Test define/alter
* function with single parameter is o.k.
* function with two parameters leaks memory

R1 1 0 myres
.model myres res(r=1)
v1 1 0 1

.control
define myfcn(x,y) (y + x + 1)
op
print all
altermod @r1[r] = myfcn(2,2)
op
print all

.endc

.end