Should we remove LABAD from LAPACK?

[weslleyspereira]

I will copy the text in docs/lawn81.tex:

Some of our test matrices are scaled near overflow or underflow,
but on the Crays, problems with the arithmetic near overflow and
underflow forced us to scale by only the square root of overflow
and underflow.
The LAPACK auxiliary routine SLABAD (or DLABAD) is called to
take the square root of underflow and overflow in cases where it
could cause difficulties.
We assume we are on a Cray if $ \log_{10} (\mathrm{overflow})$
is greater than 2000
and take the square root of underflow and overflow in this case.
The test in SLABAD is as follows:
\begin{verbatim}
      IF( LOG10( LARGE ).GT.2000. ) THEN
         SMALL = SQRT( SMALL )
         LARGE = SQRT( LARGE )
      END IF
\end{verbatim}
Users of other machines with similar restrictions on the effective
range of usable numbers may have to modify this test so that the
square roots are done on their machine as well.  \emph{Usually on
HPPA architectures, a similar restriction in SLABAD should be enforced
for all testing involving complex arithmetic.}
SLABAD is located in \texttt{LAPACK/SRC}.

The problem I see here is that this may not be applied homogeneously through the library. So, LAPACK is probably not supporting fully those supra cited machines. I think we should remove LABAD from LAPACK. This is related to one of the modifications in #712.

[mgates3]

Yes, great to remove. We have no way to test it and no one uses it anymore.