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Fixing the issue #6 #15

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Fixing the issue #6 #15

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54 changes: 25 additions & 29 deletions ajpastor/lazy/lazyRing.py
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Expand Up @@ -64,17 +64,15 @@ def __init__(self, parent, el):

IntegralDomainElement.__init__(self, parent)

try:
#if(el in parent.poly_ring()):
self.__poly = parent.poly_ring()(str(el))
except:
#elif(el in parent.poly_field()):
try:
self.__poly = parent.poly_field()(str(el))
except:
#else:
self.__raw = parent.base()(el)
self.__poly = self.parent().to_poly(self.__raw)
if(el in parent.poly_ring()):
self.__poly = parent.poly_ring()(el)
elif(el in parent.poly_field()):
self.__poly = parent.poly_field()(el)
elif(el in parent.base()):
self.__raw = parent.base()(el)
self.__poly = self.parent().to_poly(self.__raw)
else:
self.__poly = parent.poly_field()(str(el))

self.simplify()

Expand Down Expand Up @@ -526,26 +524,24 @@ def _element_constructor_(self, *args, **kwds):
i = 1
X = args[i]

try:
if(not isinstance(X, _LazyElement)):
## If the element is not a LazyElement, then we try to create a new element with it
return _LazyElement(self, X)
elif (X.parent() is self):
return X
else:
## Otherwise, X.parent() may have different variables
other = X.parent()
pol = X.poly()

if(not isinstance(X, _LazyElement)):
## If the element is not a LazyElement, then we try to create a new element with it
return _LazyElement(self, X)
elif (X.parent() is self):
return X
else:
## Otherwise, X.parent() may have different variables
other = X.parent()
pol = X.poly()

## For each variable in X.poly(), we get the new polynomial
translate = {}
for var in X.variables():
translate[str(var)] = self.to_poly(other.map_of_vars()[str(var)])
## For each variable in X.poly(), we get the new polynomial
translate = {}
for var in X.variables():
translate[str(var)] = self.to_poly(other.map_of_vars()[str(var)])

## We now plugin the expressions
return _LazyElement(self, pol(**translate))
except TypeError:
raise TypeError("This element can not be casted to %s" %repr(self))
## We now plugin the expressions
return _LazyElement(self, pol(**translate))

def construction(self):
return (LazyRingFunctor(), self.base())
Expand Down