sosokker/Calculator-for-Matrix-and-Algebra
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Fix bug in to_str()

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This commit is contained in:
Sirin Puenggun 2022-12-11 21:13:48 +07:00
parent d2189d9f0e
commit 1e1aa128a4
1 changed files with 9 additions and 4 deletions
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13
nessesary/polynomial.py
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@ -134,7 +134,7 @@ class Polynomial:
# return "+".join(result) # return "+".join(result)
# else: # else:
# return "0" # return "0"
last_count = len(str(self.coeff[-1]))
result = [] result = []
i = len(self.coeff) - 1 i = len(self.coeff) - 1
while i >= 0: while i >= 0:
@ -168,8 +168,13 @@ class Polynomial:
if result[0] == "+" or result[0] == "-": if result[0] == "+" or result[0] == "-":
del result[0] del result[0]
result = "".join(result) result = "".join(result)
return result if self.coeff[-1] > 0:
return result[last_count:]
elif self.coeff[-1] < 0:
return result[last_count-1:]
else:
return result
def solve(self) -> dict: def solve(self) -> dict:
degree = len(self.coeff) - 1 degree = len(self.coeff) - 1
@ -266,7 +271,7 @@ class Polynomial:
pass pass
def __str__(self) -> str: def __str__(self) -> str:
return self.string_form return self.to_str()
# p1 = Polynomial("x^2+2x+1", fracmode=True) # p1 = Polynomial("x^2+2x+1", fracmode=True)