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Add missing case in flatten #448

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Jan 31, 2024
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Add missing case in flatten #448

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7 changes: 6 additions & 1 deletion cpmpy/transformations/flatten_model.py
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Original file line number Diff line number Diff line change
Expand Up @@ -245,7 +245,12 @@ def flatten_constraint(expr):
# Reification (double implication): Boolexpr == Var
# normalize the lhs (does not have to be a var, hence we call normalize instead of get_or_make_var
if exprname == '==' and lexpr.is_bool():
(lhs, lcons) = normalized_boolexpr(lexpr)
if rvar.is_bool():
# this is a reification
(lhs, lcons) = normalized_boolexpr(lexpr)
else:
# integer comparison
(lhs, lcons) = get_or_make_var(lexpr)
else:
(lhs, lcons) = normalized_numexpr(lexpr)

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