> OTOH, there are many numerical libraries (e.g. LAPACK) that
> explicitely declare two REAL arrays and use the entries as real and
> imaginary parts.  However, this is a library choice and sidesteps
> Fortran's COMPLEX type altogether.

There are also libraries that do  Re[C(1)] Re[C(2)] Im[C(1)] Im[C(2)]
etc in order to make use of Altivec packed arith.  
-D
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