def test_10():
assert f2c.f_to_c(50) == 10.0
def test_8():
assert f2c.f_to_c(-70.0) == -56.67
def test_9():
assert f2c.f_to_c(90) == 32.22
def test_6():
assert f2c.f_to_c(0.0) == -17.78
def test_7():
assert f2c.f_to_c(70.0) == 21.11
def test_5():
assert f2c.f_to_c(-32.26) == -35.7
def test_4():
assert f2c.f_to_c(96.26) == 35.7
def test_3():
assert f2c.f_to_c(-40.0) == -40.0
def test_2():
assert f2c.f_to_c(104) == 40.0
def test_1(): # start unit test function with test_
assert f2c.f_to_c(32) == 0.0