def test_numerical_integratior_trapezium_method_args_negative_sub_negative(
self):
def func(x):
return x
result = NumericalIntegrator().trapezium_method(-1, -2, func)
self.assertEqual(round(result, 5), round(1.5, 5))
def test_numerical_integratior_simpson_method_args_negative_sub_positive(
self):
def func(x):
return x
result = NumericalIntegrator().simpson_method(-2, -1, func)
self.assertEqual(round(result, 5), round(-1.5, 5))
def calculate(self):
float_a = float(self.a)
float_b = float(self.b)
def func(x):
return x
if self.operation == Operation.TRAPEZIUM_METHOD:
self.result = str(
round(
NumericalIntegrator().trapezium_method(
float_a, float_b, func), 5))
elif self.operation == Operation.SIMPSON_METHOD:
self.result = str(
round(
NumericalIntegrator().simpson_method(
float_a, float_b, func), 5))
self.calculate_state = CalculateState.ENABLE
def calculate(self):
self.logger.log('Button clicked')
self.logger.log('Operation: {}'.format(self.operation))
float_a = float(self.a)
float_b = float(self.b)
def func(x):
return x
if self.operation == Operation.TRAPEZIUM_METHOD:
self.result = str(
round(
NumericalIntegrator().trapezium_method(
float_a, float_b, func), 5))
elif self.operation == Operation.SIMPSON_METHOD:
self.result = str(
round(
NumericalIntegrator().simpson_method(
float_a, float_b, func), 5))
self.calculate_state = CalculateState.ENABLE
self.logger.log('Result: {}'.format(self.result))
def test_numerical_integratior_simpson_method_args_zero(self):
def func(x):
return x
result = NumericalIntegrator().simpson_method(0, 0, func)
self.assertEqual(result, 0)
def test_numerical_integratior_simpson_method_func_difficult(self):
def func(x):
return x * (x + 1) + 1
result = NumericalIntegrator().simpson_method(1, 2, func)
self.assertEqual(round(result, 5), round(4.83333, 5))
def test_numerical_integratior_simpson_method_func_linear(self):
def func(x):
return x
result = NumericalIntegrator().simpson_method(1, 2, func)
self.assertEqual(round(result, 5), round(1.5, 5))
def test_numerical_integratior_can_create(self):
numerical_integratior = NumericalIntegrator()
self.assertTrue(isinstance(numerical_integratior, NumericalIntegrator))
def test_numerical_integratior_trapezium_method_func_zero(self):
def func(x):
return 0
result = NumericalIntegrator().trapezium_method(1, 2, func)
self.assertEqual(result, 0)