def test_torture_quadratic():
'''
Do torture testing
'''
args = [10, 0, 1, 18, -5, -1, 0.5, -1.5]
for a, b, c in itertools.permutations(args, 3):
if a == 0:
with py.test.raises(ZeroDivisionError):
quadratic(a=a, b=b, c=c)
else:
x1, x2 = quadratic(a=a, b=b, c=c)
assert cmath.isclose(a * x2**2 + b * x2 + c, 0.0, abs_tol=0.0001)
def test_quadratic():
'''
Do basic testing
'''
x1, x2 = quadratic(a=8, b=22, c=15)
assert 8 * x1**2 + 22 * x1 + 15 == 0
assert 8 * x2**2 + 22 * x2 + 15 == 0
def test_hypothesis_01(a, b, c):
assume(abs(a) > 0.001)
assume(abs(b) > 0.001)
assume(abs(c) > 0.001)
x1, x2 = quadratic(a, b, c)
assert math.isclose(a * x1**2 + b * x1 + c, 0.0, abs_tol=0.001)
assert math.isclose(a * x2**2 + b * x2 + c, 0.0, abs_tol=0.001)
def test_quadratic_hypothesis(a, b, c):
assume(abs(a) > 0.001)
assume(abs(b) > 0.001)
assume(abs(c) > 0.001)
x1, x2 = quadratic(a, b, c)
# assert a*x1**2 + b*x1 + c == 0.0 -> tests fail when using a=0.0100000000002 etc
# assert a*x2**2 + b*x2 + c == 0.0 -> better use math.isclose which takes rounding into account
assert cmath.isclose(a * x1**2 + b * x1 + c, 0.0, abs_tol=0.0001)
assert cmath.isclose(a * x2**2 + b * x2 + c, 0.0, abs_tol=0.0001)
def calculate():
Label(window, text=" " * 100).grid(row=4)
global answer
aval = a.get()
bval = b.get()
cval = c.get()
if aval and bval and cval:
answers = quadratic(float(aval), float(bval), float(cval))
answer = Label(window,
text="Answer: " + str(answers[0]) + ", " +
str(answers[1])).grid(row=4)
text = Label(window, text=answers[2]).grid(row=5)
def main() -> None:
message: str = "Hello"
print(message)
# Solve an arbitrary quadratic equation
a: float = 11
b: float = 18
c: float = 7
x_1: float
x_2: float
x_1, x_2 = quadratic(a=a, b=b, c=c)
print("Solving for x in the quadratic equation ax^2 + bx + c = 0 where")
print("a = {0}\nb = {1}\nc = {2}".format(a, b, c))
print("The two roots (x) are: {root_1:5.5} and {root_2:5.5}".format(
root_1=x_1, root_2=x_2))
def test_basic():
assert quadratic(0, 1) == (1, -1, 0)
assert quadratic(4, 9) == (1, -13, 36)
assert quadratic(2, 6) == (1, -8, 12)
assert quadratic(-5, -4) == (1, 9, 20)
def test_quadratic():
x1, x2 = quadratic(a=8, b=22, c=15)
assert 8 * x1**2 + 22 * x1 + 15 == 0
assert 8 * x2**2 + 22 * x2 + 15 == 0
def test_torture_test():
args = [10, 0, 1, 18, -5, -1, 0.5, -1.5]
for t in itertools.permutations(args, 3):
x1, x2 = quadratic(*t)
import quadratic
"""
6 15 [2, 3] [3, 5]
35 85 [5, 7] [5, 17]
204 493 [2, 2, 3, 17] [17, 29]
1189 2871 [29, 41] [3, 3, 11, 29]
6930 16731 [2, 3, 3, 5, 7, 11] [3, 3, 11, 13, 13]
40391 97513 [13, 13, 239] [13, 13, 577]
235416 568345 [2, 2, 2, 3, 17, 577] [5, 197, 577]
1372105 3312555 [5, 7, 197, 199] [3, 5, 19, 59, 197]
7997214 19306983 [2, 3, 19, 29, 41, 59] [3, 19, 59, 5741]
"""
p = [1, 6, 35, 204]
while 1:
r = (6 * p[-1]) - p[-2]
c = -(r * (r - 1))
b = -(1 + 2 * r)
a = 1
t = quadratic.quadratic(a, b, c)
best_root = t[0]
if int(best_root) == best_root:
best_root = int(best_root)
print r, best_root
p.append(r)
if (r + best_root) > 1000 * 1000 * 1000 * 1000:
print r, best_root, r + best_root
break
def menu():
print("1-Addition \t\t 2-Subtration \t\t 3-Multiply \t\t 4-Division")
print("5-Sin() \t\t 6-Cos() \t\t 7-Tan() \t\t 8-Sec()")
print("9-Cosec() \t\t 10-Cot() \t\t 11-Square \t\t 12-Square Root \t\t")
print("13-Power \t\t 14-Root \t\t 15-Expontial(e^x)")
print("16-Factorial \t\t 17-log()\t\t 18-ln() \t\t 19-Quadratic Eq Solver")
print(
"20-Inverse(x^-1) \t 21-Sin inverse \t 22-Cos Inverse \t 23.Tan Inverse"
)
print("24-Permutation \t\t 25-Combination \t 26-Percentage")
print("27-Multiple Basic Operators At a time \t\t 28-Close")
while True:
try:
choice = int(input("Enter your choice(press number):"))
break
except ValueError:
print("Input must be a number!")
if choice == 1:
while True:
Sum.Sum()
x = int(input("press 1 to try again,press 2 to return to menu"))
if x == 1:
continue
if x == 2:
menu()
break
elif choice == 2:
while True:
Sub.sub()
x = int(input("press 1 to try again,press 2 to return to menu"))
if x == 1:
continue
if x == 2:
menu()
break
elif choice == 3:
while True:
Mul.multiply()
x = int(input("press 1 to try again,press 2 to return to menu"))
if x == 1:
continue
if x == 2:
menu()
break
elif choice == 4:
while True:
divide.divide()
x = int(input("press 1 to try again,press 2 to return to menu"))
if x == 1:
continue
if x == 2:
menu()
break
elif choice == 5:
while True:
sin.sin()
x = int(input("press 1 to try again,press 2 to return to menu"))
if x == 1:
continue
if x == 2:
menu()
break
elif choice == 6:
while True:
cos.cos()
x = int(input("press 1 to try again,press 2 to return to menu"))
if x == 1:
continue
if x == 2:
menu()
break
elif choice == 7:
while True:
tan.tan()
x = int(input("press 1 to try again,press 2 to return to menu"))
if x == 1:
continue
if x == 2:
menu()
break
elif choice == 8:
while True:
sec.sec()
x = int(input("press 1 to try again,press 2 to return to menu"))
if x == 1:
continue
if x == 2:
menu()
break
elif choice == 9:
while True:
cosec.cosec()
x = int(input("press 1 to try again,press 2 to return to menu"))
if x == 1:
continue
if x == 2:
menu()
break
elif choice == 10:
while True:
cot.cot()
x = int(input("press 1 to try again,press 2 to return to menu"))
if x == 1:
continue
if x == 2:
menu()
break
elif choice == 11:
while True:
square.square()
x = int(input("press 1 to try again,press 2 to return to menu"))
if x == 1:
continue
if x == 2:
menu()
break
elif choice == 12:
while True:
sqrt.sqrt()
x = int(input("press 1 to try again,press 2 to return to menu"))
if x == 1:
continue
if x == 2:
menu()
break
elif choice == 13:
while True:
power.power()
x = int(input("press 1 to try again,press 2 to return to menu"))
if x == 1:
continue
if x == 2:
menu()
break
elif choice == 14:
while True:
root.root()
x = int(input("press 1 to try again,press 2 to return to menu"))
if x == 1:
continue
if x == 2:
menu()
break
elif choice == 15:
while True:
exponential.exponential()
x = int(input("press 1 to try again,press 2 to return to menu"))
if x == 1:
continue
if x == 2:
menu()
break
elif choice == 16:
while True:
factorial.factorial()
x = int(input("press 1 to try again,press 2 to return to menu"))
if x == 1:
continue
if x == 2:
menu()
break
elif choice == 17:
while True:
log.log()
x = int(input("press 1 to try again,press 2 to return to menu"))
if x == 1:
continue
if x == 2:
menu()
break
elif choice == 18:
while True:
ln.ln()
x = int(input("press 1 to try again,press 2 to return to menu"))
if x == 1:
continue
if x == 2:
menu()
break
elif choice == 19:
while True:
quadratic.quadratic()
x = int(input("press 1 to try again,press 2 to return to menu"))
if x == 1:
continue
if x == 2:
menu()
break
elif choice == 20:
while True:
inverse.inv()
x = int(input("press 1 to try again,press 2 to return to menu"))
if x == 1:
continue
if x == 2:
menu()
break
elif choice == 21:
while True:
asin.asin()
x = int(input("press 1 to try again,press 2 to return to menu"))
if x == 1:
continue
if x == 2:
menu()
break
elif choice == 22:
while True:
acos.acos()
x = int(input("press 1 to try again,press 2 to return to menu"))
if x == 1:
continue
if x == 2:
menu()
break
elif choice == 23:
while True:
atan.atan()
x = int(input("press 1 to try again,press 2 to return to menu"))
if x == 1:
continue
if x == 2:
menu()
break
elif choice == 24:
while True:
per.per()
x = int(input("press 1 to try again,press 2 to return to menu"))
if x == 1:
continue
if x == 2:
menu()
break
elif choice == 25:
while True:
com.com()
x = int(input("press 1 to try again,press 2 to return to menu"))
if x == 1:
continue
if x == 2:
menu()
break
elif choice == 26:
while True:
percentage.percentage()
x = int(input("press 1 to try again,press 2 to return to menu"))
if x == 1:
continue
if x == 2:
menu()
break
elif choice == 27:
while True:
combine()
x = int(input("press 1 to try again,press 2 to return to menu"))
if x == 1:
continue
if x == 2:
menu()
break
elif choice == 28:
close()
else:
print("Invalid Input.Try Again")
menu()
def example_3():
expected = (0.0, )
actual = quadratic(1, 0, 0)
assert actual == expected, "Test 3 (example): failed!"
def test_complex():
assert_equal(quadratic(1, 0, 1), [],
err_msg="Roots of x^2 + 1 = 0 should be [], empty list")
def test_inconsistent():
assert_equal(
quadratic(0, 0, 1), [],
err_msg="Roots of 0 x^2 + 0 x + 1 = 0 should be [], empty list")
import quadratic """ 6 15 [2, 3] [3, 5] 35 85 [5, 7] [5, 17] 204 493 [2, 2, 3, 17] [17, 29] 1189 2871 [29, 41] [3, 3, 11, 29] 6930 16731 [2, 3, 3, 5, 7, 11] [3, 3, 11, 13, 13] 40391 97513 [13, 13, 239] [13, 13, 577] 235416 568345 [2, 2, 2, 3, 17, 577] [5, 197, 577] 1372105 3312555 [5, 7, 197, 199] [3, 5, 19, 59, 197] 7997214 19306983 [2, 3, 19, 29, 41, 59] [3, 19, 59, 5741] """ p = [1, 6, 35, 204] while 1 : r = (6 * p[-1]) - p[-2] c = -(r * (r - 1)) b = -(1 + 2*r) a = 1 t = quadratic.quadratic(a,b,c) best_root = t[0] if int(best_root) == best_root : best_root = int(best_root) print r, best_root p.append(r) if (r + best_root) > 1000*1000*1000*1000 : print r, best_root, r + best_root break
def test_quadratic_types():
'''
Do typing testing
'''
with py.test.raises(TypeError):
quadratic(a=8, b='hello', c=15)
def test_torture():
args = [10, 0, -5, 1, -1, 18, 99]
for t in permutations(args, 3):
x1, x2 = quadratic(*t)
def test_quadratic_types():
x1, x2 = quadratic(a='eight', b=22, c=15)
def test_repeated_real_trivial():
assert_allclose(quadratic(1, 0, 0), [0, 0],
err_msg="Roots of x^2 = 0 should be [0, 0]")
def test_repeated_real_nontrivial():
assert_allclose(quadratic(4, -4, 1), [0.5, 0.5],
err_msg="Roots of (2 x - 1)^2 = 0 should be [1/2, 1/2]")
from abs_se import self_abs
# print(hex(int('34')))
print(self_abs(-9))
# print(self_abs('d'))
print(type('23'))
# 返回多个值
from game import move
import math
print(move(4, 5, 2, 30))
r = move(100, 100, 60, math.pi / 6)
print(r)
from quadratic import quadratic
print(quadratic(1, -2, 1))
# 测试:
print('quadratic(2, 3, 1) =', quadratic(2, 3, 1))
print('quadratic(1, 3, -4) =', quadratic(1, 3, -4))
if quadratic(2, 3, 1) != (-0.5, -1.0):
print('测试失败')
elif quadratic(1, 3, -4) != (1.0, -4.0):
print('测试失败')
else:
print('测试成功')
def test_linear():
assert_allclose(quadratic(0, 1, -1), [1],
err_msg="Roots of 0 x^2 + x - 1 = 0 should be [1]")
def test_quad(a, b, c):
assume(abs(a) >= 0.0001)
x1, x2 = quadratic(a, b, c)
assert cmath.isclose(a * x1**2 + b * x1 + c, 0.0, abs_tol=0.0001)
assert cmath.isclose(a * x1**2 + b * x1 + c, 0.0, abs_tol=0.0001)
def test_distinct_real():
assert_allclose(quadratic(1, 0, -1), [1, -1],
err_msg="Roots of x^2 - 1 = 0 should be [1, -1]")
def example_2():
expected = (-1.0,)
actual = quadratic(1, 2, 1)
assert actual == expected, "Test 2 (example): failed!"
import math
from quadratic import quadratic
print('quadratic(2,3,1) = ', quadratic(2, 3, 1))
print('quadratic(1,3,-4) = ', quadratic(1, 3, -4))
def example_3():
expected = (11111111111111111111111111111111111111111)
actual = quadratic(1, 1, 1)
assert actual == expected, "Test 3 (example): failed!"
def example_1():
expected = (2.5, 1.0)
actual = quadratic(2, -7, 5)
assert actual == expected, "Test 1 (example): failed!"
def test_quadratic_types():
with pytest.raises(TypeError):
quadratic(a=8, b='hello', c=15)
with pytest.raises(TypeError):
quadratic(a=8, b=22, c=15, d=4)
from quadratic import quadratic
a = float(
input(
'Please input the parameters for the equation: a*x^2 + b*x + c = 0. \n'
+ 'a = '))
b = float(input('b = '))
c = float(input('c = '))
quadratic(a, b, c)
print('--------import my_abs--------')
from my_abs import my_abs
print('1 of abs is',my_abs(1))
print('-1 of abs is',my_abs(-1))
print('0 of abs is',my_abs(0))
# print('\'a\' of abs is',my_abs('a'))
print('--------return multi value--------')
import math
def move(x, y, step, angle=0):
nx = x +step* math.cos(angle)
ny = y +step* math.cos(angle)
return nx, ny
x, y = move(100,100,60,math.pi/6)
print(x, y)
r = move(100,100,60,math.pi/6)
print(r)
print('returning multi value is just return a tuple')
print('--------exercise--------')
from quadratic import quadratic
print(quadratic(1,3,-4))
print(quadratic(1,5,-150))
