38 lines
622 B
Python
38 lines
622 B
Python
import virtual_poly
|
|
|
|
d = virtual_poly.NDouble(3.5)
|
|
i = virtual_poly.NInt(2)
|
|
|
|
#
|
|
# the copy methods return the right polymorphic types
|
|
#
|
|
dc = d.copy()
|
|
ic = i.copy()
|
|
|
|
if d.get() != dc.get():
|
|
raise RuntimeError
|
|
|
|
if i.get() != ic.get():
|
|
raise RuntimeError
|
|
|
|
virtual_poly.incr(ic)
|
|
|
|
if (i.get() + 1) != ic.get():
|
|
raise RuntimeError
|
|
|
|
|
|
dr = d.ref_this()
|
|
if d.get() != dr.get():
|
|
raise RuntimeError
|
|
|
|
|
|
#
|
|
# 'narrowing' also works
|
|
#
|
|
ddc = virtual_poly.NDouble_narrow(d.nnumber())
|
|
if d.get() != ddc.get():
|
|
raise RuntimeError
|
|
|
|
dic = virtual_poly.NInt_narrow(i.nnumber())
|
|
if i.get() != dic.get():
|
|
raise RuntimeError
|