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mod all ini_step in Polynom. It solve bug with eval poly

This commit is contained in:
Lafrite 2015-02-28 23:11:04 +01:00
parent cba821660a
commit 316b8bf52b
1 changed files with 4 additions and 4 deletions
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8
pymath/polynom.py
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@ -434,7 +434,7 @@ class Polynom(Explicable):
n_coef = spe_zip(self._coef, o_poly._coef)
p = Polynom(n_coef, letter = self._letter)
ini_step = [Expression(self.postfix_tokens) + Expression(o_poly.postfix_tokens)]
ini_step = [Expression(self.postfix_tokens + o_poly.postfix_tokens + [op.add])]
ans = p.simplify()
ans.steps = ini_step + ans.steps
return ans
@ -453,7 +453,7 @@ class Polynom(Explicable):
>>> Q.steps
[< <class 'pymath.expression.Expression'> [3, 'x', 2, '^', '*', 2, 'x', '*', '+', 1, '+', '-'] >]
"""
ini_step = [- Expression(self.postfix_tokens)]
ini_step = [Expression(self.postfix_tokens + [op.sub1])]
ans = Polynom([-i for i in self._coef], letter = self._letter).simplify()
ans.steps = ini_step + ans.steps
return ans
@ -470,7 +470,7 @@ class Polynom(Explicable):
[< <class 'pymath.expression.Expression'> [3, 'x', 2, '^', '*', 2, 'x', '*', '+', 1, '+', 6, 'x', 2, '^', '*', 5, 'x', '*', '+', 4, '+', '-'] >, < <class 'pymath.expression.Expression'> [3, 'x', 2, '^', '*', 2, 'x', '*', '+', 1, '+', 6, 'x', 2, '^', '*', '-', 5, 'x', '*', '-', 4, '-', '+'] >, < Polynom [< <class 'pymath.expression.Expression'> [1, -4, '+'] >, < <class 'pymath.expression.Expression'> [2, -5, '+'] >, < <class 'pymath.expression.Expression'> [3, -6, '+'] >]>, < Polynom [< <class 'pymath.expression.Expression'> [1, -4, '+'] >, < <class 'pymath.expression.Expression'> [2, -5, '+'] >, < <class 'pymath.expression.Expression'> [3, -6, '+'] >]>]
"""
o_poly = self.conv2poly(other)
ini_step = [Expression(self.postfix_tokens) - Expression(o_poly.postfix_tokens)]
ini_step = [Expression(self.postfix_tokens + o_poly.postfix_tokens + [op.sub])]
o_poly = -o_poly
#ini_step += o_poly.steps
@ -566,7 +566,7 @@ class Polynom(Explicable):
if not type(power):
raise ValueError("Can't raise Polynom to {} power".format(str(power)))
ini_step = [Expression(self.postfix_tokens) ^ power]
ini_step = [Expression(self.postfix_tokens + [power, op.pw])]
if self.is_monom():
if self._coef[self.degree] == 1: