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Bugfix for fp.to_ieee_bv.

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Fixes #507.
This commit is contained in:
Christoph M. Wintersteiger 2016-03-11 12:35:41 +00:00
parent 9dd53c091a
commit b5279d1da8
2 changed files with 7 additions and 9 deletions
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4
src/ast/fpa_decl_plugin.cpp
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@ -671,9 +671,9 @@ func_decl * fpa_decl_plugin::mk_to_ieee_bv(decl_kind k, unsigned num_parameters,
unsigned float_sz = domain[0]->get_parameter(0).get_int() + domain[0]->get_parameter(1).get_int(); unsigned float_sz = domain[0]->get_parameter(0).get_int() + domain[0]->get_parameter(1).get_int();
parameter ps[] = { parameter(float_sz) }; parameter ps[] = { parameter(float_sz) };
sort * bv_srt = m_bv_plugin->mk_sort(m_bv_fid, 1, ps); sort * bv_srt = m_bv_plugin->mk_sort(BV_SORT, 1, ps);
symbol name("to_ieee_bv"); symbol name("to_ieee_bv");
return m_manager->mk_func_decl(name, 1, domain, bv_srt, func_decl_info(m_family_id, k, num_parameters, parameters)); return m_manager->mk_func_decl(name, 1, domain, bv_srt, func_decl_info(m_family_id, k));
} }
func_decl * fpa_decl_plugin::mk_internal_rm(decl_kind k, unsigned num_parameters, parameter const * parameters, func_decl * fpa_decl_plugin::mk_internal_rm(decl_kind k, unsigned num_parameters, parameter const * parameters,

6
src/ast/rewriter/fpa_rewriter.cpp
View file

@ -150,11 +150,9 @@ br_status fpa_rewriter::mk_to_sbv_unspecified(func_decl * f, expr_ref & result)
} }
br_status fpa_rewriter::mk_to_ieee_bv_unspecified(func_decl * f, expr_ref & result) { br_status fpa_rewriter::mk_to_ieee_bv_unspecified(func_decl * f, expr_ref & result) {
SASSERT(f->get_num_parameters() == 1);
SASSERT(f->get_parameter(0).is_int());
unsigned bv_sz = f->get_parameter(0).get_int();
bv_util bu(m()); bv_util bu(m());
unsigned bv_sz = bu.get_bv_size(f->get_range());
if (m_hi_fp_unspecified) if (m_hi_fp_unspecified)
// The "hardware interpretation" is 0. // The "hardware interpretation" is 0.
result = bu.mk_numeral(0, bv_sz); result = bu.mk_numeral(0, bv_sz);