def test_formula_for_required_operations():
form = functions.Formula("X1 + X2")
assert form.int_to_physical(23.0, 42.0) == 65.0
form = functions.Formula("X1 - X2")
assert form.int_to_physical(65.0, 42.0) == 23.0
form = functions.Formula("X1 * X2")
assert form.int_to_physical(16.0, 16.0) == 256.0
form = functions.Formula("X1 / X2")
assert form.int_to_physical(256.0, 16.0) == 16.0
# form = functions.Formula("X1 & X2")
# assert form(255, 32) == 32
# form = functions.Formula("X1 | X2")
# assert form(256, 32) == 0x120
form = functions.Formula("X1 >> X2")
assert form.int_to_physical(64, 4) == 4
form = functions.Formula("X1 << X2")
assert form.int_to_physical(64, 4) == 1024
def test_formula_for_required_functions():
form = functions.Formula("sin(X1)")
assert form(.5) == 0.479425538604203
form = functions.Formula("asin(X1)")
assert form(0.479425538604203) == .5
form = functions.Formula("cos(X1)")
assert form(.5) == 0.8775825618903728
form = functions.Formula("acos(X1)")
assert form(0.8775825618903728) == 0.4999999999999999
form = functions.Formula("tan(X1)")
assert form(.5) == 0.5463024898437905
form = functions.Formula("atan(X1)")
assert form(0.5463024898437905) == .5
form = functions.Formula("cosh(X1)")
assert form(math.log(2)) == 1.25
form = functions.Formula("sinh(X1)")
assert form(math.log(2)) == .75
form = functions.Formula("tanh(X1)")
assert form(math.log(2)) == 0.6
form = functions.Formula("exp(X1)")
assert form(math.log(10)) == 10.000000000000002
form = functions.Formula("log(X1)")
assert form(math.exp(10)) == 10.0
form = functions.Formula("abs(X1)")
assert form(-23.0) == 23.0
form = functions.Formula("sqrt(X1)")
assert form(225.0) == 15.0
form = functions.Formula("pow(X1, X2)")
assert form(2.0, 16.0) == 65536.0
def test_formula_for_required_operations():
form = functions.Formula("X1 + X2")
assert form(23.0, 42.0) == 65.0
form = functions.Formula("X1 - X2")
assert form(65.0, 42.0) == 23.0
form = functions.Formula("X1 * X2")
assert form(16.0, 16.0) == 256.0
form = functions.Formula("X1 / X2")
assert form(256.0, 16.0) == 16.0
form = functions.Formula("X1 & X2")
assert form(255, 32) == 32
form = functions.Formula("X1 | X2")
assert form(256, 32) == 0x120
form = functions.Formula("X1 >> X2")
assert form(64, 4) == 4
form = functions.Formula("X1 << X2")
assert form(64, 4) == 1024
#form = functions.Formula("~X1")
#assert form(0x55) == 0xaa
form = functions.Formula("X1 ^ X2")
assert form(0x55aa, 0x2222) == 0x7788
form = functions.Formula("X1 && X2")
assert form(1, 0) == 0
form = functions.Formula("X1 || X2")
assert form(1, 0) == 1
form = functions.Formula("!(X1 || X2)")
assert form(1, 0) == 0
def test_formula_with_no_parameters_raises():
form = functions.Formula("sin(X1)")
with pytest.raises(ValueError):
form()
