def comparison():
echo_function("comparison")
alpha=AngleMeasure(value_degree=30)
beta=AngleMeasure(value_radian=pi/2)
assert_true(alpha<beta)
assert_true(alpha<=alpha)
assert_true(alpha==alpha)
assert_false(alpha==beta)
assert_true(alpha>=alpha)
def test_is_negative():
echo_function("test_is_negative")
echo_single_test("some values")
a = -sin(0.5 * pi)
assert_true(numerical_is_negative(a))
a = -pi
assert_true(numerical_is_negative(a))
a = pi
assert_false(numerical_is_negative(a))
echo_single_test("zero is not negative")
assert_false(numerical_is_negative(0))
def test_is_negative():
from phystricks.src.Numerical import numerical_is_negative
echo_function("test_is_negative")
echo_single_test("some values")
a = -sin(0.5 * pi)
assert_true(numerical_is_negative(a))
a = -pi
assert_true(numerical_is_negative(a))
a = pi
assert_false(numerical_is_negative(a))
echo_single_test("zero is not negative")
assert_false(numerical_is_negative(0))
def test_equalities():
echo_function("test_equalities")
a = 3.00000000000000 * cos(0.111111111111111 * pi)
b = 3.00000000000000 * cos(0.111111111111111 * pi)
P = Point(a, 0)
A = Point(0, 0)
B = Point(1, 1)
v1 = AffineVector(P, A)
v2 = AffineVector(P, B)
on = True
try:
d = v1 + v2
except OverflowError:
on = False
assert_false(on)
def test_non_equalities():
echo_function("test_non_equalities")
A = Point(0, 0)
B = Point(4.00000000000000 * cos(0.111111111111111 * pi), 0)
echo_single_test("difficult not 'almost equal'")
assert_false(A.is_almost_equal(B))
echo_single_test("difficult not 'really equal'")
assert_false(A == B)
v = AffineVector(A, B)
u = AffineVector(B, A)
w = AffineVector(A, -B)
echo_single_test("difficult not 'almost equal' for affine vector")
assert_false(v.is_almost_equal(w))
echo_single_test("difficult 'almost equal' for affine vector")
assert_true(w.is_almost_equal(-v))