def Graham_Scan(points: list):
stack = []
p_start = functions.find_first_point(points)
p_start = points.pop(p_start)
for i in range(len(points) - 1):
m = math.atan2(points[i][1] - p_start[1],
points[i][0] - p_start[0])
pair = [*points[i]]
index = i
for j in range(i + 1, len(points)):
if (math.atan2(points[j][1] - p_start[1],
points[j][0] - p_start[0]) < m):
m = math.atan2(points[j][1] - p_start[1],
points[j][0] - p_start[0])
pair = points[j]
index = j
t = [*points[i]]
points[i] = [*pair]
points[index] = [*t]
stack.append(p_start)
for i in range(len(points)):
next_to_top = 0
if len(stack) == 1:
next_to_top = stack[-1]
else:
next_to_top = stack[-2]
while len(stack) > 0 and functions.area(next_to_top, stack[-1],
points[i]) < 0:
stack.pop()
stack.append(points[i])
return stack
def Segments_Intersect(pa: list, pb: list, pc: list, pd: list):
p1, p2 = functions.bounding_rect(pa, pb)
p3, p4 = functions.bounding_rect(pc, pd)
if not functions.rectangle_intersect(p1, p2, p3, p4):
return False
s1 = functions.area(pc, pd, pa)
s2 = functions.area(pc, pd, pb)
s3 = functions.area(pa, pb, pc)
s4 = functions.area(pa, pb, pd)
if ((s1 > 0 > s2) or (s1 < 0 < s2)) and ((s3 > 0 > s4) or
(s3 < 0 < s4)):
return True
elif s1 == 0 and functions.between(pc, pd, pa):
return True
elif s2 == 0 and functions.between(pc, pd, pb):
return True
elif s3 == 0 and functions.between(pa, pb, pc):
return True
elif s4 == 0 and functions.between(pa, pb, pd):
return True
return False
def execute() -> 'html':
l = float((request.form['l']))
#y = int(request.form['y'])
tot = float(area(l))
title = 'This is the equation\'s result'
insertar_registro(l)
return render_template(
'results.html',
the_title=title,
#the_x=x,
the_l=l,
the_result=tot,
)
def insertar_registro(l: float) -> None:
configuracionDB = {
'host': '127.0.0.1',
'port': '5433',
'user': '******',
'password': '******',
'database': 'test',
}
conexion = psycopg2.connect(**configuracionDB)
tot = area(l)
_SQL = ("INSERT INTO calculos(total) VALUES(%s)")
cursor = conexion.cursor()
cursor.execute(_SQL, (tot, ))
conexion.commit()
cursor.close()
conexion.close()
def test_area(self):
self.assertEqual(area(5, 5), 12.5)
""" ------------------------------------------------------------------------ Task 7 ------------------------------------------------------------------------ Author: Evan Attfield ID: 180817010 Email: [email protected] Last Updated: Oct 30, 2018 ------------------------------------------------------------------------ """ from functions import diameter, circumference, area radius = float(input('Enter radius: ')) d = diameter(radius) c = circumference(radius) a = area(radius) print('') print('Diameter of circle: {}'.format(d)) print('Circumference of circle: {:.2f}'.format(c)) print('Area of circle: {:.2f}'.format(a))
from functions import circumference, area
print("Hi, welcom to Circle program\n")
x = float(input("Give me the radius of the circle: "))
while True:
print(
"1 --> Calculate the circumference of circle\n2 --> Calculate the area of circle\n3 --> exit"
)
z = int(input("your choice: "))
if z == 1:
circumference(x)
elif z == 2:
area(x)
elif z == 3:
break
else:
print("Error! Please select one of the following three options")
def test_area():
assert functions.area(1) == pi