j'ai fait de la grosse merde!
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72
calculus.py
72
calculus.py
@ -86,12 +86,15 @@ def computePostfixBis(postfixExp):
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:returns: the result of the expression
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"""
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print(postfixExp)
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print(postfixToInfix(postfixExp))
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# where to save numbers or
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operandeStack = Stack()
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tokenList = postfixExp.split(" ")
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steps = []
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# On fait le calcul jusqu'à n'avoir plus qu'un élément
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while len(tokenList) > 1:
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tmpTokenList = []
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@ -114,10 +117,15 @@ def computePostfixBis(postfixExp):
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del tokenList[0]
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tmpTokenList += tokenList
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tokenList = expand_list(tmpTokenList)
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print(postfixToInfix(" ".join(tokenList)))
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steps += expand_list(tmpTokenList)
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#print("----- Steps -----")
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#print(steps)
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return tokenList[0]
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tokenList = steps[-1]
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#print(postfixToInfix(tokenList))
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return steps
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def isNumber(exp):
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"""Check if the expression can be a number
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@ -126,11 +134,16 @@ def isNumber(exp):
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:returns: True if the expression can be a number and false otherwise
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"""
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tokenList = exp.split(" ")
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if len(tokenList) != 1:
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# si l'expression est trop longue pour être un chiffre
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return 0
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return exp.isdigit() or (exp[0] == "-" and exp[1:].isdigit())
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return type(exp) == int or type(exp) == "Fraction"
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def isOperation(exp):
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"""Check if the expression is an opération in "+-*/"
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:param exp: an expression
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:returns: boolean
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"""
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return (type(exp) == str and exp in "+-*/")
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def doMath(op, op1, op2):
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@ -183,12 +196,14 @@ def needPar(operande, operator, posi = "after"):
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"""
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priority = {"*" : 3, "/": 3, "+": 2, "-":2}
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if isNumber(operande) and "-" in operande:
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if type(operande)==int and operande < 0:
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return 1
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elif not isNumber(operande):
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# Si c'est une grande expression ou un chiffre négatif
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stand_alone = get_main_op(operande)
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# Si la priorité de l'operande est plus faible que celle de l'opérateur
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debug_var("stand_alone",stand_alone)
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debug_var("operande", type(operande))
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minor_priority = priority[get_main_op(operande)] < priority[operator]
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# Si l'opérateur est -/ pour after ou juste / pour before
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special = (operator in "-/" and posi == "after") or (operator in "/" and posi == "before")
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@ -238,7 +253,7 @@ def expand_list(list_list):
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>>> expand_list([1,2,[3,4],5,[6,7,8]])
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[[1, 2, 3, 5, 6], [1, 2, 4, 5, 7], [1, 2, 4, 5, 8]]
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>>> expand_list([1,2,4,5,6,7,8])
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[1, 2, 4, 5, 6, 7, 8]
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[[1, 2, 4, 5, 6, 7, 8]]
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"""
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list_in_list = [i for i in list_list if type(i) == list].copy()
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@ -253,10 +268,21 @@ def expand_list(list_list):
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ans[i][j] = e[min(i,len(e)-1)]
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# S'il n'y a pas eut d'étapes intermédiaires (2e exemple)
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except ValueError:
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ans = list_list
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ans = [list_list]
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return ans
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def print_steps(steps):
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"""Juste print a list
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:param steps: @todo
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:returns: @todo
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"""
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print("{first} \t = {sec}".format(first = steps[-1], sec = steps[-2]))
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for i in steps[-2:0:-1]:
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print("\t\t = ",i)
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def debug_var(name, var):
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"""print the name of the variable and the value
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@ -277,14 +303,15 @@ def test(exp):
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#print("Postfix " , postfix)
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#print(computePostfix(postfix))
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#print("Bis")
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print(computePostfixBis(postfix))
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steps = computePostfixBis(postfix)
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print_steps(steps)
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#print(postfixToInfix(postfix))
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#print(get_main_op(exp))
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if __name__ == '__main__':
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#exp = "1 + 3 * 5"
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#test(exp)
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exp = "1 + 3 * 5"
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test(exp)
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#exp = "2 * 3 * 3 * 5"
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#test(exp)
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@ -304,16 +331,25 @@ if __name__ == '__main__':
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#exp = "2 * ( 2 - ( 3 + 4 ) ) + 5 * ( 3 - 4 )"
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#test(exp)
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#
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exp = "2 + 5 * ( 3 - 4 )"
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#exp = "2 + 5 * ( 3 - 4 )"
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#test(exp)
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#
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#exp = "( 2 + 5 ) * ( 3 - 4 )"
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#test(exp)
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#
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#exp = "( 2 + 5 ) * ( 3 * 4 )"
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#test(exp)
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exp = "( 2 + 5 - 1 ) / ( 3 * 4 )"
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test(exp)
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exp = "( 2 + 5 ) * ( 3 - 4 )"
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exp = "( 2 + 5 ) / ( 3 * 4 ) + 1 / 12"
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test(exp)
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exp = "( 2 + 5 ) * ( 3 * 4 )"
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exp = "( 2 + 5 ) / ( 3 * 4 ) + 1 / 2"
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test(exp)
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exp = "( 2 + 5 ) / ( 3 * 4 )"
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exp = "( 2 + 5 ) / ( 3 * 4 ) + 1 / 12 + 5 * 5"
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test(exp)
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#print(expand_list([1,2,['a','b','c'], 3, ['d','e']]))
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13
fraction.py
13
fraction.py
@ -22,23 +22,25 @@ class Fraction(object):
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:returns: steps to simplify the fraction or the fraction if there is nothing to do
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"""
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steps = [str(self)]
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steps = [self]
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if self._denom < 0:
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self._num = - self._num
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self._denom = - self._denom
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steps += [str(self)]
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steps += [self]
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gcd_ = gcd(abs(self._num), abs(self._denom))
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if self._num == self._denom:
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self._num = 1
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self._denom = 1
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steps += [str(self)]
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steps += [self]
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elif gcd_ != 1:
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self._num, self._denom = self._num // gcd_ , self._denom // gcd_
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steps += ["( {reste1} * {gcd} ) / ( {reste2} * {gcd} )".format(reste1 = self._num, reste2 = self._denom, gcd = gcd_)]
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steps += [str(self)]
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# Certainement le truc le plus moche que j'ai jamais fait... On ne met que des strings dans steps puis au dernier moment on met une fraction. C'est moche de ma part
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steps += [self]
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return steps
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@ -48,6 +50,9 @@ class Fraction(object):
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else:
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return str(self._num) + " / " + str(self._denom)
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#def __repr__(self):
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# return self.__str__()
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def __add__(self, other):
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if type(other) == Fraction:
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#cool
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