test dash dash

* (exec-spice "ngspice -b %s")

v1  1 0  '2--3'
b2  2 0  v = 2--3

.control

define mismatch(a,b,err) abs(a-b)>err

op

let foo = 2--3

if mismatch(v(1), 5.0, 1e-9)
  echo "ERROR: v(1) failed"
end

if mismatch(v(2), 5.0, 1e-9)
  echo "ERROR: v(2) failed"
end

if mismatch(foo, 5.0, 1e-9)
  echo "ERROR: foo failed"
end

print v(1) v(2) foo

echo "INFO: -- yes we can, print dash dash --"
echo "INFO: -- yes we can, print upper and lower case --"
quit 0

.endc

.end