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add saner Shannon decomposition

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2014-08-24 14:21:15 -07:00
parent aa695f6a6c
commit 16bffab8fd
3 changed files with 185 additions and 15 deletions
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2
src/tactic/arith/card2bv_tactic.h
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@ -37,6 +37,8 @@ namespace pb {
unsigned get_num_bits(func_decl* f);
br_status mk_bv(func_decl * f, unsigned sz, expr * const* args, expr_ref & result);
br_status mk_shannon(func_decl * f, unsigned sz, expr * const* args, expr_ref & result);
expr* negate(expr* e);
expr* mk_ite(expr* c, expr* hi, expr* lo);
public:
card2bv_rewriter(ast_manager& m);
br_status mk_app_core(func_decl * f, unsigned sz, expr * const* args, expr_ref & result);