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merge useful utilities from qsat

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2016-03-19 12:01:44 -07:00
parent f951372f03
commit f175f864ec
32 changed files with 323 additions and 38 deletions
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12
src/api/python/z3.py
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@ -3940,7 +3940,7 @@ class ArraySortRef(SortRef):
>>> A.range()
Bool
"""
return _to_sort_ref(Z3_get_array_sort_range(self.ctx_ref(), self.ast), self.ctx)
return _to_sort_ref(Z3_get_array_sort_range(self.ctx_ref(), self.ast), self.ctx)
class ArrayRef(ExprRef):
"""Array expressions. """
@ -4162,6 +4162,16 @@ def Select(a, i):
_z3_assert(is_array(a), "First argument must be a Z3 array expression")
return a[i]
def Default(a):
""" Return a default value for array expression.
>>> b = K(IntSort(), 1)
>>> prove(Default(b) == 1)
proved
"""
if __debug__:
_z3_assert(is_array(a), "First argument must be a Z3 array expression")
return a.mk_default()
def Map(f, *args):
"""Return a Z3 map array expression.