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Re: acoshl functions for ldbl-96

"Dhaval Prajapati" <> 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 Jaeger,,
  SUSE Linux AG, Maxfeldstr. 5, 90409 Nürnberg, Germany
   GPG fingerprint = 93A3 365E CE47 B889 DF7F  FED1 389A 563C C272 A126

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