[gambit-list] integer->char bootstrap problem: git head goes into infinite loop

Bradley Lucier lucier at math.purdue.edu
Fri Jan 31 13:57:16 EST 2014


On 01/30/2014 06:21 PM, Bakul Shah wrote:
> On Thu, 30 Jan 2014 17:51:26 EST Bradley Lucier <lucier at math.purdue.edu> wrote:
>> On Jan 30, 2014, at 5:43 PM, Bakul Shah wrote:
>>
>>> On Thu, 30 Jan 2014 16:27:11 EST Marc Feeley <feeley at iro.umontreal.ca> wrote:
>>>> Anyone know of a good portable implementation of those functions
>> (sinh, cosh,
>>>> tanh, asinh, acosh, atanh, expm1, log1p, scalbn)?  I'll take a poor
>>>> implementation if a good one doesn't exist...
>>> May be you can use FreeBSD's math lib (originally from Sun).
>>> https://github.com/freebsd/freebsd/tree/master/lib/msun
>> Yes, this library is a good option (I don't know whether FreeBSD made
>> many changes to the original Sun library).
> There have been a number of changes, support for more arch,
> long double, complex number versions, performance imrovements,
> fixes, etc. etc. You can trawl through its history to see what
> was done. I don't use them enough to know of their accuracy
> and I don't know if exhaustive tests are run regularly. You
> should talk to Bruce Evans and David Schultz for details.
I trust Sun's library, we need only six functions, I'd use the version
of Sun's library in FreeBSD:

https://github.com/freebsd/freebsd-head/tree/master/lib/msun/src

Brad



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