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Refactor arith_rewriter::find_nl_factor() to use std::optional (#8313)

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* Initial plan

* Refactor arith_rewriter::find_nl_factor() to use std::optional

Co-authored-by: NikolajBjorner <3085284+NikolajBjorner@users.noreply.github.com>

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Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: NikolajBjorner <3085284+NikolajBjorner@users.noreply.github.com>
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Copilot 2026-01-23 19:16:27 -08:00 • committed by GitHub
parent 1d022fa591
commit c2d996574f
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2 changed files with 8 additions and 6 deletions
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src/ast/rewriter/arith_rewriter.h
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@ -18,6 +18,7 @@ Notes:
--*/
#pragma once
#include <optional>
#include "ast/rewriter/poly_rewriter.h"
#include "ast/arith_decl_plugin.h"
#include "ast/seq_decl_plugin.h"
@ -75,7 +76,7 @@ class arith_rewriter : public poly_rewriter<arith_rewriter_core> {
br_status mk_le_ge_eq_core(expr * arg1, expr * arg2, op_kind kind, expr_ref & result);
bool is_add_factor(expr* s, expr* t);
bool is_mul_factor(expr* s, expr* t);
expr* find_nl_factor(expr* t);
std::optional<expr*> find_nl_factor(expr* t);
void get_nl_muls(expr* t, ptr_buffer<expr>& muls);
expr_ref remove_factor(expr* s, expr* t);
br_status factor_le_ge_eq(expr * arg1, expr * arg2, op_kind kind, expr_ref & result);