Patch for complex streaming

[Benjamin Kosnik]

Cool. This patch is in, thanks. Nicely done. . .


> -- Since the stream operators have a different character than
> the rest of the operators in `src/complex.cc' -- they depend on
> more template parameters, and their specializations for float,
> double and long double needs no special treatment -- I decided
> to move them into a separate file `src/complexio.cc'. OK?

wise anyway, as this will isolate them from C9X -vs- ISO14882 issues.

> -- At present all instantiations are in one file.  Do you think
> we shall split them into a dozen of file like done for the string
> stuff?

nooooooooooo

Eventually the goal is to have the linker do this stuff anyway.

> 2000-02-12  Petter Urkedal  <petter@matfys.lth.se>
> 
>         * std/complex.cc (operator<<, operator>>): Moved from here...
>         * src/complexio.cc: ...to new file.
>         (operator>>): Stub replaced by the real thing.
>         * src/Makefile.am (sources): Inserted complexio.cc.
>         * testsuite/26_numerics/complexio_input.cc: Check it.

2000-02-15  Petter Urkedal  <petter@matfys.lth.se>

        * src/complex.cc (operator<<, operator>>): Moved from here...
        * src/complex_io.cc: ...to new file.
        (operator>>): Stub replaced by the real thing.
        * src/Makefile.am (sources): Inserted complex_io.cc.
	* src/Makefile.in: Regenerate.
        * testsuite/26_numerics/complex_inserters_extractors.cc: Check it.