tests: core: Convert.gen.c: Add more cases.
tests: core: Convert.gen.c: Add more cases.

Some of them fail, I'm not yet sure if these
are wrong tests of rounding errors in the
implementation.

Signed-off-by: Cyril Hrubis <b1e90efd3b808b8e0bcf2a9a55fd8b9a779bfd81@ucw.cz>

gfxprim/gfxprim,gfxprim/gfxprim,gfxprim/gfxprim,gfxprim/gfxprim,gfxprim/gfxprim