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), -- 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
