Hello Micheal, > Hello Ozgur, > > On Sun, Sep 12, 2010 at 12:06 AM, <ozgur.gurcan@xxxxxxxxxxxxxxxxxxxx> > wrote: >> Hi, >> >> in my system (2.6.34-gentoo-r2), "man cerf" gives me the description of >> a >> certain complex error function. This function however is nowhere to be >> found. I tried this on 5 other linux boxes with the same result. >> >> May be the function was taken out at some point but the documentation >> stayed. > > Further down in the page is the line > > == > .SH AVAILABILITY > Not yet in glibc, as at version 2.12. > == > > I suppose you missed that, which is easy to do. I tweaked the page > (for man-pages-3.27) as below, to try to make it a little clearer. > > Cheers, > > Michael > > --- a/man3/cerf.3 > +++ b/man3/cerf.3 > @@ -21,7 +21,7 @@ cerf, cerff, cerfl, cerfc, cerfcf, cerfcl \- complex > error function > .sp > Link with \fI\-lm\fP. > .SH DESCRIPTION > -The function > +The (unimplemented) function > .BR cerf () > is the complex version of the error function. > erf(z) = 2/sqrt(pi) * integral from 0 to z of exp(\-t*t) dt. > @@ -32,7 +32,7 @@ is defined as cerfc(z) = 1\-cerf(z). > .SH "CONFORMING TO" > The function names are reserved for future use in C99. > .SH AVAILABILITY > -Not yet in glibc, as at version 2.8. > +Not yet in glibc, as at version 2.12. > .\" But reserved in NAMESPACE. > .SH "SEE ALSO" > .BR erf (3), > I see. I had seen the note, but I thought it was in "libm" and not in glibc or something like that (since it also says link with -lm). I think your version is much clearer. thanks, Ozgur -- To unsubscribe from this list: send the line "unsubscribe linux-man" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
