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fpa2bv refactoring

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Signed-off-by: Christoph M. Wintersteiger <cwinter@microsoft.com>
This commit is contained in:
Christoph M. Wintersteiger 2014-12-21 18:44:12 +00:00
parent d5fef38c00
commit a1b4ef9e1b
5 changed files with 169 additions and 81 deletions
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18
src/ast/fpa/fpa2bv_converter.h
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@ -42,6 +42,7 @@ struct func_decl_triple {
};
class fpa2bv_converter {
protected:
ast_manager & m;
basic_simplifier_plugin m_simp;
float_util m_util;
@ -73,16 +74,19 @@ public:
SASSERT(m_bv_util.is_bv(sign) && m_bv_util.get_bv_size(sign) == 1);
SASSERT(m_bv_util.is_bv(significand));
SASSERT(m_bv_util.is_bv(exponent));
result = m.mk_app(m_util.get_family_id(), OP_FLOAT_TO_FP, sign, significand, exponent);
result = m.mk_app(m_util.get_family_id(), OP_FLOAT_TO_FP, sign, exponent, significand);
}
void split_triple(expr * e, expr * & sgn, expr * & sig, expr * & exp) const;
void split_triple(expr * e, expr_ref & sgn, expr_ref & sig, expr_ref & exp) const;
void mk_eq(expr * a, expr * b, expr_ref & result);
void mk_ite(expr * c, expr * t, expr * f, expr_ref & result);
void mk_rounding_mode(func_decl * f, expr_ref & result);
void mk_value(func_decl * f, unsigned num, expr * const * args, expr_ref & result);
void mk_const(func_decl * f, expr_ref & result);
void mk_rm_const(func_decl * f, expr_ref & result);
virtual void mk_const(func_decl * f, expr_ref & result);
virtual void mk_rm_const(func_decl * f, expr_ref & result);
void mk_uninterpreted_function(func_decl * f, unsigned num, expr * const * args, expr_ref & result);
void mk_var(unsigned base_inx, sort * srt, expr_ref & result);
@ -138,11 +142,11 @@ public:
obj_map<func_decl, func_decl_triple> const & uf23bvuf() const { return m_uf23bvuf; }
void dbg_decouple(const char * prefix, expr_ref & e);
expr_ref_vector extra_assertions;
expr_ref_vector m_extra_assertions;
void mk_internal_bvwrap(func_decl * f, unsigned num, expr * const * args, expr_ref & result);
void mk_internal_bvunwrap(func_decl * f, unsigned num, expr * const * args, expr_ref & result);
protected:
void split(expr * e, expr * & sgn, expr * & sig, expr * & exp) const;
void mk_is_nan(expr * e, expr_ref & result);
void mk_is_inf(expr * e, expr_ref & result);
void mk_is_pinf(expr * e, expr_ref & result);
@ -173,6 +177,8 @@ protected:
void add_core(unsigned sbits, unsigned ebits, expr_ref & rm,
expr_ref & c_sgn, expr_ref & c_sig, expr_ref & c_exp, expr_ref & d_sgn, expr_ref & d_sig, expr_ref & d_exp,
expr_ref & res_sgn, expr_ref & res_sig, expr_ref & res_exp);
app * mk_fresh_const(char const * prefix, unsigned sz);
};
#endif