def EffectueSommeFractions(fr1, fr2, s, pre, post):
if s == "+":
fr = fr1 + fr2
else:
fr = fr1 - fr2
cor = []
if fr1.n and fr2.n:
ppcm = Arithmetique.ppcm(fr2.d, fr1.d)
if abs(fr1.d) - abs(fr2.d):
cor.append("%s%s%s%s%s" % (pre, Fractions.TeX(fr1, True,
coef=ppcm // abs(fr1.d)), s, Fractions.TeX(fr2,
True, coef=ppcm // abs(fr2.d)), post))
if pre.rstrip().endswith('(') and post.lstrip().startswith(')'):
pre = pre.rstrip()[:len(pre.rstrip()) - 1]
post = post.lstrip()[1:]
cor.append("%s%s%s" % (pre, Fractions.TeX(fr, True), post))
if fr.n:
frs = Fractions.simplifie(fr)
if abs(frs.n) != abs(fr.n):
cor.append("%s%s%s" % (pre, Fractions.TeX(frs, True,
coef=fr.d // frs.d), post))
cor.append("%s%s%s" % (pre, Fractions.TeX(frs, True),
post))
else:
cor.append("%s%s%s" % (pre, Fractions.TeX(fr, True), post))
return cor
def __add__(self, fraction):
if (isinstance(fraction,int) or isinstance(fraction,float)):
fraction=Fractions(fraction)
if isinstance(fraction,Fractions):
ppcm = Arithmetique.ppcm(self.d, fraction.d)
return Fractions((self.n * ppcm) // self.d + (fraction.n * ppcm) //
fraction.d, ppcm)
else:
return fraction+self
