Start with real-number test cases
Start with real-number test cases

Actually, 5 /r 2 should be a type error, but since we do not check
and since real literals are not yet handled in the code generator,
this will work for now.

Signed-off-by: Christoph Höger <2b4bc4bb64f5fc498672fe6593e731d308f05461@tu-berlin.de>

choeger/sl2