acoshl functions for ldbl-96

[Dhaval Prajapati]

Hi,
    Thank you for giving answer. Yes, You are right that  there's a fpu 
directory that implemented of these functions.
    Only I386 family, M68k and X86_64 use long-double as 96 bits. In FPU 
Directory of those architectures,  __ieee754_logl,__log1pl,__ieee754_sqrtl 
and also some another functions (which are not implemented in ldbl-96) are 
implemented.
    I am working on Glibc for new Architecture. It uses long-double as 96 
bits. Due to unavailable instuctions like 'logl' , 'expl'  , we must use C 
code for above functions. I currently working on above functions which will 
use C code to compute math functions for long double as 96 .


Thanking you,
Dhaval Prajapati.


>From: Andreas Jaeger <aj@suse.de>
>To: "Dhaval Prajapati" <dhavaljr@hotmail.com>
>CC: libc-alpha@sources.redhat.com
>Subject: Re: acoshl functions for ldbl-96
>Date: Mon, 23 Aug 2004 19:26:56 +0200
>
>"Dhaval Prajapati" <dhavaljr@hotmail.com> writes:
>
> > Hi,
> >
> > I am stdying glibc 2.3.2 . In ldbl-96 directory
> > (path:glibc-2.3.2/sysdeps/ieee754/ldbl-96), there is e_acoshl.c file
> > to compute 'acosh' for long double. This file is using these functions
> > __ieee754_logl,__log1pl,__ieee754_sqrtl, which are not implemented in
> > 'ldbl-96' directory. So it will use from generic directory . But in
> > that directory also these functions are not implemented.
> >
> > I would like to know that , how e_acoshl.c compute 'acosh' correctly
> > for long double? Why __ieee754_logl,__log1pl,__ieee754_sqrtl functions
> > are not implemented in 'ldbl-96' directory?
>
>Build glibc yourself and then check which functions gets build.  The
>build process is rather involved and different files are taken
>dependend on the architecture.  For example on i386, there's a fpu
>directory that implements some of these functions.
>
>Andreas
>--
>  Andreas Jaeger, aj@suse.de, http://www.suse.de/~aj
>   SUSE Linux AG, Maxfeldstr. 5, 90409 Nürnberg, Germany
>    GPG fingerprint = 93A3 365E CE47 B889 DF7F  FED1 389A 563C C272 A126
><< attach3 >>

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