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allow coercion from Boolean to Int/Real, fixes #78

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2015-05-07 21:36:37 -07:00
parent dc52ebd312
commit ad39811dc0
1 changed files with 7 additions and 7 deletions
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14
src/api/python/z3.py
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@ -1229,13 +1229,13 @@ class BoolSortRef(SortRef):
return val return val
def subsort(self, other): def subsort(self, other):
return isinstance(other, ArithSortRef) return isinstance(other, ArithSortRef)
def is_int(self): def is_int(self):
return True return True
def is_bool(self): def is_bool(self):
return True return True
class BoolRef(ExprRef): class BoolRef(ExprRef):
@ -1910,10 +1910,10 @@ class ArithSortRef(SortRef):
return val return val
if val_s.is_int() and self.is_real(): if val_s.is_int() and self.is_real():
return ToReal(val) return ToReal(val)
if val_s.is_bool() and self.is_int(): if val_s.is_bool() and self.is_int():
return If(val, 1, 0) return If(val, 1, 0)
if val_s.is_bool() and self.is_real(): if val_s.is_bool() and self.is_real():
return ToReal(If(val, 1, 0)) return ToReal(If(val, 1, 0))
if __debug__: if __debug__:
_z3_assert(False, "Z3 Integer/Real expression expected" ) _z3_assert(False, "Z3 Integer/Real expression expected" )
else: else: