def __str__(self):
if self._prefac == 1.0:
return self._string
if self.is_zero():
return "0.0"
if self._prefac == -1.0:
# string can potentially be a sum, insert parantheses
return "-(" + self._string + ")"
return c_string_from_num(self._prefac) + " * (" + self._string + ")"
def __str__(self):
if self._prefac == 1.0:
return self._string
if self.is_zero():
return "0.0"
if self._prefac == -1.0:
# string can potentially be a sum, insert parantheses
return "-(" + self._string + ")"
return c_string_from_num(self._prefac) + " * (" + self._string + ")"
def __add__(self, other):
if isinstance(other, c_variable):
# avoid explicit additions of zeros
if other.is_zero():
return c_variable(self._string, self._prefac)
if self.is_zero():
return c_variable(other._string, other._prefac)
# make use of associativity if both have same prefac
if (self._prefac == other._prefac):
string = self._string + " + " + other._string
return c_variable(string, self._prefac)
# make use of associativity if both have same prefac
if (self._prefac == -other._prefac):
string = self._string + " - (" + other._string + ")"
return c_variable(string, self._prefac)
string = self.__str__() + " + " + other.__str__()
return c_variable(string, 1.0)
else:
if other == 0:
return c_variable(self._string, self._prefac)
string = self.__str__() + " + " + c_string_from_num(other)
return c_variable(string, 1.0)
def __add__(self, other):
if isinstance(other, c_variable):
# avoid explicit additions of zeros
if other.is_zero():
return c_variable(self._string, self._prefac)
if self.is_zero():
return c_variable(other._string, other._prefac)
# make use of associativity if both have same prefac
if self._prefac == other._prefac:
string = self._string + " + " + other._string
return c_variable(string, self._prefac)
# make use of associativity if both have same prefac
if self._prefac == -other._prefac:
string = self._string + " - (" + other._string + ")"
return c_variable(string, self._prefac)
string = self.__str__() + " + " + other.__str__()
return c_variable(string, 1.0)
else:
if other == 0:
return c_variable(self._string, self._prefac)
string = self.__str__() + " + " + c_string_from_num(other)
return c_variable(string, 1.0)
