def test_int_mid_rect_20(self):
self.assertEqual(int_mid_rect(0, 0, 100000), 0)
if a < -1 or a > 0.999999999:
print("You entered wrong data\n")
else:
break
except ValueError:
print("You entered wrong data\n")
while 1:
try:
b = float(input("Enter higher border of the integral (from -0.999999999 to 1): "))
if b < -0.999999999 or b > 1:
print("You entered wrong data\n")
elif b < a:
print("Higher border can`t be less than lower border. Please, repeat entering of the higher border of the integral:\n")
else:
break
except ValueError:
print("You entered wrong data\n")
while 1:
try:
n = int(input("Enter number of grid intervals (from 10 to 1000000): "))
if n < 10 or n > 1000000:
print("You entered wrong data\n")
else:
break
except ValueError:
print("You entered wrong data\n")
print("\nResult of the integral x*arcsin(x) from", a, " to ", b," equals ", int_mid_rect(a, b, n))
def test_int_mid_rect_10(self):
self.assertEqual(int_mid_rect(0, 0.9, 1000), 0.27163939357734845)
def test_int_mid_rect_70(self):
self.assertEqual(int_mid_rect(0.999999999, 1, 10),
1.5707663905513454e-09)
def test_int_mid_rect_50(self):
self.assertEqual(int_mid_rect(-1, 0, 100000), 0.39269907896918677)
def test_int_mid_rect_40(self):
self.assertEqual(int_mid_rect(-1, 1, 1000), 0.7853822437404907)
def test_int_mid_rect_30(self):
self.assertEqual(int_mid_rect(0, 0.5, 10), 0.0426886755045163)