2 * First arg is the package prefix.
3 * Second arg is the name of the class minus the prefix.
5 * This does some behind-the-scenes magic so we can
6 * access howto_square_ff from python as howto.square_ff
8 GR_SWIG_BLOCK_MAGIC(howto,square_ff);
10 howto_square_ff_sptr howto_make_square_ff ();
12 class howto_square_ff : public gr_block