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adapt abstract_polynom to new init

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This commit is contained in:
Benjamin Bertrand 2016-03-09 10:56:00 +03:00
parent 19069a41f7
commit 20cae3e0a5
1 changed files with 10 additions and 9 deletions
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19
pymath/calculus/abstract_polynom.py
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@ -56,8 +56,6 @@ class AbstractPolynom(Explicable):
>>> AbstractPolynom([1, 2, 3], name = "Q").name >>> AbstractPolynom([1, 2, 3], name = "Q").name
'Q' 'Q'
""" """
super(AbstractPolynom, self).__init__()
try: try:
# Remove 0 at the end of the coefs # Remove 0 at the end of the coefs
while coefs[-1] == 0: while coefs[-1] == 0:
@ -79,6 +77,9 @@ class AbstractPolynom(Explicable):
self._isPolynom = 1 self._isPolynom = 1
pstf_tokens = self.compute_postfix_tokens()
super(AbstractPolynom, self).__init__(pstf_tokens)
def feed_coef(self, l_coef): def feed_coef(self, l_coef):
"""Feed coef of the polynom. Manage differently whether it's a number or an expression """Feed coef of the polynom. Manage differently whether it's a number or an expression
@ -166,8 +167,7 @@ class AbstractPolynom(Explicable):
return ans return ans
@property def compute_postfix_tokens(self):
def postfix_tokens(self):
"""Return the postfix form of the polynom """Return the postfix form of the polynom
:returns: the postfix list of polynom's tokens :returns: the postfix list of polynom's tokens
@ -204,10 +204,9 @@ class AbstractPolynom(Explicable):
[2, 3, +, 'x', *, 1, +] [2, 3, +, 'x', *, 1, +]
""" """
if self == 0: if not [i for i in self._coef if i!= 0]:
return [0] return [0]
# TODO: Faudrait factoriser un peu tout ça..! |dim. déc. 21 16:02:34
# CET 2014
postfix = [] postfix = []
for (i, a) in list(enumerate(self._coef))[::-1]: for (i, a) in list(enumerate(self._coef))[::-1]:
operator = [op.add] operator = [op.add]
@ -288,8 +287,10 @@ class AbstractPolynom(Explicable):
elif isPolynom(other): elif isPolynom(other):
return other return other
else: else:
raise ValueError(type(other) + raise ValueError(
" can't be converted into a polynom") type(other) +
" can't be converted into a polynom"
)
def reduce(self): def reduce(self):
"""Compute coefficients which have same degree """Compute coefficients which have same degree