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int<->real coercions.

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Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
This commit is contained in:
Leonardo de Moura 2012-10-12 16:34:54 -07:00
parent c48bd1e8de
commit 75457e1393
9 changed files with 184 additions and 21 deletions
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12
lib/ast.h
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@ -1282,6 +1282,8 @@ enum proof_gen_mode {
//
// -----------------------------------
class arith_decl_plugin;
class ast_manager {
protected:
protected:
@ -1331,11 +1333,13 @@ protected:
expr_dependency_array_manager m_expr_dependency_array_manager;
ptr_vector<decl_plugin> m_plugins;
proof_gen_mode m_proof_mode;
bool m_int_real_coercions; // If true, use hack that automatically introduces to_int/to_real when needed.
family_id m_basic_family_id;
family_id m_label_family_id;
family_id m_pattern_family_id;
family_id m_model_value_family_id;
family_id m_user_sort_family_id;
family_id m_arith_family_id;
ast_table m_ast_table;
id_gen m_expr_id_gen;
id_gen m_decl_id_gen;
@ -1355,11 +1359,19 @@ protected:
void init();
bool coercion_needed(func_decl * decl, unsigned num_args, expr * const * args);
public:
ast_manager(proof_gen_mode = PGM_DISABLED, std::ostream * trace_stream = NULL, bool is_format_manager = false);
ast_manager(ast_manager const & src, bool disable_proofs = false);
~ast_manager();
void enable_int_real_coercions(bool f) { m_int_real_coercions = f; }
bool int_real_coercions() const { return m_int_real_coercions; }
// Return true if s1 and s2 are equal, or coercions are enabled, and s1 and s2 are compatible.
bool compatible_sorts(sort * s1, sort * s2) const;
// For debugging purposes
void display_free_ids(std::ostream & out) { m_expr_id_gen.display_free_ids(out); out << "\n"; m_decl_id_gen.display_free_ids(out); }