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add rc2 sample

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2018-11-20 14:32:01 -08:00
parent 7016d94d59
commit 37ef3cbeb2
2 changed files with 91 additions and 1 deletions
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8
src/api/python/z3/z3.py
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@ -1645,6 +1645,12 @@ def Not(a, ctx=None):
a = s.cast(a)
return BoolRef(Z3_mk_not(ctx.ref(), a.as_ast()), ctx)
def mk_not(a):
if is_not(a):
return a.arg(0)
else:
return Not(a)
def _has_probe(args):
"""Return `True` if one of the elements of the given collection is a Z3 probe."""
for arg in args:
@ -2800,7 +2806,7 @@ class RatNumRef(ArithRef):
return self.denominator().is_int() and self.denominator_as_long() == 1
def as_long(self):
_z3_assert(self.is_int(), "Expected integer fraction")
_z3_assert(self.is_int_value(), "Expected integer fraction")
return self.numerator_as_long()
def as_decimal(self, prec):