def test_functions():
value = random.randint(-100, 100)
value2 = random.randint(1, 100)
assert round(c.sin(value)) == round(math.sin(
value)), "Sin function is not working, you studied this in 10.."
assert round(c.cos(value)) == round(math.cos(
value)), "Cos function is not working, you studied this in 10.."
assert round(c.tan(value)) == round(math.tan(
value)), "Tan function is not working, you studied this in 10.."
assert round(c.tanh(value)) == round(math.tanh(
value)), "Tanh function is not working, you studied this in 10.."
assert round(c.sigmoid(value)) == round(
(1 / (1 + math.exp(-value))
)), "Sigmoid function is not working, this is the basic of DNN.."
assert round(c.relu(value)) == round(max(
0, value)), "Relu function is not working, this is the basic of DNN,,"
assert round(c.log(value2)) == round(math.log(
value2)), "Log function is not working, you studied this in 10.."
assert round(c.e(value)) == round(math.exp(
value)), "Exp function is not working, you studied this in 10.."
assert [
0.0003282279149649954, 0.0024252944769113903, 0.01792063694632493,
0.0008922159768423478, 0.9784336246849563
] == c.softmax([1, 3, 5, 2,
9]), "Softmax not working bro.. how will you make NN then"
def test_sigmoid():
"""
Test the method sigmoid in the calculator package
:return: None
"""
output = calculator.sigmoid(0)
assert output == 0.5
output = derivatives.derivative_sigmoid(0)
assert output == 0.25
def test_all_function_check():
import calculator
assert calculator.sin(math.pi / 2) == 1
assert calculator.cos(math.pi) == -1
assert calculator.tan(0) == 0
assert calculator.tanh(0) == 0
assert calculator.softmax([1,
2]) == [0.2689414213699951, 0.7310585786300049]
assert calculator.e(0) == 1
assert calculator.log(10, base=10) == 1
assert calculator.relu(10) == 10
assert calculator.relu(-10) == 0
assert calculator.sigmoid(0) == 0.5
def test():
abs_tol = 0.001
rel_tol = 0.001
test_value = 25
# ================= testing sin =====================
assert math.isclose(
calculator.sin(test_value), -0.132, rel_tol=abs_tol,
abs_tol=abs_tol), (f'actual : {calculator.sin(test_value)}',
f'expected : {-0.132}')
assert math.isclose(
derivatives.sin(test_value), 0.991, rel_tol=abs_tol,
abs_tol=abs_tol), (f'actual : {derivatives.sin(test_value)}',
f'expected : {0.991}')
# ================= testing cosine =====================
assert math.isclose(
calculator.cos(test_value), 0.991, rel_tol=abs_tol,
abs_tol=abs_tol), (f'actual : {calculator.cos(test_value)}',
f'expected : {0.991}')
assert math.isclose(
derivatives.cos(test_value), 0.132, rel_tol=abs_tol,
abs_tol=abs_tol), (f'actual : {derivatives.cos(test_value)}',
f'expected : {0.132}')
# ================= testing exponential =====================
assert math.isclose(
calculator.exp(test_value),
72004899337,
rel_tol=abs_tol,
abs_tol=abs_tol), (f'actual : {calculator.exp(test_value)}',
f'expected : {72004899337}')
assert math.isclose(
derivatives.exp(test_value),
72004899337,
rel_tol=abs_tol,
abs_tol=abs_tol), (f'actual : {derivatives.exp(test_value)}',
f'expected : {72004899337}')
# ================= testing log =====================
assert math.isclose(
calculator.log(test_value), 3.218, rel_tol=abs_tol,
abs_tol=abs_tol), (f'actual : {calculator.log(test_value)}',
f'expected : {3.218}')
assert math.isclose(
derivatives.log(test_value), 0.04, rel_tol=abs_tol,
abs_tol=abs_tol), (f'actual : {derivatives.log(test_value)}',
f'expected : {0.04}')
# ================= testing relu =====================
assert math.isclose(
calculator.relu(test_value), 25, rel_tol=abs_tol,
abs_tol=abs_tol), (f'actual : {calculator.relu(test_value)}',
f'expected : {25}')
assert math.isclose(
derivatives.relu(test_value), 1, rel_tol=abs_tol,
abs_tol=abs_tol), (f'actual : {derivatives.relu(test_value)}',
f'expected : {1}')
# ================= testing sigmoid =====================
assert math.isclose(
calculator.sigmoid(test_value),
0.999,
rel_tol=abs_tol,
abs_tol=abs_tol), (f'actual : {calculator.sigmoid(test_value)}',
f'expected : {0.999}')
assert math.isclose(
derivatives.sigmoid(test_value),
1.388794386457827062508E-11,
rel_tol=abs_tol,
abs_tol=abs_tol), (f'actual : {derivatives.sigmoid(test_value)}',
f'expected : {1.388794386457827062508E-11}')
# ================= testing Softmax =====================
assert math.isclose(
calculator.softmax(test_value), 1, rel_tol=abs_tol,
abs_tol=abs_tol), (f'actual : {calculator.softmax(test_value)}',
f'expected : {1}')
# assert math.isclose(derivatives.softmax(test_value), 0.04 ,
# rel_tol=abs_tol,
# abs_tol=abs_tol),(f'actual : {derivatives.softmax(test_value)}',
# f'expected : {0.04}' )
# ================= testing tan =====================
assert math.isclose(
calculator.tan(test_value), -0.133, rel_tol=abs_tol,
abs_tol=abs_tol), (f'actual : {calculator.tan(test_value)}',
f'expected : {-0.133}')
assert math.isclose(
derivatives.tan(test_value), 2.017, rel_tol=abs_tol,
abs_tol=abs_tol), (f'actual : {derivatives.tan(test_value)}',
f'expected : {2.017}')
def test_sigmoid_import():
sigmoid_zero = calculator.sigmoid(0)
assert sigmoid_zero == 0.5, "sigmoid function in calculor has wrong implementation"
def test_function_dsigmoid():
assert derivatives.dsigmoid(calculator.sigmoid(num)) == calculator.sigmoid(num)*(1-calculator.sigmoid(num)), 'dSigmoid implementaion failed'
def test_function_sigmoid():
assert calculator.sigmoid(0) == 0.5, 'Sigmoid implementaion failed'
def test_sigmoid():
assert calc.sigmoid(0) == 0.5, 'Check sigmoid function'
def test_type_error():
with pytest.raises(TypeError, match=r".*Input value of invalid type*"):
calculator.sin("60")
with pytest.raises(TypeError, match=r".*Input value of invalid type*"):
calculator.cos("-45")
with pytest.raises(TypeError, match=r".*Input value of invalid type*"):
calculator.tan("4.5")
with pytest.raises(TypeError, match=r".*Input value of invalid type*"):
calculator.tanh("50")
with pytest.raises(TypeError, match=r".*Input value of invalid type*"):
calculator.relu("1.3")
with pytest.raises(TypeError, match=r".*Input value of invalid type*"):
calculator.sigmoid("2.4")
with pytest.raises(TypeError, match=r".*Input value of invalid type*"):
calculator.euler("4")
with pytest.raises(TypeError, match=r".*invalid type*"):
calculator.softmax([10, "2", "3"])
with pytest.raises(TypeError, match=r".*Input value of invalid type*"):
calculator.log("5", 10)
with pytest.raises(TypeError, match=r".*Input value of invalid type*"):
calculator.log(3, "10")
with pytest.raises(TypeError, match=r".*Input value of invalid type*"):
derivatives.d_sin("45")
with pytest.raises(TypeError, match=r".*Input value of invalid type*"):
derivatives.d_cos("4.5")
with pytest.raises(TypeError, match=r".*Input value of invalid type*"):
derivatives.d_tan("45")
with pytest.raises(TypeError, match=r".*Input value of invalid type*"):
derivatives.d_tanh([1, 3])
with pytest.raises(TypeError, match=r".*Input value of invalid type*"):
derivatives.d_euler("10")
with pytest.raises(TypeError, match=r".*Input value of invalid type*"):
derivatives.d_sigmoid("3")
with pytest.raises(TypeError, match=r".*Input value of invalid type*"):
derivatives.d_relu("-5")
with pytest.raises(TypeError, match=r".*invalid type*"):
derivatives.d_softmax([20, "3", 5])
with pytest.raises(TypeError, match=r".*Input value of invalid type*"):
derivatives.d_log("5", 20)
with pytest.raises(TypeError, match=r".*Input value of invalid type*"):
derivatives.d_log(5, "20")
def test_sigmoid_module():
assert 0.6224593312018546 == calculator.sigmoid(
0.5), "sigmoid_func module from cal package is not working as expected"
assert 0.2350037122015945 == derivatives.d_sigmoid(
0.5), "sigmoid_func module from cal package is not working as expected"
def Build():
(dataTrain , dataTest , dataValid ) = lib_reader.getData()
X_train, Y_train = dataTrain
X_test, Y_test = dataTest
X_valid, Y_valid = dataValid
print("================= Data-set-information ===============")
print(" Number of dataTrain samples : ",len(Y_train))
print(" Number of dataTest samples : ",len(Y_test))
print(" Number of dataValid samples : ",len(Y_valid))
print(" Number of features : ",len(X_train[0]) )
print(" Number of classes : 2")
print("======================================================")
# init model :w1 , w2, nEpochs = ??
alpha = 0.001
hSize = 32
np.random.seed(7)
W1 = np.random.random((X_train.shape[1] , hSize)) #dxh 30x15
W2 = np.random.random((hSize , 1)) #hx1 15x1
nEpochs = 10000
historyTrain = []
historyValid = []
historyTest = []
# ==========================================TRAINING=======================================
for epoch in range(nEpochs):
layer0 = X_train # input_layer 30 features x 457 samples : 457x30
layer1 = lib_calc.sigmoid ( np.dot(layer0 , W1)) # hidden_layer h = 15 neurals x n = 457 samples : 457x15
layer2 = lib_calc.sigmoid ( np.dot(layer1 , W2)) # output_layer c = 1 value x n = 457 samples : 457x1
# caculate loss + test --> plot
if (epoch%100 == 0):
print("Epoch ",epoch, ": ==============")
historyTrain.append( lib_calc.caculate_and_show("training-set :", layer2, Y_train)[0])
historyValid.append( lib_calc.caculate_and_show("validation-set :", getOutput(X_valid , W1,W2), Y_valid)[0])
historyTest.append( lib_calc.caculate_and_show("test-set :", getOutput(X_test , W1,W2), Y_test)[0])
print("========================")
# update model
layer2_error = layer2 - Y_train
layer2_delta = layer2_error * lib_calc.sigmoid_derivative(layer2)
W2_delta = layer1.T.dot(layer2_delta)
layer1_error = layer2_delta.dot(W2.T)
layer1_delta = layer1_error * lib_calc.sigmoid_derivative(layer1)
W1_delta = layer0.T.dot(layer1_delta)
W1 -= alpha * W1_delta
W2 -= alpha * W2_delta
# plot to graph
plt.plot(historyTrain)
plt.plot(historyTest)
plt.plot(historyValid)
plt.title('model loss')
plt.ylabel('loss')
plt.xlabel('epoch')
plt.legend(['train', 'test' , 'valid'], loc='upper left')
plt.show()
def getOutput(X,W1,W2):
layer0 = X # input_layer 30 features x 457 samples : 457x30
layer1 = lib_calc.sigmoid(np.dot(layer0, W1)) # hidden_layer h = 15 neurals x n = 457 samples : 457x15
layer2 = lib_calc.sigmoid(np.dot(layer1, W2))
return layer2
def test_sigmoid_len():
assert calculator.sigmoid(mmatrix_single) == 'ERROR!!, more than one value is required'
def test_sigmoid():
print(calculator.sigmoid(mmatrix))
def test_sigmoid():
assert calc.sigmoid(7) == (1 / (1 + np.exp(-7)))
def test_sigmoid(self):
expect = calculator.sigmoid(np.array([0, 2]))
self.assertEqual(0.5, expect[0])
self.assertEqual(0.88079707797788231, expect[1])