def get_polish_notation(command):
if command == '1':
print('*** Выбран способ введения уравнения с переменной *** \n')
expression = input("Введите уравнение строго по образцу: 'A + B * cos ( 40 )' \n")
result = transform.transform_to_polish(expression)
print("Преобразование в польскую запись: " + result + '\n')
variable = input('Введите значение переменной:')
result_polish_notation = change_sym(result, 'X', variable)
answer = calc.calculate_polish(result_polish_notation)
print("Ответ: " + str(answer))
if command == '2':
print('*** Выбран способ введения уравнения без переменных *** \n')
expression = input("Введите уравнение строго по образцу: 'A + B * cos ( 40 )' \n")
result = transform.transform_to_polish(expression)
print("Преобразование в польскую запись: " + result + '\n')
answer = calc.calculate_polish(result)
print("Ответ: " + str(answer))
def test_calculate_exp_function(self):
result = calc.calculate_polish('2 exp')
self.assertEqual(result, math.exp(2))
def test_calculate_easy_expression(self):
result = calc.calculate_polish('3 4 +')
self.assertEqual(result, 7)
def test_calculate_with_trigonometry_and_other_functions(self):
result = calc.calculate_polish('8100 sqrt sin')
self.assertEqual(result, math.sin(math.sqrt(8100)))
def test_calculate_with_hard_trigonometry_functions(self):
result = calc.calculate_polish('0 deg cos')
self.assertEqual(result, math.cos(math.radians(0)))
def test_calculate_with_trigonometry_functions(self):
result = calc.calculate_polish('90 sin')
self.assertEqual(result, math.sin(90))
def test_calculate_with_expression_inner_functions(self):
result = calc.calculate_polish('3 3 * sqrt')
self.assertEqual(result, math.sqrt(3 * 3))
def test_second_calculate_with_arithmetic_operations_mul_div(self):
result = calc.calculate_polish('5 6 * 10 /')
self.assertEqual(result, 3)
def test_calculate_with_functions(self):
result = calc.calculate_polish('4 sqrt')
self.assertEqual(result, 2)
def test_calculate_with_pow(self):
result = calc.calculate_polish('5 2 ^')
self.assertEqual(result, 5**2)
def test_calculate_with_plus_minus_mul_div(self):
result = calc.calculate_polish('1 4 5 * + 1 -')
self.assertEqual(result, 20)
def test_calculate_with_plus_mul(self):
result = calc.calculate_polish('3 4 5 * +')
self.assertEqual(result, 23)
def test_calculate_with_mod(self):
result = calc.calculate_polish('7 2 %')
self.assertEqual(result, 1)
def test_calculate_with_div(self):
result = calc.calculate_polish('7 2 div')
self.assertEqual(result, 3)
def test_calculate_log_functions(self):
result = calc.calculate_polish('100 10 log')
self.assertEqual(result, math.log(100, 10))
def test_calculate_with_functions_second(self):
result = calc.calculate_polish('5 10 - abs')
self.assertEqual(result, 5)
def test_calculate_with_arithmetic_operations_plus_minus(self):
result = calc.calculate_polish('3 4 5 6 + + -')
self.assertEqual(result, -12)
