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Add comments for large exponent handling

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Add comments for handling large exponents in seq_model.cpp
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Nikolaj Bjorner 2026-03-14 10:28:21 -07:00 • committed by GitHub
parent ba7b0392fe
commit aa5267cb9c
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src/smt/seq/seq_model.cpp
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@ -258,6 +258,9 @@ namespace smt {
zstring result(buf.size(), buf.data()); zstring result(buf.size(), buf.data());
return expr_ref(m_seq.str.mk_string(result), m); return expr_ref(m_seq.str.mk_string(result), m);
} }
// NSB review: just return an expression of the form:
// mk_power(base_val, a.mk_int(n_val)) for large exponents
// Fallback: cap exponent to avoid divergence // Fallback: cap exponent to avoid divergence
n_val = POWER_EXPAND_LIMIT; n_val = POWER_EXPAND_LIMIT;
} }