def walk_minus(self, formula, args, **kwargs):
n_one = mathsat.msat_make_number(self.msat_env(), "-1")
n_s2 = mathsat.msat_make_times(self.msat_env(), n_one, args[1])
return mathsat.msat_make_plus(self.msat_env(), args[0], n_s2)
def walk_int_constant(self, formula, **kwargs):
assert type(formula.constant_value()) == int or \
type(formula.constant_value()) == long
rep = str(formula.constant_value())
return mathsat.msat_make_number(self.msat_env(), rep)
def walk_plus(self, formula, args, **kwargs):
res = mathsat.msat_make_number(self.msat_env(), "0")
for a in args:
res = mathsat.msat_make_plus(self.msat_env(), res, a)
return res
def walk_real_constant(self, formula, **kwargs):
assert type(formula.constant_value()) == Fraction
frac = formula.constant_value()
n,d = frac.numerator, frac.denominator
rep = str(n) + "/" + str(d)
return mathsat.msat_make_number(self.msat_env(), rep)
def walk_minus(self, formula, args, **kwargs):
n_one = mathsat.msat_make_number(self.msat_env, "-1")
n_s2 = mathsat.msat_make_times(self.msat_env, n_one, args[1])
return mathsat.msat_make_plus(self.msat_env, args[0], n_s2)
def walk_plus(self, formula, args, **kwargs):
res = mathsat.msat_make_number(self.msat_env, "0")
for a in args:
res = mathsat.msat_make_plus(self.msat_env, res, a)
return res
def walk_int_constant(self, formula, **kwargs):
assert type(formula.constant_value()) == int or \
type(formula.constant_value()) == long
rep = str(formula.constant_value())
return mathsat.msat_make_number(self.msat_env, rep)
def walk_real_constant(self, formula, **kwargs):
assert type(formula.constant_value()) == Fraction
frac = formula.constant_value()
n, d = frac.numerator, frac.denominator
rep = str(n) + "/" + str(d)
return mathsat.msat_make_number(self.msat_env, rep)
