def test_install():
@lift('x -> x -> x', {'x': array_like})
def nadd(a,b,o):
return np.add(a,b,o)
costfn = lambda x: 0
# Anywhere an add is term is found replace with the simple NumPy
# dispatch.
install('FizzPop(a,b);*',nadd,costfn)
expr = AAppl(ATerm('FizzPop'), [AInt(1), AInt(2)])
fn, cost = _dispatch.dispatcher.dispatch(expr)
assert fn.fn == nadd.fn
assert cost == 0
# These are side-effectful functions which install the core
# functions into the RTS dispatcher.
# The signature for PythonF
# :signature: ATerm pattern matching signature
# :fn: Python callable instance
# :mayblock: Whether calling this function may block a thread.
# ( i.e. it waits on a disk or socket )
install(
'Add(a,b) ; contig',
PythonF(np.add.types, np.add, False),
zerocost
)
install(
'Mul(a,b) ; contig',
PythonF(np.multiply.types, np.multiply, False),
zerocost
)
install(
'Abs(a) ; contig',
PythonF(np.abs.types, np.abs, False),
zerocost
)