class TestFraction(unittest.TestCase):
f1 = Fraction(5, 6)
f2 = Fraction(1, 2)
def test_sub(self):
self.assertEqual(self.f1 - self.f2, Fraction(1, 3))
def test_add(self):
self.assertEqual(self.f1 + self.f2, Fraction(4, 3))
def test_equal(self):
f1 = Fraction(1, 2)
f2 = Fraction(2, 4)
self.assertEqual(f1 == f2, True)
def test_mul(self):
self.assertEqual(self.f1 * self.f2, Fraction(5, 12))
def test_div(self):
self.assertEqual(self.f1 // self.f2, Fraction(5, 3))
def test_ne(self):
self.assertEqual(self.f1 != self.f2, True)
def test_lt(self):
self.assertEqual(self.f1 < self.f2, False)
def test_le(self):
self.assertEqual(self.f1 <= self.f2, False)
def test_gt(self):
self.assertEqual(self.f1 > self.f2, True)
def test_ge(self):
self.assertEqual(self.f1 >= self.f2, True)
def __init__(self, size):
self.size = size
self.ground_objects = {}
self.fraction1 = Fraction("T", 1, 1)
self.fraction4 = Fraction("W", 1, self.size)
self.fraction3 = Fraction("A", self.size, self.size)
self.fraction2 = Fraction("B", self.size, 1)
def main():
fraction_list = []
mixed_fraction_list = []
for line in open('fractions.dat', 'r'):
line = Fraction.from_string(line)
if line != Fraction(0):
fraction_list.append(line)
fraction_sum = Fraction(0)
for item in fraction_list:
fraction_sum += item
mixed_sum = MixedFraction(0)
for line in open('MixedFractions.dat', 'r'):
line = MixedFraction.from_string(line)
if line != MixedFraction(0):
mixed_fraction_list.append(line)
for item in mixed_fraction_list:
mixed_sum += item
holder = '{:} = {:}'.format(
' + '.join('{:}'.format(f) for f in fraction_list),
fraction_sum)
print(holder)
holder = '{:} = {:}'.format(' + '.join('{:}'.format(f)
for f in mixed_fraction_list), mixed_sum)
print(holder)
mixed_plus = mixed_sum + fraction_sum
print(mixed_sum, '+', fraction_sum, '=', mixed_plus, '\n')
for item in fraction_list:
print(mixed_plus, '-', item, '=', mixed_plus - item)
mixed_plus -= item
def resolve_higher_precedence_operations(operations: list) -> list:
index = 2
jump_to_operand = 2
#I move in spaces of 2 because the operands are in pair directions as args starts in 1
# maybe can use an additional stack to avoid the cost of the pop intermediate
while index < len(operations) - 1:
fraction1 = Fraction(operations[index - 1])
fraction2 = Fraction(operations[index + 1])
operand = operations[index]
solved = Calculator(fraction1, fraction2)
if operand == "*":
result = solved.multiplication()
operations[index - 1] = result.convert_to_string()
operations.pop(index)
operations.pop(index)
index -= jump_to_operand
if operand == "/":
result = solved.division()
operations[index - 1] = result.convert_to_string()
operations.pop(index)
operations.pop(index)
index -= jump_to_operand
index += jump_to_operand
return operations
def main():
# Caminho Feliz
f1 = Fraction(1, 5)
# print(f1.numerador) # 1
# print(f1.numerador == 1)
# print(f1.denominador) # 5
# print(f1.denominador == 5)
f2 = Fraction(1, 0)
print(f2.numerador == 1)
print(f2.denominador)
# f2.mais(1, 2) # +2/5
# print(f2.numerador == 6)
# print(f2.denominador == 8)
# f2.mais(f1.numerador, f2.denominador)
# print(f2.numerador == 4)
# print(f2.denominador == 5)
# f3 = Fraction(3, 7)
# print(f3.numerador == 3)
# print(f3.denominador == 7)
# f3.mais(f2.numerador, f2.denominador)
# print(f3.numerador==43)
# print(f3.denominador == 35)
# # # Começando com as alternativas
# f4 = Fraction(6) # denominador padrão 1
# print(f4.numerador == 6)
# print(f4.denominador == 1)
# f5 = Fraction() # numerador padrão 0
# print(f5.numerador == 0)
# print(f5.denominador == 1)
# # # Fração inválida
# # # denominador 0 deve lançar IllegalArgumentException
# print("here")
# f6 = Fraction(2, 0) # deve quebrar aqui
# print(f6.denominador == 0) # não deve chegar aqui
# # # comente as linhas após fazer quebrar
# # # Operações não suportadas
# # # não lidaremos com frações negativas
# # # deve lançar UnsupportedOperationException
# # #f7 = Fraction(2, -5)
# # #f8 = Fraction(-2, 5)
# # #f9 = Fraction(-2, -5)
# # # comente as linhas após fazer quebrar
# # # desafio: especificar e implementar as outras operações (opcional)
input('Press ENTER to exit')
def H(n):
counter = 1
finalFraction = Fraction(0, 1)
for x in range(n):
newFraction = Fraction(1, counter)
finalFraction = finalFraction + newFraction
counter += 1
return finalFraction
def Z(n):
fraction1 = Fraction(0, 1)
for x in range(n + 1):
newFraction = Fraction(1, 2)
fraction1 = fraction1 + (newFraction ** x)
fraction2 = Fraction(2, 1)
finalFraction = fraction2 - fraction1
return finalFraction
def R(n, b):
counter = 1
finalFraction = Fraction(0, 1)
for x in range(n):
newFraction = Fraction(1, counter)
newFraction2 = newFraction ** b
finalFraction = finalFraction + newFraction2
counter += 1
return finalFraction
def test_calculations(self):
self.assertEqual(self.mf1 * self.mf1, Fraction(625, 25))
self.assertEqual(self.mf1 * self.mf1, MixedFraction(625, 25))
self.assertEqual(self.mf1 * self.f0, Fraction(25, 40))
self.assertEqual(self.mf1 * self.f0, MixedFraction(25, 40))
self.assertEqual(self.mf1 / self.mf3, Fraction(50, 75))
self.assertEqual(self.mf1 / self.mf3, MixedFraction(50, 75))
self.assertEqual(self.mf2 / self.f0, Fraction(160, 4))
self.assertEqual(self.mf2 / self.f0, MixedFraction(160, 4))
def ncr(n, r):
if n == r:
return Fraction.value_of(1)
if n == 0:
return Fraction.value_of(0)
if r == 0:
return Fraction.value_of(1)
numerator = math.factorial(n)
denominator = math.factorial(r) * math.factorial(n - r)
return Fraction(numerator, denominator)
class TestFractionMethods(unittest.TestCase):
'''Testing class Fraction'''
def setUp(self):
'''Setting up'''
self.frac1 = Fraction(1, 3)
self.frac2 = Fraction(4, 6)
self.frac3 = Fraction(6, 4)
def test_init(self):
'''Testing init'''
self.assertEqual(self.frac1, Fraction(1, 3))
def test_init_simplification(self):
'''Testing init with gcd'''
self.assertEqual(self.frac2, Fraction(2, 3))
def test_init_numer_error(self):
'''Testing TypeError'''
self.assertRaises(TypeError, Fraction, *(1.5, 2))
def test_init_denom_error(self):
'''Testing TypeError'''
self.assertRaises(TypeError, Fraction, *(1, 2.5))
def test_get_numer(self):
'''Testing numerator getter'''
self.assertEqual(self.frac1.get_numer(), 1)
def test_get_denom(self):
'''Testing denominator getter'''
self.assertEqual(self.frac1.get_denom(), 3)
def test_fractions_add(self):
'''Testing __add__ method'''
self.assertEqual(self.frac1 + self.frac2, Fraction(1, 1))
def test_fractions_sub(self):
'''Testing __sub__ method'''
self.assertEqual(self.frac1 - self.frac2, Fraction(-1, 3))
def test_fractions_mult(self):
'''Testing __mult__ method'''
self.assertEqual(self.frac1 * self.frac2, Fraction(2, 9))
def test_fractions_truediv(self):
'''Testing __truediv__ method'''
self.assertEqual(self.frac1 / self.frac2, Fraction(1, 2))
def test_str(self):
'''Testing __str__method'''
with patch('sys.stdout', new=StringIO()) as output:
print(self.frac3)
self.assertEqual(output.getvalue().strip(), '3/2')
def main():
fractList = []
fractFile = open('Fractions.dat','r')
for eachLine in fractFile:
top, bottom = eachLine.split('/')
fractList += fract
f0 = Fraction(2)
f1 = Fraction(1, 3)
f2 = MixedFraction(12, 3)
print(f0, '+', f1, '+', f2, '=', f0 + f1 + f2)
f3 = f1 ** 3
print('({})**3 = {}'.format(f1, f3))
print('({})**3 = {}'.format(f2, f2**3))
def cutTop(threshold):
maxVotes = 0
for canadite in canadites:
if canadite[1] > maxVotes:
maxVotes = canadite[1]
while maxVotes >= threshold + Fraction(1, 10000):
toDistribute = []
for canadite in canadites:
if canadite[1] > threshold:
amountStaying = threshold / canadite[1]
for vote in partyVoters[canadite[0]]:
var = vote[1] * amountStaying
newVote = [vote[0], vote[1] - var]
vote[1] = var
canadite[1] -= newVote[1]
toDistribute.append(newVote)
for item in toDistribute:
distributeNewVotes(item[0], item[1])
maxVotes = 0
for canadite in canadites:
if canadite[1] > maxVotes:
maxVotes = canadite[1]
print(canadites)
def removeLowest():
minVotes = -1
for person in canadites:
# Need other qualifiers for who to eliminate if the canadites are tied
if (minVotes == -1
or person[1] < canadites[minVotes][1]) and person[2]:
minVotes = canadites.index(person)
canadites[minVotes][2] = False
canadites[minVotes][1] = Fraction(0, 1)
canaditeCount = 0
for canadite in partyVoters:
if canaditeCount != minVotes:
for vote in partyVoters[canaditeCount]:
emptyList = 0
for rank in vote[0]:
pos = 0
for item in rank:
if item == minVotes:
rank.pop(pos)
if len(vote[0][emptyList]) == 0:
vote[0].pop(emptyList)
pos += 1
emptyList += 1
canaditeCount += 1
for vote in partyVoters[minVotes]:
distributeNewVotes(vote[0], vote[1])
def meekSTV(self, numOfSeats):
seats = numOfSeats
additionalQuota = Fraction(1, 1000)
accuracy = Fraction(1, 100)
threshold = Fraction(len(self.votes), seats + 1) + additionalQuota
candidatesLeft = len(self.candidates)
while candidatesLeft > seats + 1:
cutTopAgain = True
while cutTopAgain:
cutTopAgain = False
for person in self.candidates:
if person.getCount() > threshold + accuracy:
cutTopAgain = True
if cutTopAgain:
self.cutTop(threshold)
self.removeLowest()
candidatesLeft -= 1
# print("one down")
lastRemoval = -1
for person in self.candidates:
if person.getAccp() > 0 and (
lastRemoval == -1
or person.getCount() < lastRemoval.getCount()):
lastRemoval = person
self.output.insert(0, lastRemoval.getIdent())
top = 0
val = 0
selected = []
for person in self.candidates:
if person.getCount() >= top and person != lastRemoval:
top = person.getCount()
val = person
selected.append(val.getIdent())
val.finalRemoval()
lastRemoval.finalRemoval()
if len(selected) == 1:
self.output.insert(0, selected[0])
else:
self.output.insert(0, selected)
def Ex1():
frac = Fraction(7, 2)
print(frac)
print(-frac) # выводит -7/2
print(~frac) # выводит 2/7
print(frac**2) # выводит 49/4
print(float(frac)) # выводит 3.5
print(int(frac)) # выводит 3
def bernoulli(n):
if n < 0 or n != int(n):
raise ValueError
if n == 0:
return Fraction.value_of(1)
if n != 1 and n % 2 != 0:
return Fraction.value_of(0)
if len(Utilities.bernoullis) > n:
return Utilities.bernoullis[n]
result = Fraction.value_of(0)
for k in range(0, n):
result = result.add(
Utilities.ncr(
n, k).negate().multiply(Utilities.bernoulli(k)).divide(
Fraction.value_of(n - k + 1))).simplify()
Utilities.bernoullis.append(result)
return result
def elimination():
Seats = 5
electionDone = False
threshold = Fraction(len(votes), Seats)
canaditesLeft = len(canadites)
while canaditesLeft > Seats:
cutTop(threshold)
removeLowest()
canaditesLeft -= 1
print(canadites)
def run(self, input, validWinners=None):
votes = input
i = 0
candidates = []
for tie in input[0].list:
for option in tie:
candidates.append(Candidate(i))
i += 1
voteCounts = [1]
while (len(voteCounts) < len(candidates)):
voteCounts.append(0)
for vote in votes:
curVote = 0
for tie in vote.getList():
toSplit = 0
numOfTie = 0
for vote in tie:
if validWinners == None or vote in validWinners:
toSplit += voteCounts[curVote]
curVote += 1
numOfTie += 1
if numOfTie > 0:
amountGiven = Fraction(toSplit, len(tie))
for vote in tie:
candidates[vote].addCount(amountGiven)
output = []
prev = 100000000000000
for i in candidates:
max = -1
maxPer = 0
for candidate in candidates:
if candidate.getCount() > max:
max = candidate.getCount()
maxPer = candidate.getIdent()
candidates[maxPer].setCount(-1)
if max < prev:
output.append(maxPer)
else:
if isinstance(output[len(output) - 1], int):
output[len(output) - 1] = [output[len(output) - 1], maxPer]
else:
output[len(output) - 1].append(maxPer)
prev = max
return output
def resolve_lower_precedence_operations(operations: list) -> str:
index = 2
jump_to_operand = 2
# I move in spaces of 2 because the operands are in pair directions as args starts in 1
while index < len(operations) - 1:
fraction1 = Fraction(operations[index - 1])
fraction2 = Fraction(operations[index + 1])
operand = operations[index]
solved = Calculator(fraction1, fraction2)
if operand == "+":
result = solved.addition()
operations[index - 1] = result.convert_to_string()
operations.pop(index)
operations.pop(index)
index -= jump_to_operand
if operand == "-":
result = solved.subtraction()
operations[index - 1] = result.convert_to_string()
operations.pop(index)
operations.pop(index)
index -= jump_to_operand
index += jump_to_operand
return operations[1]
def __init__(self, voteData, w=None):
if isinstance(voteData, list):
self.list = voteData
if w != None:
self.weight = w
else:
self.weight = Fraction(1, 1)
else:
self.list = []
for tie in voteData.getList():
newTie = []
for item in tie:
newTie.append(item)
self.list.append(newTie)
self.weight = voteData.weight
def run(self, input):
Thisvotes = input
i = 0
candidates = []
for tie in input[0].list:
for option in tie:
candidates.append(Candidate(i))
i += 1
firstVote = len(candidates) - 1
for vote in Thisvotes:
curVote = firstVote
for tie in vote.getList():
toSplit = 0
for vote in tie:
toSplit += curVote
curVote -= 1
amountGiven = Fraction(toSplit, len(tie))
for vote in tie:
candidates[vote].addCount(amountGiven)
output = []
prev = 100000000000000
for i in candidates:
max = -1
maxPer = 0
for candidate in candidates:
if candidate.getCount() > max:
max = candidate.getCount()
maxPer = candidate.getIdent()
candidates[maxPer].setCount(-1)
if max < prev:
output.append(maxPer)
else:
if isinstance(output[len(output) - 1], int):
output[len(output) - 1] = [output[len(output) - 1], maxPer]
else:
output[len(output) - 1].append(maxPer)
prev = max
return output
def main():
f0 = MixedFraction(18, 9)
f1 = MixedFraction(12, 3)
f2 = MixedFraction(4, 2)
print(f0, '+', f1, '+', f2, '=', f0 + f1 + f2)
f0 = MixedFraction(10, 9)
f1 = MixedFraction(4, 3)
f2 = MixedFraction(3, 2)
print(f0, '+', f1, '+', f2, '=', f0 + f1 + f2)
f3 = f1**3
print('({})**3 = {}'.format(f1, f3))
print('({})**3 = {}'.format(f2, f2**3))
f5 = Fraction(2, 9)
print(f1, '+', f5, '=', f1 + f5)
print(f5, '+', f1, '+', f0, '=', f5 + f1 + f0)
print(f0, '+', f1, '+', f5, '=', f0 + f1 + f5)
def distributeNewVotes(self, voter):
for vote in voter.getList()[0]:
newVote = voter.makeCopy()
divs = len(newVote.getList()[0])
newVote.getList()[0].pop(newVote.getList()[0].index(vote))
if len(newVote.getList()[0]) == 0:
newVote.getList().pop(0)
newVote.cutWeight(Fraction(1, divs))
if self.candidates[vote].getAccp() < 1:
nextIter = newVote.makeCopy()
newVote.cutWeight(self.candidates[vote].getAccp())
nextIter.setWeight(nextIter.getWeight() - newVote.getWeight())
self.distributeNewVotes(nextIter)
if newVote.getWeight() > 0:
self.candidates[vote].addNewVoter(newVote)
class FractionTests(unittest.TestCase):
def setUp(self):
self.a = Fraction(2, 3)
self.b = Fraction(4, 5)
def test_init(self):
self.assertEqual(2, self.a._Fraction__nominator)
self.assertEqual(3, self.a._Fraction__denominator)
def test_eq_not_true(self):
self.assertFalse(self.a == self.b)
def test_eq_true(self):
self.a._Fraction__nominator = 4
self.a._Fraction__denominator = 5
self.assertTrue(self.a == self.b)
def test_lt_not_true(self):
self.assertFalse(self.b < self.a)
def test_lt_true(self):
self.assertTrue(self.a < self.b)
def test_gt_not_true(self):
self.assertFalse(self.a > self.b)
def test_gt_true(self):
self.assertTrue(self.b > self.a)
def test_add(self):
fraction = self.a + self.b
self.assertEqual("(22, 15)", fraction.__str__())
self.assertEqual("(2, 3)", self.a.__str__())
self.assertEqual("(4, 5)", self.b.__str__())
def test_sub(self):
fraction = self.a - self.b
self.assertEqual("(-2, 15)", fraction.__str__())
self.assertEqual("(2, 3)", self.a.__str__())
self.assertEqual("(4, 5)", self.b.__str__())
def test_lcm(self):
self.assertEqual(15, self.a._Fraction__lcm(
self.b._Fraction__denominator))
def test_str(self):
self.assertEqual("(2, 3)", self.a.__str__())
class FractionTests(unittest.TestCase):
def setUp(self):
self.a = Fraction(2, 3)
self.b = Fraction(4, 5)
def test_init(self):
self.assertEqual(2, self.a._Fraction__nominator)
self.assertEqual(3, self.a._Fraction__denominator)
def test_eq_not_true(self):
self.assertFalse(self.a == self.b)
def test_eq_true(self):
self.a._Fraction__nominator = 4
self.a._Fraction__denominator = 5
self.assertTrue(self.a == self.b)
def test_lt_not_true(self):
self.assertFalse(self.b < self.a)
def test_lt_true(self):
self.assertTrue(self.a < self.b)
def test_gt_not_true(self):
self.assertFalse(self.a > self.b)
def test_gt_true(self):
self.assertTrue(self.b > self.a)
def test_add(self):
fraction = self.a + self.b
self.assertEqual("(22, 15)", fraction.__str__())
self.assertEqual("(2, 3)", self.a.__str__())
self.assertEqual("(4, 5)", self.b.__str__())
def test_sub(self):
fraction = self.a - self.b
self.assertEqual("(-2, 15)", fraction.__str__())
self.assertEqual("(2, 3)", self.a.__str__())
self.assertEqual("(4, 5)", self.b.__str__())
def test_lcm(self):
self.assertEqual(15,
self.a._Fraction__lcm(self.b._Fraction__denominator))
def test_str(self):
self.assertEqual("(2, 3)", self.a.__str__())
from Fraction import Fraction
import pytest
###validate parsing and simplication
##class with integer part and fractional part that can be simplified
sol = Fraction("3_2/4")
assert 14, 4 == (sol.numerator, sol.denominator)
assert "3_1/2" == sol.convert_to_string()
##simple fraction
sol = Fraction("2/4")
assert (2, 4) == (sol.numerator, sol.denominator)
assert "1/2" == sol.convert_to_string()
##improper fraction that results in just an integer part
sol = Fraction("16/4")
assert 16, 4 == (sol.numerator, sol.denominator)
assert "4" == sol.convert_to_string()
##improper fraction that results in an integer part with a fractional part that can be simplified
sol = Fraction("18/8")
assert 18, 8 == (sol.numerator, sol.denominator)
assert "2_1/4" == sol.convert_to_string()
##integer alone
sol = Fraction("6")
assert 6, 1 == (sol.numerator, sol.denominator)
assert "6" == sol.convert_to_string()
"""
Created on: 15-Mar-2018
Created by: Maneesh D
"""
from Fraction import Fraction
f1 = Fraction(-2, 3)
f2 = Fraction(7, 6)
print("f1 + f2:")
print(f1 + f2, "\n")
print("f1 - f2:")
print(f1 - f2, "\n")
print("f1 * f2::")
print(f1 * f2, "\n")
print("f1 / f2::")
print(f1 / f2, "\n")
print("f1 // f2::")
print(f1 // f2, "\n")
print("f1 == f2?")
print(f1 == f2, "\n")
print("f1 < f2?")
print(f1 < f2, "\n")
def setUp(self):
self.a = Fraction(2, 3)
self.b = Fraction(4, 5)
def test_gcdMethodWorks(self):
self.assertEqual(Fraction.gcd(4,8), 4)
print(canadites)
from sys import stdin
inputFile = open("votes.txt", "r")
votes = []
for line in inputFile:
vote = line.strip('\n').split(" ")
votes.append(vote)
i = 0
canadites = []
for vote in votes[0]:
canadite = [i, Fraction(0, 1), True]
i += 1
canadites.append(canadite)
ranks = []
for voter in votes:
thisRank = []
added = 0
previous = 0
while added < len(canadites):
minChoice = 100000000
for vote in voter:
if int(vote) < minChoice and int(vote) > previous:
minChoice = int(vote)
tied = []
def readFraction():
n = readInt('numerator')
d = readInt('denominator')
return Fraction(n, d)
from Fraction import Fraction fraction = Fraction(7,2) print(-fraction) #выводит -7/2 print(~fraction) #выводит 2/7 print(fraction ** 2) #выводит 49/4 print(float(fraction)) #выводит 3.5 print(int(fraction)) #выводит 3
