
you're going to be disappointed - likewise with double which also does 
not yield an exact 0 in your test case (at least on msvc).

John.

> Only cos(pi(cpp_bin_float_50>()/2)) gives correct value.
> All odd multiples of cos(pi/2) do not give correct value.
>
> The issue with sin() as well.
>
> Anshu
>
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