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Re: inverse error function
- From: B Q <meant4mailinglists at yahoo dot com dot au>
- To: gcc-help at gcc dot gnu dot org
- Date: Thu, 5 Oct 2006 01:02:17 +1000 (EST)
- Subject: Re: inverse error function
--- Andrew Haley <aph@redhat.com> wrote:
> B Q writes:
> >
> > --- Andrew Haley <aph@redhat.com> wrote:
> >
> > > It's in glibc; why do you want a gcc builtin?
> >
> > I don't necessarily want a gcc builtin. I just
> didn't
> > know where else to look. I tried to find out via
> > google, but failed.
> >
> > With your clue I found the gnu page on glibc:
> >
>
http://www.gnu.org/software/libc/manual/html_mono/libc.html
> >
> > but on this page I could only find the erf()
> function,
> > not the inverse error function.
> > Are you sure it is in glibc?
>
> Oh no, you're absolutely right! The complementary
> error function I
> can find, but not the inverse.
>
> Sorry,
> Andrew.
>
>
Hi there
Andrew, thanks anyway for the quick reply.
Anybody else got an idea where to find the inverse
error function?
I'm now using a solution that makes use of binary
search, but I suspect it's not very fast because I
call the erf() function appr. 10 times with each of my
erfinv() calls..
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