def test_jvp_programme():
engine = MyEngine()
code = CodeSegment(engine)
code.batch(u='a', v='d')
code.unitary(x='d', y='d', factor=2.0)
code.batch_with_exarg(u='a', v='e', factor=3.0)
jvp = code.get_jvp(init={'a' : 1.0})
d_, e_ = jvp.compute(['d_', 'e_'], {'a_' : 1.0})
assert_array_equal(d_, 4.0)
assert_array_equal(e_, 6.0)
def test_jvp_vector():
engine = MyEngine()
code = CodeSegment(engine)
code.batch(u='a', v='d')
code.unitary(x='d', y='d', factor=2.0)
code.batch_with_exarg(u='a', v='e', factor=3.0)
A = numpy.array
jvp = code.get_jvp(init={'a' : A([1.0, 1.0])})
d_, e_ = jvp.compute(['d_', 'e_'], {'a_' : A([1.0, 1.0])})
assert_array_equal(d_, [4.0, 4.0])
assert_array_equal(e_, [6.0, 6.0])
def test_programme():
engine = MyEngine()
code = CodeSegment(engine)
code.batch(u='a', v='d')
code.batch_with_exarg(u='a', v='e', factor=3.0)
(d, e), tape = code.compute(('d', 'e'), {'a' : 1.0}, return_tape=True)
assert_array_equal(d, 2.0)
assert_array_equal(e, 6.0)
e, d, _a = code.compute_with_gradient(['e', 'd', '_a'], {'a' : 1.0}, {'_d': 1.0, '_e' : 0.0})
assert_array_equal(d, 2.0)
assert_array_equal(e, 6.0)
assert_array_equal(_a, 2.0)
e, d, _a = code.compute_with_gradient(['e', 'd', '_a'], {'a' : 1.0}, {'_d': 0.0, '_e' : 1.0})
assert_array_equal(d, 2.0)
assert_array_equal(e, 6.0)
assert_array_equal(_a, 6.0)
def batch_batch(engine, u, v):
code = CodeSegment(engine)
code.batch_with_exarg(u=u, v='t', factor=1)
code.unitary(x='t', y=v, factor=1.0)
return code
