Convergence problems with Intel's 8.0 C++ compiler

[Kevin Ryde]

"Felix E. Klee" <felix.klee.gmp at gmx.net> writes:
>
> The result is that, in the ICC case, the precision of the real and
> imaginary parts is the default MPF precision. In the GCC case, the
> precision of the real and imaginary parts is the precision of the MPF
> values that were used for initialization.

Hmm.  I guess one needs to keep a tight rein on constructors versus
assignments to have precision propagated in a particular way.

I might try to put a note about this in the manual.  I imagine various
templated numerical add-ons like "complex" might suffer from this sort
of issue.