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debug fraction hope it's last bug...

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lafrite 2014-11-14 17:00:26 +01:00
parent c30fd89282
commit 057cbaeab7
2 changed files with 15 additions and 2 deletions
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3
pymath/fraction.py
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@ -169,7 +169,8 @@ class Fraction(object):
return number - self return number - self
def __neg__(self): def __neg__(self):
return Fraction(-self._num,self._denom).simplify() f = Fraction(-self._num, self._denom)
return [f] + f.simplify()
def __mul__(self, other): def __mul__(self, other):
steps = [] steps = []

14
test/test_fraction.py
View File

@ -61,7 +61,19 @@ class TestFraction(unittest.TestCase):
self.assertEqual(res, ans[i][j]) self.assertEqual(res, ans[i][j])
def test_neg(self): def test_neg(self):
pass ans = [ Fraction(-1,3), \
Fraction(-2,3), \
Fraction(-4,5), \
Fraction(1, 3), \
Fraction(1,3), \
-1
]
for (j, f) in enumerate(self.listAgainst):
res = -f
if type(res) == list:
self.assertEqual(res[-1], ans[j])
else:
self.assertEqual(res, ans[j])
def test_mul(self): def test_mul(self):
ans = [[Fraction(1, 9), Fraction(2,9), Fraction(4, 15), Fraction(-1,9), Fraction(-1,9), Fraction(1,3)], \ ans = [[Fraction(1, 9), Fraction(2,9), Fraction(4, 15), Fraction(-1,9), Fraction(-1,9), Fraction(1,3)], \