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fix regression for z3num

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2017-01-25 13:26:58 -08:00
parent 4ec4abd7e3
commit 60783e5696
1 changed files with 7 additions and 1 deletions
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8
src/api/python/z3/z3.py
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@ -2394,7 +2394,7 @@ def is_int_value(a):
>>> is_int_value(RealVal(1))
False
"""
return isinstance(a, IntNumRef)
return is_arith(a) and a.is_int() and _is_numeral(a.ctx, a.as_ast())
def is_rational_value(a):
"""Return `True` if `a` is rational value of sort Real.
@ -2662,6 +2662,12 @@ class RatNumRef(ArithRef):
return self.denominator().as_long()
def is_int(self):
return False
def is_real(self):
return True
def is_int_value(self):
return self.denominator().is_int() and self.denominator_as_long() == 1
def as_long(self):