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Add a fast-path to _coerce_exprs #7995

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Merged
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Oct 21, 2025
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Merged

Add a fast-path to _coerce_exprs #7995

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15 changes: 15 additions & 0 deletions src/api/python/z3/z3.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1245,6 +1245,18 @@ def _coerce_expr_merge(s, a):
else:
return s

def _check_same_sort(a, b, ctx=None):
if not isinstance(a, ExprRef):
return False
if not isinstance(b, ExprRef):
return False
if ctx is None:
ctx = a.ctx

a_sort = Z3_get_sort(ctx.ctx, a.ast)
b_sort = Z3_get_sort(ctx.ctx, b.ast)
return Z3_is_eq_sort(ctx.ctx, a_sort, b_sort)


def _coerce_exprs(a, b, ctx=None):
if not is_expr(a) and not is_expr(b):
Expand All @@ -1259,6 +1271,9 @@ def _coerce_exprs(a, b, ctx=None):
if isinstance(b, float) and isinstance(a, ArithRef):
b = RealVal(b, a.ctx)

if _check_same_sort(a, b, ctx):
return (a, b)

s = None
s = _coerce_expr_merge(s, a)
s = _coerce_expr_merge(s, b)
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