fpu_control.h

[Brian Gough]

I don't know any general documentation on this topic.  Recent versions
of the GNU C Library manual cover its new fpenv functions though.

Oisin writes:
 > Hello all,
 > well now that I'm experimenting with GSL I must say that I'm very
 > impressed - especially with the PRNG facilities!  This library is 
 > filling a gaping void on Linux.
 > 	I have a question that I have every hope that someone here
 > can answer - I notice that you are using the fpu set control-word
 > stuff for x86 platforms.  I had discovered this in a very unprincipled
 > romp through the headers.  I've asked about techniques to do this on
 > newsgroups etc. and there appears to be little common knowledge about
 > it , especially about the change to _FPU_SETCW() in glibc.  I have
 > had a hard look at the info files that came with RH6.1 to see if there
 > is mention of this, but there is none.  What/where is the most current
 > source of information on this?
 > Cheers,
 > Oisin
 >