paranoia.cc (real_c_float::image): Accomodate size of real_internal format.

paranoia.cc (real_c_float::image): Accomodate size of real_internal format.

        * paranoia.cc (real_c_float::image): Accomodate size of
        real_internal format.
        (main): Unbuffer stdio.  Add real_internal format.
        (floor_log2_wide): New.

From-SVN: r58395