[PATCH]: Use mpc_pow in the fortran frontend

[FX]

> Right, but I think between the existing fallback functions, the now
> available MPC code and the glue in PR33197 trigcomplex.diff  
> attachment, one
> should be able to implement ctan, csinh, ccosh and ctanh in gfortran.
>
> --Kaveh
>
> PS: "Not it"! :-)

I have a bit of spare time this week-end, but not enough for serious  
gfortran work; looks like the perfect project for me (that and  
updating the EXECUTE_COMMAND_LINE patch).

FX