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| static bool | sound_mode () |
| static bool | watchdog_enabled () |
| static long long | scan_budget () |
| static void | require_tolerant (const char *what) |
| static std::string | lower (std::string s) |
| static bool | is_floating (const typet &t) |
| static typet | common_float_type (const typet &a, const typet &b) |
| static bool | is_real_literal_tree (const exprt &e) |
| static void | narrow_real_literals (exprt &e, const typet &type) |
| static void | narrow_to_context (exprt &e, const typet &context) |
| static irep_idt | arith_id (const irep_idt &op, bool real) |
| static bool | is_integer (const typet &t) |
| static bool | retype_literal (exprt &lit, const exprt &other) |
| static exprt | assigned_value (exprt rhs, const symbol_exprt &lhs) |
| static void | unify_integers (exprt &a, exprt &b) |
| static exprt | make_binary_arith (const irep_idt &op, exprt lhs, exprt rhs) |
| static const exprt & | boolean_operand (const exprt &e, const char *op) |
| static void | promote_numeric (exprt &a, exprt &b) |