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"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
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