mirrors/z3
3
0
Fork 0
mirror of https://github.com/Z3Prover/z3 synced 2025-08-19 17:50:23 +00:00
Code Activity

Add interpreted versions of unspecified cases of fp.to_ieee_bv and fp.to_real (#6077)

Browse source
This commit is contained in:
Christoph M. Wintersteiger 2022-06-04 17:53:23 +01:00 • committed by GitHub
parent d722c73d4c
commit f77608ed88
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
7 changed files with 57 additions and 20 deletions
Download patch file Download diff file Expand all files Collapse all files

10
src/ast/fpa_decl_plugin.cpp
View file

@ -784,12 +784,14 @@ func_decl * fpa_decl_plugin::mk_func_decl(decl_kind k, unsigned num_parameters,
case OP_FPA_TO_SBV_I:
return mk_to_sbv(k, num_parameters, parameters, arity, domain, range);
case OP_FPA_TO_REAL:
case OP_FPA_TO_REAL_I:
return mk_to_real(k, num_parameters, parameters, arity, domain, range);
case OP_FPA_TO_FP:
return mk_to_fp(k, num_parameters, parameters, arity, domain, range);
case OP_FPA_TO_FP_UNSIGNED:
return mk_to_fp_unsigned(k, num_parameters, parameters, arity, domain, range);
case OP_FPA_TO_IEEE_BV:
case OP_FPA_TO_IEEE_BV_I:
return mk_to_ieee_bv(k, num_parameters, parameters, arity, domain, range);
case OP_FPA_BVWRAP:
@ -857,6 +859,7 @@ void fpa_decl_plugin::get_op_names(svector<builtin_name> & op_names, symbol cons
op_names.push_back(builtin_name("fp.to_ubv_I", OP_FPA_TO_UBV_I));
op_names.push_back(builtin_name("fp.to_sbv_I", OP_FPA_TO_SBV_I));
op_names.push_back(builtin_name("fp.to_real", OP_FPA_TO_REAL));
op_names.push_back(builtin_name("fp.to_real_I", OP_FPA_TO_REAL_I));
op_names.push_back(builtin_name("to_fp", OP_FPA_TO_FP));
op_names.push_back(builtin_name("to_fp_unsigned", OP_FPA_TO_FP_UNSIGNED));
@ -864,6 +867,7 @@ void fpa_decl_plugin::get_op_names(svector<builtin_name> & op_names, symbol cons
/* Extensions */
op_names.push_back(builtin_name("to_ieee_bv", OP_FPA_TO_IEEE_BV));
op_names.push_back(builtin_name("fp.to_ieee_bv", OP_FPA_TO_IEEE_BV));
op_names.push_back(builtin_name("fp.to_ieee_bv_I", OP_FPA_TO_IEEE_BV_I));
}
void fpa_decl_plugin::get_sort_names(svector<builtin_name> & sort_names, symbol const & logic) {
@ -1074,7 +1078,8 @@ bool fpa_util::is_considered_uninterpreted(func_decl * f, unsigned n, expr* cons
if (f->get_family_id() != ffid)
return false;
if (is_decl_of(f, ffid, OP_FPA_TO_IEEE_BV)) {
if (is_decl_of(f, ffid, OP_FPA_TO_IEEE_BV) ||
is_decl_of(f, ffid, OP_FPA_TO_IEEE_BV_I)) {
SASSERT(n == 1);
expr* x = args[0];
return is_nan(x);
@ -1101,7 +1106,8 @@ bool fpa_util::is_considered_uninterpreted(func_decl * f, unsigned n, expr* cons
else
return mpqm.is_neg(r) || mpqm.bitsize(r) > bv_sz;
}
else if (is_decl_of(f, ffid, OP_FPA_TO_REAL)) {
else if (is_decl_of(f, ffid, OP_FPA_TO_REAL) ||
is_decl_of(f, ffid, OP_FPA_TO_REAL_I)) {
SASSERT(n == 1);
expr* x = args[0];
return is_nan(x) || is_inf(x);