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#6116

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handle also nan/oo/0+ as numerals
This commit is contained in:
Nikolaj Bjorner 2022-08-18 04:26:14 -07:00
parent 8e167aa213
commit 4be26eb543
1 changed files with 30 additions and 5 deletions
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35
src/ast/fpa/fpa2bv_converter.cpp
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@ -147,11 +147,36 @@ void fpa2bv_converter::mk_distinct(func_decl * f, unsigned num, expr * const * a
void fpa2bv_converter::mk_numeral(func_decl * f, unsigned num, expr * const * args, expr_ref & result) {
SASSERT(num == 0);
SASSERT(f->get_num_parameters() == 1);
SASSERT(f->get_parameter(0).is_external());
unsigned p_id = f->get_parameter(0).get_ext_id();
mpf const & v = m_plugin->get_value(p_id);
mk_numeral(f->get_range(), v, result);
sort* s = f->get_range();
if (f->get_num_parameters() == 1) {
SASSERT(f->get_parameter(0).is_external());
unsigned p_id = f->get_parameter(0).get_ext_id();
mpf const& v = m_plugin->get_value(p_id);
mk_numeral(s, v, result);
return;
}
scoped_mpf v(m_mpf_manager);
unsigned ebits = m_util.get_ebits(s), sbits = m_util.get_sbits(s);
switch (f->get_decl_kind()) {
case OP_FPA_PLUS_INF:
m_util.fm().mk_pinf(ebits, sbits, v);
break;
case OP_FPA_MINUS_INF:
m_util.fm().mk_ninf(ebits, sbits, v);
break;
case OP_FPA_NAN:
m_util.fm().mk_nan(ebits, sbits, v);
break;
case OP_FPA_PLUS_ZERO:
m_util.fm().mk_pzero(ebits, sbits, v);
break;
case OP_FPA_MINUS_ZERO:
m_util.fm().mk_nzero(ebits, sbits, v);
break;
default:
UNREACHABLE();
}
mk_numeral(s, v, result);
}
void fpa2bv_converter::mk_numeral(sort * s, mpf const & v, expr_ref & result) {