Patch for missing sinf, cosf, ...

[Phil Edwards]

> > Yup.  I never had time to apply any of the previous ones (this also goes
> > for the additional source files in the math subdir, so I have the latest
> > ones with _HAVE_).
> [snip]
> > Absolutely fresh configure and build; no sqrtf.lo/o anywhere.  c++config.h
> > has _GLIBCPP_HAVE_BUILTIN_SQRTF defined to 1 and _GLIBCPP_HAVE_SQRTF
> > still commented.
>
> Uh ... did you automake?

Oh yes.  :-)  Believe me, I am down with my bad autotools self.

I plan to return to this after doing some TeXing.  Maybe I'll think of
something in the meantime.


Phil