[PROJ] geodtest/planimeter test failure

[Greg Troxel]

Charles Karney <charles.karney at gmail.com> writes:

> I recommend you start with the sin(-90) != -1 failure.  In particular
> can you check the inputs
>
>   x, (double)qd
>
> and outputs
>
>   r, q
>
> of the call to remquo in sincosdx in geodesic.c line 179.  Buggy
> implementations of remquo have been a problem in the past.

You are spot on; my libm remquo is buggy.  I'm working on fixing that,
and then will see what remains.

(Thus far, I have received no reports of proj tests passing on a
platform other than linux/mac/windows.)